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£389.00
in In stock (2)
SKU: HA5_27R
ASTRODON
Astrodon Narrowband Filters - H-alpha 5nm - 1.25" Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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£389.00
in In stock (2)
SKU: OIII5_27R
ASTRODON
Astrodon Narrowband Filters - OIII 5nm - 1.25" Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£389.00
in In stock (2)
SKU: SII5_27R
ASTRODON
Astrodon Narrowband Filters - SII 5nm - 1.25" Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£391.00
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SKU: HA5_31R
ASTRODON
Astrodon Narrowband Filters - H-alpha 5nm - 31mm Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£391.00
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SKU: OIII5_31R
ASTRODON
Astrodon Narrowband Filters - OIII 5nm - 31mm Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£391.00
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SKU: SII5_31R
ASTRODON
Astrodon Narrowband Filters - SII 5nm - 31mm Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£528.00
in In stock (2)
SKU: HA5_36R
ASTRODON
Astrodon Narrowband Filters - H-alpha 5nm - 36mm Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£528.00
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SKU: OIII5_36R
ASTRODON
Astrodon Narrowband Filters - OIII 5nm - 36mm Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£528.00
in In stock (2)
SKU: SII5_36R
ASTRODON
Astrodon Narrowband Filters - SII 5nm - 36mm Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£895.00
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SKU: HA5_50R
ASTRODON
Astrodon Narrowband Filters - H-alpha 5nm - 50mm Round Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£895.00
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SKU: OIII5_50R
ASTRODON
Astrodon Narrowband Filters - OIII 5nm - 50mm Round Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£895.00
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SKU: SII5_50R
ASTRODON
Astrodon Narrowband Filters - SII 5nm - 50mm Round Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£1030.00
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SKU: HA5_50S
ASTRODON
Astrodon Narrowband Filters - H-alpha 5nm - 50mm Square Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£1030.00
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SKU: OIII5_50S
ASTRODON
Astrodon Narrowband Filters - OIII 5nm - 50mm Square Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£1030.00
out Ask about stock
SKU: SII5_50S
ASTRODON
Astrodon Narrowband Filters - SII 5nm - 50mm Square Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£579.00
in In stock (2)
SKU: HA3_27R
ASTRODON
Astrodon Narrowband Filters - H-alpha 3nm - 1.25" Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£579.00
in In stock (2)
SKU: OIII3_27R
ASTRODON
Astrodon Narrowband Filters - OIII 3nm - 1.25" Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£579.00
out Ask about stock
SKU: SII3_27R
ASTRODON
Astrodon Narrowband Filters - SII 3nm - 1.25" Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£586.00
out Ask about stock
SKU: HA3_31R
ASTRODON
Astrodon Narrowband Filters - H-alpha 3nm - 31mm Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£586.00
out Ask about stock
SKU: OIII3_31R
ASTRODON
Astrodon Narrowband Filters - OIII 3nm - 31mm Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£586.00
out Ask about stock
SKU: SII3_31R
ASTRODON
Astrodon Narrowband Filters - SII 3nm - 31mm Mounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£760.00
in In stock (2)
SKU: HA3_36R
ASTRODON
Astrodon Narrowband Filters - H-alpha 3nm - 36mm Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£764.00
in In stock (2)
SKU: OIII3_36R
ASTRODON
Astrodon Narrowband Filters - OIII 3nm - 36mm Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£760.00
out Ask about stock
SKU: SII3_36R
ASTRODON
Astrodon Narrowband Filters - SII 3nm - 36mm Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£1149.00
out Ask about stock
SKU: HA3_50R
ASTRODON
Astrodon Narrowband Filters - H-alpha 3nm - 50mm Round Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£1149.00
out Ask about stock
SKU: OIII3_50R
ASTRODON
Astrodon Narrowband Filters - OIII 3nm - 50mm Round Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

Product Details »

Qty
£1149.00
out Ask about stock
SKU: SII3_50R
ASTRODON
Astrodon Narrowband Filters - SII 3nm - 50mm Round Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£1496.00
out Ask about stock
SKU: HA3_50S
ASTRODON
Astrodon Narrowband Filters - H-alpha 3nm - 50mm Square Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£1496.00
out Ask about stock
SKU: OIII3_50S
ASTRODON
Astrodon Narrowband Filters - OIII 3nm - 50mm Square Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

Product Details »

Qty
£1496.00
out Ask about stock
SKU: SII3_50S
ASTRODON
Astrodon Narrowband Filters - SII 3nm - 50mm Square Unmounted
 
(0 reviews)  
Bring Out The Faint Structures In Nebulae. Astrodon Narrowband filters set a new bar of performance and durability for imaging and research. We offer 5 nm and ultra-narrow 3 nm bandwidths.

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Qty
£775.00
out Ask about stock
SKU: CHROMA_Ha3_2INCH
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 2" Filter
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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Qty
£750.00
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SKU: CHROMA_Ha3_50ROUND
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Round Unmounted
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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Qty
£760.00
out Ask about stock
SKU: CHROMA_Ha3_50SQUARE
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Square Unmounted
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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Qty
£775.00
out Ask about stock
SKU: CHROMA_OIII3_2INCH
Chroma
Chroma Narrowband Filter - OIII 3nm - 2"
 
(0 reviews)  
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae. Doublet emission occurs at 495.9 and 500.7 nm.

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Qty
£750.00
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SKU: CHROMA_OIII3_50ROUND
Chroma
Chroma Narrowband Filter - OIII 3nm - 50mm Round Unmounted
 
(0 reviews)  
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae. Doublet emission occurs at 495.9 and 500.7 nm.

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Qty
£760.00
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SKU: CHROMA_OIII3_50SQUARE
Chroma
Chroma Narrowband Filter - OIII 3nm - 50mm Square Unmounted
 
(0 reviews)  
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae. Doublet emission occurs at 495.9 and 500.7 nm.

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Qty
£775.00
out Ask about stock
SKU: CHROMA_SII3_2INCH
Chroma
Chroma Narrowband Filter - SII 3nm - 2"
 
(0 reviews)  
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.

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Qty
£750.00
out Ask about stock
SKU: CHROMA_SII3_50ROUND
Chroma
Chroma Narrowband Filter - SII 3nm - 50mm Round Unmounted
 
(0 reviews)  
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.

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Qty
£760.00
out Ask about stock
SKU: CHROMA_SII3_50SQUARE
Chroma
Chroma Narrowband Filter - SII 3nm - 50mm Square Unmounted
 
(0 reviews)  
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.

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Qty
Save 3%
RRP: £609.00 £589.00
low Low stock (1)
SKU: LRGB2_E27R
ASTRODON
Astrodon LRGB Gen2 E-Series Tru-Balance Filters (set of 4) - 1.25" Mounted
 
(0 reviews)  
SIMPLIFY YOUR IMAGING! The E-Series Gen2 filters were designed for cameras containing the full-frame KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors.

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Qty
£614.00
out Ask about stock
SKU: LRGB2_E31R
ASTRODON
Astrodon LRGB Gen2 E-Series Tru-Balance Filters (set of 4) - in 31mm Rings
 
(0 reviews)  
SIMPLIFY YOUR IMAGING! The E-Series Gen2 filters were designed for cameras containing the full-frame KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors.

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Qty
£798.00
in In stock (2)
SKU: LRGB2_E36R
ASTRODON
Astrodon LRGB Gen2 E-Series Tru-Balance Filters (set of 4) - 36mm
 
(0 reviews)  
SIMPLIFY YOUR IMAGING! The E-Series Gen2 filters were designed for cameras containing the full-frame KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors.

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Qty
£1239.00
out Ask about stock
SKU: LRGB2_E50R
ASTRODON
Astrodon LRGB Gen2 E-Series Tru-Balance Filters (set of 4) - 50mm Diameter Unmounted
 
(0 reviews)  
SIMPLIFY YOUR IMAGING! The E-Series Gen2 filters were designed for cameras containing the full-frame KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors.

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Qty
£1468.00
out Ask about stock
SKU: LRGB2_E50S
ASTRODON
Astrodon LRGB Gen2 E-Series Tru-Balance Filters (set of 4) - 50mm Square Unmounted
 
(0 reviews)  
SIMPLIFY YOUR IMAGING! The E-Series Gen2 filters were designed for cameras containing the full-frame KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors.

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Qty
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RRP: £139.00 £97.00
in In stock (2)
SKU: Z258-Ha7nmD31
ZWOptical
ZWO 31mm H-alpha 7nm Narrowband Filter - UNMOUNTED - BLACK FRIDAY
 
(0 reviews)  
PROMOTION! 20% OFF UNTIL CURRENT STOCKS LAST!  Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula,...

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Qty
Save 30%
RRP: £156.00 £109.00
in In stock (2)
SKU: Z259-Ha7nmD36
ZWOptical
ZWO 36mm H-alpha 7nm Narrowband Filter - UNMOUNTED - BLACK FRIDAY
 
(0 reviews)  
PROMOTION! 20% OFF UNTIL CURRENT STOCKS LAST!  Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula,...

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Qty
£126.00
in In stock (2)
SKU: Z257-Ha7nm1.25MkII
ZWOptical
ZWO 1.25" H-alpha 7nm Narrowband Filter - Mark II
 
(0 reviews)  
Narrowband filters are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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Qty
£126.00
in In stock (2)
SKU: Z260-OIII7nm1.25MkII
ZWOptical
ZWO 1.25" OIII 7nm Narrowband Filter - Mark II
 
(0 reviews)  
The ZWO OIII 7nm narrowband filter is designed for nebula observation allowing 7nm bandwidth of light centered on a wavelength of 500nm, which corresponds to OIII emission lines, blocking out all other light.  Adding the...

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Qty
£126.00
in In stock (2)
SKU: Z263-SII7nm1.25MkII
ZWOptical
ZWO 1.25" SII 7nm Narrowband Filter - Mark II
 
(0 reviews)  
The ZWO SII 7nm narrowband filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation and imaging. It is suitable for visual observation on most emission nebulae, planetary...

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Qty
£145.00
in In stock (2)
SKU: Z258-Ha7nmD31MkII
ZWOptical
ZWO 31mm H-alpha 7nm Narrowband Filter - UNMOUNTED - Mark II
 
(0 reviews)  
Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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Qty
£145.00
in In stock (2)
SKU: Z261-OIII7nmD31MkII
ZWOptical
ZWO 31mm OIII 7nm Narrowband Filter - UNMOUNTED - Mark II
 
(0 reviews)  
The ZWO OIII 7nm narrowband filter is designed for nebula observation allowing 7nm bandwidth of light centered on a wavelength of 500nm, which corresponds to OIII emission lines, blocking out all other light. Adding the ZWO...

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Qty
£145.00
in In stock (2)
SKU: Z264-SII7nmD31MkII
ZWOptical
ZWO 31mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II
 
(0 reviews)  
The ZWO SII 7nm narrowband filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation and imaging. It is suitable for visual observation on most emission nebulae, planetary...

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Qty
£163.00
in In stock (2)
SKU: Z259-Ha7nmD36MkII
ZWOptical
ZWO 36mm H-alpha 7nm Narrowband Filter - UNMOUNTED - Mark II
 
(0 reviews)  
Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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Qty
£163.00
in In stock (2)
SKU: Z262-OIII7nmD36MkII
ZWOptical
ZWO 36mm OIII 7nm Narrowband Filter - UNMOUNTED - Mark II
 
(0 reviews)  
The ZWO OIII 7nm narrowband filter is designed for nebula observation allowing 7nm bandwidth of light centered on a wavelength of 500nm, which corresponds to OIII emission lines, blocking out all other light. Adding the ZWO...

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Qty
£163.00
in In stock (2)
SKU: Z265-SII7nmD36MkII
ZWOptical
ZWO 36mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II
 
(0 reviews)  
The ZWO SII 7nm narrowband filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation and imaging. It is suitable for visual observation on most emission nebulae, planetary...

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Qty
£359.00
in In stock (2)
SKU: Z254-NB7nm1.25MkII
ZWOptical
ZWO 1.25" H-alpha, SII, OIII 7nm Narrowband Filter Set - Mark II
 
(0 reviews)  
Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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Qty
£414.00
in In stock (2)
SKU: Z255-NB7nmD31MkII
ZWOptical
ZWO 31mm H-alpha, SII, OIII 7nm Narrowband Filter Set - UNMOUNTED - Mark II
 
(0 reviews)  
Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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Qty
£466.00
in In stock (2)
SKU: Z256-NB7nmD36MkII
ZWOptical
ZWO 36mm H-alpha SII OIII 7nm Narrowband Filter Set - UNMOUNTED - Mark II
 
(0 reviews)  
Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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Qty
£1258.00
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SKU: 365BVRI50x50
365ASTRONOMY
BVRI Photometric Filter Set for Scientific Research 50x50mm
 
(0 reviews)  
BVRI Photometric Filter Set for Scientific Research 50x50mm

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Qty
Save 7%
RRP: £44.99 £42.00
low Low stock (1)
SKU: 20209
Optical Vision
Clear Sky CLS Filter (1.25") by OVL
 
(0 reviews)  
This filter is similar to other brands' CLS or UHC filters, it blocks night glow and airglow, sodium and mercury emissions (but not UV or IV). This versatile broadband filter is suitable for all objects, whether you are...

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Qty
Save 7%
RRP: £44.99 £42.00
low Low stock (1)
SKU: 20211
Optical Vision
Deep Sky Filter (1.25") by OVL
 
(0 reviews)  
This filter blocks low and high pressure mercury and sodium vapour lamplight and neon light whilst letting the rest of the visible spectrum through. Excellent for viewing all deep sky objects under the urban...

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Qty
Save 5%
RRP: £54.99 £52.00
low Low stock (1)
SKU: 20210
Optical Vision
Hydrogen-Alpha H-Alpha12nm CCD Filter (1.25") by OVL
 
(0 reviews)  
This long-pass filter limits transmission of light with wavelengths longer than 650nm. Whilst suppressing all other polluting lights, the filter allows you to observe emission nebulae with greatly enhanced contrast....

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Qty
Save 19%
RRP: £92.20 £75.00
in In stock (2)
SKU: OPT-H-ALPHA-12NM-1.25
OPTOLONG
Optolong H-Alpha 12nm Narrowband Deepsky Filter 1.25"
 
(0 reviews)  
SUMMER PROMOTION! LIMITED STOCK! This premium Optolong Narrowband H-Alpha filter is a popular filter designed for nebula observation or CCD/dSLR imaging at 12nm bandwidth of light centered on a wavelength of 656nm, which...

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Qty
Save 20%
RRP: £148.00 £119.00
in In stock (2)
SKU: OPT-H-ALPHA-7NM-1.25
OPTOLONG
Optolong H-Alpha 7nm Narrowband Deepsky Filter 1.25"
 
(0 reviews)  
PROMOTION! LIMITED STOCK! This premium Optolong Narrowband H-Alpha filter is designed for nebula observation or CCD/dSLR imaging at 7nm bandwidth of light centered on a wavelength of 656nm, which corresponds to H-alpha...

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Qty
Save 23%
RRP: £219.00 £169.00
in In stock (12)
SKU: OPT-H-ALPHA-7NM-2
OPTOLONG
Optolong H-Alpha 7nm Narrowband Deepsky Filter 2"
 
(0 reviews)  
SPECIAL PROMOTION UNTIL STOCKS LAST! This premium Optolong Narrowband H-Alpha filter is designed for nebula observation or CCD/dSLR imaging at 7nm bandwidth of light centered on a wavelength of 656nm, which...

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Qty
Save 12%
RRP: £169.00 £149.00
in In stock (2)
SKU: OPT-H-ALPHA-7NM-36MM
OPTOLONG
Optolong H-Alpha 7nm Narrowband Deepsky Filter 36mm Unmounted
 
(0 reviews)  
This premium Optolong Narrowband H-Alpha filter is designed for nebula observation or CCD/dSLR imaging at 7nm bandwidth of light centered on a wavelength of 656nm, which corresponds to H-alpha emission lines. This filter...

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SKU: OPT-L-PRO-1.25
OPTOLONG
Optolong L-PRO Maximum Luminosity Filter 1.25"
 
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The Optolong L-Pro (L-Professional) filter is designed to provide maximum luminosity of the spectrum other than those areas caused by light pollution...  Compatible with 1.25" eyepieces and other accessories.

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RRP: £168.00 £129.00
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SKU: OPT-L-PRO-2
OPTOLONG
Optolong L-PRO Maximum Luminosity Filter 2"
 
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SPECIAL PROMOTION UNTIL STOCKS LAST! The Optolong L-Pro (L-Professional) filter is designed to provide maximum luminosity of the spectrum other than those areas caused by light pollution... Compatible with 2"...

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RRP: £93.90 £79.00
in In stock (2)
SKU: OPT-OIII-CCD-12NM-1.25
OPTOLONG
Optolong OIII-CCD 12nm Deep Sky Imaging Filter 1.25" for CCD Astro Photography
 
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This premium Optolong Narrowband OIII filter is designed for CCD imaging of deep sky objects and nebulosity allowing 12nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines,...

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RRP: £140.60 £122.00
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SKU: OPT-OIII-CCD-12NM-2
OPTOLONG
Optolong OIII-CCD 12nm Deep Sky Imaging Filter 2" for CCD Astro Photography
 
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This premium Optolong Narrowband OIII filter is designed for CCD imaging of deep sky objects and nebulosity allowing 12nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines,...

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in In stock (2)
SKU: OPT-OIII-CCD-6.5NM-1.25
OPTOLONG
Optolong OIII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 1.25" for CCD Astro Photography
 
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This premium Optolong Extra Narrowband OIII-CCD filter is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII...

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RRP: £212.00 £175.00
in In stock (2)
SKU: OPT-OIII-CCD-6.5NM-2
OPTOLONG
Optolong OIII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 2" for CCD Astro Photography
 
(0 reviews)  
This premium Optolong Extra Narrowband OIII-CCD filter is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII...

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in In stock (2)
SKU: OPT-OIII-CCD-6.5NM-36MM
OPTOLONG
Optolong OIII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 36mm Unmounted
 
(0 reviews)  
This premium Optolong Extra Narrowband OIII-CCD filter is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII...

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in In stock (2)
SKU: OPT-SII-CCD-12NM-1.25
OPTOLONG
Optolong SII-CCD 12nm Deep Sky Imaging Filter 1.25" for CCD Astro Photography
 
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This premium Optolong Narrowband SII filter is designed for CCD imaging of deep sky objects and nebulosity allowing 12nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to SII emission lines,...

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RRP: £169.00 £144.00
in In stock (2)
SKU: OPT-SII-CCD-12NM-2
OPTOLONG
Optolong SII-CCD 12nm Deep Sky Imaging Filter 2" for CCD Astro Photography
 
(0 reviews)  
This premium Optolong Narrowband SII filter is designed for CCD imaging of deep sky objects and nebulosity allowing 12nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to SII emission lines,...

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RRP: £134.00 £109.90
in In stock (2)
SKU: OPT-SII-CCD-6.5NM-1.25
OPTOLONG
Optolong SII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 1.25" for CCD Astro Photography
 
(0 reviews)  
This premium Optolong Narrowband SII filter (Sulphur II for CCD) is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to...

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RRP: £212.00 £173.00
in In stock (2)
SKU: OPT-SII-CCD-6.5NM-2
OPTOLONG
Optolong SII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 2" for CCD Astro Photography
 
(0 reviews)  
This premium Optolong Narrowband SII filter (Sulphur II for CCD) is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to...

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in In stock (2)
SKU: OPT-SII-CCD-6.5NM-36MM
OPTOLONG
Optolong SII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 36mm Unmounted
 
(0 reviews)  
This premium Optolong Narrowband SII filter (Sulphur II for CCD) is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to...

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£12.80
in In stock (10)
SKU: 365902
365ASTRONOMY
365Astronomy 2" to 1.25" Filter Adapter
 
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The 365Astronomy 2" to 1.25" Filter Adapter lets you use 1.25" filter with 2" accessories. We could also call it M48 to M28.5 adapter due to the real thread sizes.

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£4.40
in In stock (3)
SKU: FIPA92
Teleskop Service
White Transparent Plastic Filter Case 92x92mm, 25mm depth
 
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Protective boxes are useful accessories for all kinds of small equipment. They are made of plastic and can be opened and closed easily. This model is recommended e.g. for filter drawers, flat adapters and many more.

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£30.00
in In stock (2)
SKU: 20204
Optical Vision
H-Beta Filter 1.25 inch from OVL
 
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This high performance CCD filter transmits only the Hydogen Beta emission line, and therefore is useful for greatly increasing the contrast of objects that glow in the corresponding region of the spectrum, for example the...

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£39.60
low Low stock (1)
SKU: 20205
Optical Vision
H-Beta Filter 2 inch from OVL
 
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This high performance CCD filter transmits only the Hydogen Beta emission line, and therefore is useful for greatly increasing the contrast of objects that glow in the corresponding region of the spectrum, for example the...

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£88.00
in In stock (2)
SKU: 10208125
Astronomik
Astronomik CLS CCD Deep Sky & Light Pollution Filter 1.25-Inch
 
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Astronomik 1.25-Inch CLS  CCD DeepSky & LightPollution Filter for AstroPhotographyMounted filter in 1.25" cell ( M28.5mm x 0.5mm)The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras,...

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£105.00
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SKU: 10208531
Astronomik
Astronomik CLS CCD Deep Sky & Light Pollution Filter 31mm Mounted
 
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Astronomik 31mm CLS  CCD DeepSky & LightPollution Filter for AstroPhotographyMounted filter in 31mm simplified cell. The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been ...

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£178.00
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SKU: 10208540
Astronomik
Astronomik CLS CCD Deep Sky & Light Pollution Filter 50mm Mounted
 
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Astronomik 50mm CLS  CCD DeepSky & LightPollution Filter for AstroPhotographyMounted filter in 31mm simplified cell. The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been ...

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£177.00
in In stock (2)
SKU: 10208200
Astronomik
Astronomik CLS CCD Deep Sky & Light Pollution Filter 2-Inch
 
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Astronomik 2-Inch CLS  CCD DeepSky & LightPollution Filter for AstroPhotographyMounted filter in 2" cell ( M48.5mm x 0.75mm) The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which...

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RRP: £73.00 £63.00
in In stock (2)
SKU: 2458381
Baader Planetarium
Baader H-alpha 35nm CCD Filter 1'/4" (optically polished)
 
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Premium Grade H-alpha 35nm CCD Filter 1.2"; (optically polished) from Baader Planetarium Baader's new H-alpha CCD pass filter with medium 35nm-wide FWHM bandwidth is ideal for use with interline CCD cameras ...

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in In stock (2)
SKU: 2458380
Baader Planetarium
Baader H-alpha 35nm CCD Filter 2" (optically polished)
 
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Premium Grade H-alpha 35nm CCD Filtr 2" (optically polished) from Baader Planetarium Baader's new H-alpha CCD passfilter with medium 35nm-wide FWHM bandwidth is ideal for use with interline CCD cameras (although...

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RRP: £126.00 £115.00
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SKU: 2458379
Baader Planetarium
Baader H-alpha 35nm CCD Filter 50.8mm (STL) Size - no cell
 
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H-alpha 35nm CCD Filter 50.8mm (STL) Size - no cell (optically polished) Please CONTACT US for availability information!  ...

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£298.00
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SKU: 10233331
Astronomik
Astronomik Deep Sky RGB Filter Set - 31mm Mounted
 
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Astronomik has added a new range of RGB filters to its line of World class products. The new Deep-Sky RGB filters are designed for maximum deep sky imaging performance with CCD cameras. Using Astronomik Deep-Sky RGB filters...

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£529.00
in In stock (2)
SKU: 10233350
Astronomik
Astronomik Deep Sky RGB Filter Set - 50mm Mounted
 
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Astronomik has added a new range of RGB filters to its line of World class products. The new Deep-Sky RGB filters are designed for maximum deep sky imaging performance with CCD cameras. Using Astronomik Deep-Sky RGB filters...

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RRP: £118.00 £115.00
in In stock (2)
SKU: 10212125
Astronomik
Astronomik H-Alpha CCD 12nm Passband Filter 1.25-Inch
 
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Astronomik 1.25-Inch H-Alpha 12nm Passband Filter for CCD PhotographyMounted filter in 1.25" cell ( M28.5mm x 0.5mm) The Astronomik H-alpha 12nm filter is a narrow band filter for CCD photography. The filter lets the...

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RRP: £272.00 £268.00
in In stock (2)
SKU: 10212200
Astronomik
Astronomik H-Alpha CCD 12nm Passband Filter 2-Inch
 
(0 reviews)  
Astronomik 2-Inch H-Alpha 12nm Passband Filter for CCD PhotographyMounted filter in 2" cell ( M48.5mm x 0.75mm) The Astronomik H-alpha 12nm filter is a narrow band filter for CCD photography. The filter lets the H-alpha...

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£144.00
low Low stock (1)
SKU: 10212331
Astronomik
Astronomik H-Alpha CCD 12nm Passband Filter 31mm
 
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Astronomik 31mm H-Alpha 12nm Passband Filter for CCD PhotographyUNMOUNTED filter without cell ( 31mm x 0.5mm) The Astronomik H-alpha 12nm filter is a narrow band filter for CCD photography. The filter lets the H-alpha light...

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£58.00
in In stock (2)
SKU: 10227125
Astronomik
Astronomik ProPlanet 642 BP IR-pass Filter 1.25"
 
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The Astronomik ProPlanet 642 BP is the lastest addition to the family of Astromik ProPlanet IR-pass filters. The filter thrills because of it´s wide range of applikations for daylight IR-Photography, high-resolution...

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£51.40
in In stock (2)
SKU: 10227031
Astronomik
Astronomik ProPlanet 642 BP IR-pass Filter 31mm
 
(0 reviews)  
The Astronomik ProPlanet 642 BP is the lastest addition to the family of Astromik ProPlanet IR-pass filters. The filter thrills because of it´s wide range of applikations for daylight IR-Photography, high-resolution...

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£519.00
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SKU: 10220350
Astronomik
Astronomik Type IIc L-RGB Filter Set - 50mm Semi-mounted
 
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Please note, the latest version of this filter is mounted in a low profile simple metal housing. The purpose of this is to allow more secure fixing of the filter in the filter wheel and less chance to crack the filter by over...

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£418.00
in In stock (2)
SKU: 10212555
Astronomik
Astronomik H-Alpha CCD 6nm Passband Filter 2-Inch
 
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Astronomik 2-Inch H-Alpha 6nm Passband Filter for CCD PhotographyMounted filter in 2" cell ( M48.5mm x 0.75mm) The Astronomik H-alpha 6nm filter is an extremely narrow emission-line filter for CCD photography. The filter...

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SKU: 10212565
Astronomik
Astronomik H-Alpha CCD 6nm Passband Filter 50mm Unmounted
 
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Astronomik 2-Inch H-Alpha 6nm Passband Filter for CCD Photography. Theoretically a unmounted filter, however Astronomik recently started mounting these filters in a very low profile metal housing that has no threads, so this...

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RRP: £435.00 £426.00
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SKU: 10215650
Astronomik
Astronomik OIII CCD 6nm Passband Filter 50mm Unmounted
 
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The Astronomik OIII 6nm filter is an extremely narrow emission-line filter for CCD photography. The filter lets the OIII light of emission nebulae pass and blocks nearly the whole remainder of the spectrum where the CCD is...

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New Arrivals

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RRP: £665.00 £589.00
in In stock (2)
SKU: 2459400
Baader Planetarium
Baader f/2 Narrowband Highspeed-Filterset 2" - Set of 3 Filters H-alpha, OIII and SII
Added: 01/03/2019
 
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f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requirements of extremely fast astrograph optics, in particular Hyperstar and RASA

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RRP: £134.00 £109.90
in In stock (2)
SKU: OPT-SII-CCD-6.5NM-1.25
OPTOLONG
Optolong SII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 1.25" for CCD Astro Photography
Added: 06/01/2019
 
(0 reviews)  
This premium Optolong Narrowband SII filter (Sulphur II for CCD) is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to...

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in In stock (2)
SKU: OPT-OIII-CCD-6.5NM-1.25
OPTOLONG
Optolong OIII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 1.25" for CCD Astro Photography
Added: 04/01/2019
 
(0 reviews)  
This premium Optolong Extra Narrowband OIII-CCD filter is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII...

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RRP: £169.00 £149.00
in In stock (2)
SKU: OPT-SII-CCD-6.5NM-36MM
OPTOLONG
Optolong SII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 36mm Unmounted
Added: 02/01/2019
 
(0 reviews)  
This premium Optolong Narrowband SII filter (Sulphur II for CCD) is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to...

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RRP: £169.00 £149.00
in In stock (2)
SKU: OPT-OIII-CCD-6.5NM-36MM
OPTOLONG
Optolong OIII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 36mm Unmounted
Added: 02/01/2019
 
(0 reviews)  
This premium Optolong Extra Narrowband OIII-CCD filter is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII...

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in In stock (2)
SKU: OPT-H-ALPHA-7NM-36MM
OPTOLONG
Optolong H-Alpha 7nm Narrowband Deepsky Filter 36mm Unmounted
Added: 02/01/2019
 
(0 reviews)  
This premium Optolong Narrowband H-Alpha filter is designed for nebula observation or CCD/dSLR imaging at 7nm bandwidth of light centered on a wavelength of 656nm, which corresponds to H-alpha emission lines. This filter...

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£775.00
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SKU: CHROMA_Ha3_2INCH
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 2" Filter
Added: 01/01/2019
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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£750.00
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SKU: CHROMA_Ha3_50ROUND
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Round Unmounted
Added: 01/01/2019
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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£760.00
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SKU: CHROMA_Ha3_50SQUARE
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Square Unmounted
Added: 01/01/2019
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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£760.00
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SKU: CHROMA_OIII3_50SQUARE
Chroma
Chroma Narrowband Filter - OIII 3nm - 50mm Square Unmounted
Added: 01/01/2019
 
(0 reviews)  
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae. Doublet emission occurs at 495.9 and 500.7 nm.

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£750.00
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SKU: CHROMA_OIII3_50ROUND
Chroma
Chroma Narrowband Filter - OIII 3nm - 50mm Round Unmounted
Added: 01/01/2019
 
(0 reviews)  
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae. Doublet emission occurs at 495.9 and 500.7 nm.

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£775.00
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SKU: CHROMA_OIII3_2INCH
Chroma
Chroma Narrowband Filter - OIII 3nm - 2"
Added: 01/01/2019
 
(0 reviews)  
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae. Doublet emission occurs at 495.9 and 500.7 nm.

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£775.00
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SKU: CHROMA_SII3_2INCH
Chroma
Chroma Narrowband Filter - SII 3nm - 2"
Added: 01/01/2019
 
(0 reviews)  
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.

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£750.00
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SKU: CHROMA_SII3_50ROUND
Chroma
Chroma Narrowband Filter - SII 3nm - 50mm Round Unmounted
Added: 01/01/2019
 
(0 reviews)  
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.

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£760.00
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SKU: CHROMA_SII3_50SQUARE
Chroma
Chroma Narrowband Filter - SII 3nm - 50mm Square Unmounted
Added: 01/01/2019
 
(0 reviews)  
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.

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£466.00
in In stock (2)
SKU: Z256-NB7nmD36MkII
ZWOptical
ZWO 36mm H-alpha SII OIII 7nm Narrowband Filter Set - UNMOUNTED - Mark II
Added: 24/11/2018
 
(0 reviews)  
Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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£414.00
in In stock (2)
SKU: Z255-NB7nmD31MkII
ZWOptical
ZWO 31mm H-alpha, SII, OIII 7nm Narrowband Filter Set - UNMOUNTED - Mark II
Added: 24/11/2018
 
(0 reviews)  
Narrowband filter sets are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae...

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£163.00
in In stock (2)
SKU: Z265-SII7nmD36MkII
ZWOptical
ZWO 36mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II
Added: 24/11/2018
 
(0 reviews)  
The ZWO SII 7nm narrowband filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation and imaging. It is suitable for visual observation on most emission nebulae, planetary...

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