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Other Contrast & Deepsky Filters

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RRP: £609.00 £589.00
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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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£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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£1239.00
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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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£1468.00
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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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£614.00
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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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£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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£586.00
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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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£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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£1149.00
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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
£1496.00
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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
£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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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
£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
£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
£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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£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
£586.00
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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
£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
£1149.00
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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.

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Qty
£1496.00
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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.

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Qty
£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
£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
£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
£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
£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
£579.00
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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
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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
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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
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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
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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
£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
out Ask about stock
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: 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: 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: 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
£279.00
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SKU: Astronomik-CLS-M77
Astronomik
Astronomik CLS Visual Filter for Camera Lenses with M77 Filter Thread
 
(0 reviews)  
Astronomik CLS Deep Sky & Light Pollution Clip Filter for Visual Observations B&W and CCD Photography. Mounted filter in M77 Cell. Compatible with camera lenses with M77 thread...

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Qty
£775.00
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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
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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
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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
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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
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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
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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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RRP: £44.99 £42.00
low Low stock (1)
SKU: 20209
Optical Vision
Clear Sky CLS Filter (1.25") by OVL
 
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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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RRP: £44.99 £42.00
low Low stock (1)
SKU: 20211
Optical Vision
Deep Sky Filter (1.25") by OVL
 
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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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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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RRP: £44.99 £39.00
low Low stock (1)
SKU: 20208
Optical Vision
UV/IR Cut-Off Filter (1.25") by OVL
 
(0 reviews)  
This UV/IR cut filter blocks UV and IR rays to maintain the color temperature you want, eliminating false colour fringes around bright stars. Offers a 99.9% light transmission rate for bright and clear images. Suitable for...

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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
£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
£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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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
£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
£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
£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
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
£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
£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
£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
£106.00
in In stock (2)
SKU: B2H-0125
TELEVUE
TeleVue Bandmate Type 2 H-beta Premium Visual Nebula Filter 1.25-Inch
 
(0 reviews)  
The OIII and Hβ are more typical representative offerings available from Astronomik's product line but with the tight specification tolerances and additional assurance of Tele Vue's testing guarantee.

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Qty
£214.00
in In stock (2)
SKU: B2H-0200
TELEVUE
TeleVue Bandmate Type 2 H-beta Premium Visual Nebula Filter 2-Inch
 
(0 reviews)  
The OIII and Hβ are more typical representative offerings available from Astronomik's product line but with the tight specification tolerances and additional assurance of Tele Vue's testing guarantee.

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Qty
Save 14%
RRP: £118.00 £102.00
in In stock (2)
SKU: B2N-0125
TELEVUE
TeleVue Bandmate Type 2 Nebustar Premium Visual Nebula Filter 1.25-Inch
 
(0 reviews)  
The Nebustar filter is a unique narrowband design specifically for Tele Vue. Unlike other UHC designs, Nebustar blocks red wavelengths normally passed by typical UHC filters. The design eliminates star bloat to produce...

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Qty
Save 14%
RRP: £234.00 £202.00
in In stock (2)
SKU: B2N-0200
TELEVUE
TeleVue Bandmate Type 2 Nebustar Premium Visual Nebula Filter 2-Inch
 
(0 reviews)  
The Nebustar filter is a unique narrowband design specifically for Tele Vue. Unlike other UHC designs, Nebustar blocks red wavelengths normally passed by typical UHC filters. The design eliminates star bloat to produce...

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£106.00
in In stock (2)
SKU: B2O-0125
TELEVUE
TeleVue Bandmate Type 2 OIII Premium Visual Nebula Filter 1.25-Inch
 
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The OIII and Hβ are more typical representative offerings available from Astronomik's product line but with the tight specification tolerances and additional assurance of Tele Vue's testing guarantee.

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£214.00
in In stock (2)
SKU: B2O-0200
TELEVUE
TeleVue Bandmate Type 2 OIII Premium Visual Nebula Filter 2-Inch
 
(0 reviews)  
The OIII and Hβ are more typical representative offerings available from Astronomik's product line but with the tight specification tolerances and additional assurance of Tele Vue's testing guarantee.

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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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£35.00
in In stock (5)
SKU: 365401
365ASTRONOMY
365Astronomy OIII Deepsky Filter, 1.25"
 
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This OIII filter fits well somewhere in the middle in between visual and CCD OIII filters with its appr. 16nm wide transmission, centered at around 498nm.

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£52.00
in In stock (3)
SKU: 365402
365ASTRONOMY
365Astronomy OIII Deepsky Filter, 2"
 
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This OIII filter fits well somewhere in the middle in between visual and CCD OIII filters with its appr. 16nm wide transmission, centered at around 498nm.

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£43.00
in In stock (2)
SKU: Castell-DCLS1
Castell
Castell CLS (City Light Supression) Filter, 1.25"
 
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Castell CLS Filter for eyepieces, cameras and filter wheels with 1.25-Inch (31.7 mm) nosepiece. The Castell CLS filter blocks the part of the spectrum where street lights (sodium, mercury lamps) emit light. This filter comes...

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£74.00
in In stock (2)
SKU: Castell-DCLS2
Castell
Castell CLS (City Light Supression) Filter, 2"
 
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Castell CLS Filter for eyepieces, cameras and filter wheels with 2-Inch (50.8 mm) nosepiece. The Castell CLS filter blocks the part of the spectrum where street lights (sodium, mercury lamps) emit light. This filter comes in...

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£46.00
in In stock (4)
SKU: Castell-Doiii1
Castell
Castell OIII Deepsky Filter for 1.25-Inch Eyepieces
 
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Castell OIII Deepsky Filter for 1.25-Inch (31.7 mm) EyepiecesThis OIII filter will allow emission lines of the doubly ionised oxygen (OIII)  where most of the light comes from older objects such as planetary nebulae...

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£59.60
in In stock (4)
SKU: Castell-Doiii2
Castell
Castell OIII Deepsky Filter for 2-Inch Eyepieces
 
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Back in stock again! Castell OIII Deepsky Filter for 2" 2-Inch (31.7 mm) EyepiecesThis OIII filter will allow emission lines of the doubly ionised oxygen (OIII)  where most of the light comes from older objects...

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£61.80
in In stock (5)
SKU: Castell-Duhc2
Castell
Castell UHC Ultra High Contrast Deep Sky Filter, 2"
 
(1 reviews)  
Castell UHC Deepsky Filter for 2-Inch (50.8 mm) EyepiecesThis UHC filter allows emission lines of H-alpha, H-beta, S-II and O-III where most of the light comes from in the case of emission nebulae.On the contrary it will cut...

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£38.00
in In stock (2)
SKU: Castell-DUHC1
Castell
Castell UHC Ultra High Contrast Filter, 1.25"
 
(0 reviews)  
Castell CLS Filter for eyepieces, cameras and filter wheels with 1.25-Inch (31.7 mm) nosepiece. The Castell CLS filter blocks the part of the spectrum where street lights (sodium, mercury lamps) emit light. This filter comes...

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RRP: £70.00 £62.00
in In stock (2)
SKU: 2458398
Baader Planetarium
Baader 1 1/4" Semi APO Filter (Phantom Coating Group)
 
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 Baader 1.25" Semi APO Filter (optically polished)  The combination of the NEODYMIUM & IR-Cut 1 1/4" (Moon & Skyglow) Filter  with the Fringe Killer Filter 1.25 inch (Phantomgroup Coated) is a...

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RRP: £75.00 £65.00
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SKU: 2458385
Baader Planetarium
Baader 1'/4" IR-PassFilter (685 nm) (optically polished)
 
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Baader 1'/4" IR - PassFilter (685 nm) (optically polished) The secret of good planetary images, the IR-Pass filter can greatly improve image sharpness by reducing the effects of seeing.Description: A top image during...

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RRP: £195.00 £176.00
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SKU: 2458295
Baader Planetarium
Baader 1.25" Methane Narrowband Filter 8nm ZWL 889nm (optically polished)
 
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Baader 1.25" Methane Narrowband Filter 8nm (optically polished)A new generation methane filter exclusively for Webcam or CCD imaging for varios objects, but especially recommended for planets. Visual observation is not...

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RRP: £82.00 £74.00
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SKU: 2458395A
Baader Planetarium
Baader 1.25" Narrowband OIII Nebula Filter 8nm HBW
 
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THE PROFESSIONAL NEBULA FILTER! Baader 1'/4" Narrowband OIII Filter, (8nmHBW) Optically PolishedThe non plus ultra for visual deep-sky observers, offering the highest performance of all nebula filters, especially...

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£34.20
in In stock (3)
SKU: 2458415
Baader Planetarium
Baader Clear Focusing Filter 1.25"
 
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Baader Clear Focusing Filter 1.25" Please CONTACT US for availability information!  ...

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RRP: £65.40 £62.00
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SKU: 2458420
Baader Planetarium
Baader Clear Focusing Filter 50.8mm Round
 
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Baader Clear Focusing Filter 50.8mm Round Please CONTACT US for availability information!  ...

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£75.00
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SKU: 2458421
Baader Planetarium
Baader Clear Focusing Filter 50x50mm Square
 
(0 reviews)  
Baader Clear Focusing Filter 50x50mm SquareIf you see that stock=0, don't worry, we may get it for you in most cases quickly. Please tell us what you are after, and we'll check with the manufacturer. Click here to...

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RRP: £69.00 £61.00
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SKU: 2458360
Baader Planetarium
Baader Contrast Booster Filter 1'/4" (Phantomgroup Coated)
 
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BAADER CONTRAST-BOOSTER FILTER 1.25" (Optically Polished and Phantomgroup Coated)A unique filter for many different astronomical tasks – incomparable in acuity to combinations of generic color filters, made of raw...

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RRP: £72.00 £64.00
in In stock (2)
SKU: 2458370
Baader Planetarium
Baader Fringe Killer Filter 1.25 inch (Phantomgroup Coated)
 
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Fringe Killer Filter 1.25" (Optically Polished and Phantomgroup Coated)The BAADER Fringe-Killer Filter minimizes unwanted blue fringing, comparable to a Minus-Violet-Filter, while retaining a very pleasing color balance....

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RRP: £69.00 £61.00
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SKU: 2458305A
Baader Planetarium
Baader NEODYMIUM & IR-Cut 1 1/4" (Moon & Skyglow) Filter
 
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NEODYMIUM & IR-Cut 1.25" Moon & Skyglow Filter with Phantom Group Coating The best visual and photographic filters for contrast enhancement for the PLANETS and MOON at all levels for Schmidt-Cassegrain and Newton...

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RRP: £185.00 £166.00
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SKU: 2458292
Baader Planetarium
Baader U-Filter 1.25" ZWL 350nm T= 320 - 380nm (optically polished)
 
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Baader U-Filter 1.25" T= 320 - 380 (optically polished) - not for photometryA new generation Venus filter that allows Amateurs to image fine detail on Venus for the first time. This is achieved by the use of the latest...

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RRP: £259.00 £231.00
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SKU: 2458291
Baader Planetarium
Baader U-Filter 2" ZWL 350nm T= 320 - 380nm (optically polished)
 
(0 reviews)  
Baader U-Filter 1.25" T= 320 - 380 (optically polished) - not for photometryA new generation Venus filter that allows Amateurs to image fine detail on Venus for the first time. This is achieved by the use of the latest...

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RRP: £153.00 £138.00
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SKU: 2459440B
Baader Planetarium
Baader UBVRI Photometric B-Filter 1.25" (4mm Glass) with LPFC
 
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Baader UBVRI Photometric B-Filter 1.25" (4mm Glass)  installed in Low Profile Filter Cell (LPFC )Available on back order only....

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RRP: £695.00 £629.00
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SKU: 2459440-SET
Baader Planetarium
Baader UBVRI Photometric Filter SET 1.25" (4mm Glass) with LPFC
 
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Baader UBVRI Photometric Filter SET 1.25" (4mm Glass)  installed in Low Profile Filter Cell (LPFC )Available on back order only....

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RRP: £149.00 £135.00
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SKU: 2459440I
Baader Planetarium
Baader UBVRI Photometric I-Filter 1.25" (4mm Glass) with LPFC
 
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Baader UBVRI Photometric I-Filter 1.25" (4mm Glass)  installed in Low Profile Filter Cell (LPFC )Available on back order only....

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RRP: £153.00 £138.00
low Low stock (1)
SKU: 2459440R
Baader Planetarium
Baader UBVRI Photometric R-Filter 1.25" (4mm Glass) with LPFC
 
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Baader UBVRI Photometric R-Filter 1.25" (4mm Glass)  installed in Low Profile Filter Cell (LPFC )Available on back order only....

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RRP: £153.00 £138.00
low Low stock (1)
SKU: 2459440U
Baader Planetarium
Baader UBVRI Photometric U-Filter 1.25" (4mm Glass) with LPFC
 
(0 reviews)  
Baader UBVRI Photometric U-Filter 1.25" (4mm Glass)  installed in Low Profile Filter Cell (LPFC )Available on back order only....

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RRP: £153.00 £138.00
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SKU: 2459440V
Baader Planetarium
Baader UBVRI Photometric V-Filter 1.25" (4mm Glass) with LPFC
 
(0 reviews)  
Baader UBVRI Photometric V-Filter 1.25" (4mm Glass)  installed in Low Profile Filter Cell (LPFC )Available on back order only....

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RRP: £125.00 £112.50
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SKU: 2458278
Baader Planetarium
Baader UHC-S / L-Booster-Filter 50.8mm Round
 
(0 reviews)  
Baader UHC-S / L-Booster-Filter 50.8mm Round   Please CONTACT US for availability information!  

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RRP: £165.00 £146.00
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SKU: 2458279
Baader Planetarium
Baader UHC-S / L-Booster-Filter 50x50mm Square
 
(0 reviews)  
Baader UHC-S / L-Booster-Filter 50x50mm SquareIf you see that stock=0, don't worry, we may get it for you in most cases quickly. Please tell us what you are after, and we'll check with the manufacturer. Click here to...

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RRP: £70.00 £62.00
in In stock (3)
SKU: 2458275
Baader Planetarium
Baader UHC-S/L-Booster-Filter 1'/4" (optically polished)
 
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 Premium Quality Baader UHC-S / L-Booster Nebula Filter 1.25" (optically polished)Excellent for telescopes with diameter above 100 mm (4").This is the perfect solution for viewing and imaging emission nebulae...

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New Arrivals

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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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RRP: £134.00 £109.90
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
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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
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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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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
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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RRP: £228.00 £209.00
in In stock (3)
SKU: OPT-L-PRO-SONY-FF
OPTOLONG
Optolong L-PRO Maximum Luminosity Filter - SONY FULL FRAME Clip Filter
Added: 01/01/2019
 
(0 reviews)  
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 FULL FRAME SONY cameras.

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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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RRP: £98.00 £89.00
in In stock (3)
SKU: OPT-UHC-NIKON-FF-MkII
OPTOLONG
Optolong UHC Ultra High Contrast Filter - Nikon FULL FRAME Clip Filter - Mark II
Added: 27/12/2018
 
(0 reviews)  
 Premium Quality Optolong UHC Ultra High Contrast Filter for heavily light polluted skies. Compatible with FULL FRAME Nikon cameras.

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RRP: £228.00 £185.00
in In stock (3)
SKU: OPT-L-PRO-NIKON-FF-mkII
OPTOLONG
Optolong L-PRO Maximum Luminosity Filter - Nikon FULL FRAME Clip Filter - MkII
Added: 24/12/2018
 
(0 reviews)  
Mark II version - no change to the quality of the filter, but the housing has been updated and thus the compatibility list has been altered. The Optolong L-Pro (L-Professional) filter is designed to provide maximum...

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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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