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In stock (3) SKU: ANT-IR685-1.25
Antlia Filters
ANTLIA IR-Pass 685nm Planetary Imaging Filter - 1.25"
The Antlia IR Pass 685nm filter is an absorption filter that allows infrared light with wavelengths of more than 685nm to pass through. At these longer wavelengths, the sensitivity of the unaided eye is reduced, so it is not...
In stock (3) SKU: ANT-IR850-1.25
Antlia Filters
ANTLIA IR-Pass 850nm Planetary Imaging Filter - 1.25"
The Antlia IR Pass 850nm filter is an absorption filter that allows infrared light with wavelengths of more than 850nm to pass through. At these longer wavelengths, the sensitivity of the unaided eye is reduced, so it is not...
In stock (3) SKU: ANT-LRGB-V-1.25
Antlia Filters
ANTLIA LRGB V-series Astronomy Imaging Filters - 1.25"
The Antlia LRGB V series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI, Sony, GSENSE and other sensor manufacturers. This filter set is designed to...
In stock (3) SKU: ANT-LRGB-V-2
Antlia Filters
ANTLIA LRGB V-series Astronomy Imaging Filters - 2"
The Antlia LRGB V series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI, Sony, GSENSE and other sensor manufacturers. This filter set is designed to...
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SKU: ANT-LRGB-V-31
Antlia Filters
ANTLIA LRGB V-series Astronomy Imaging Filters - 31mm Unmounted
The Antlia LRGB V series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI, Sony, GSENSE and other sensor manufacturers. This filter set is designed to...
In stock (2) SKU: ANT-LRGB-V-36
Antlia Filters
ANTLIA LRGB V-series Astronomy Imaging Filters - 36mm Unmounted
The Antlia LRGB V series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI, Sony, GSENSE and other sensor manufacturers. This filter set is designed to...
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SKU: ANT-LRGB-V-50
Antlia Filters
ANTLIA LRGB V-series Astronomy Imaging Filters - 50mm Unmounted
The Antlia LRGB V series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI, Sony, GSENSE and other sensor manufacturers. This filter set is designed to...
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SKU: ANT-LRGB-V-50x50
Antlia Filters
ANTLIA LRGB V-series Astronomy Imaging Filters - 50x50mm Square Unmounted
The Antlia LRGB V series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI, Sony, GSENSE and other sensor manufacturers. This filter set is designed to...
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SKU: ANT-LRGB-V-65x65
Antlia Filters
ANTLIA LRGB V-series Astronomy Imaging Filters - 65x65mm Square Unmounted
The Antlia LRGB V series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI, Sony, GSENSE and other sensor manufacturers. This filter set is designed to...
In stock (3) SKU: ANT-U-Venus-1.25
Antlia Filters
ANTLIA U-Venus Planetary Imaging Filter - 1.25"
The Antlia Venus-U filter is designed for imaging the cloud structures of Venus and Jupiter with CCD or CMOS cameras via a telescope. Cloud details primarily appear in the ultraviolet band which cannot normally be imaged using...
In stock (4) SKU: ANT-3.5HA-1.25
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm H-alpha Filter - 1.25"
The Antlia H-Alpha (Ha) 3.5nm filter is suitable for imaging of H-Alpha emissions from nebulas, planetary nebulas and supernova remnants.
In stock (2) SKU: ANT-3.5OIII-1.25
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm OIII Filter - 1.25"
The Antlia OIII 3.5nm filter is suitable for imaging Oxigen III emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 500.7nm. The...
In stock (3) SKU: ANT-3.5SII-1.25
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm SII Filter - 1.25"
The Antlia SII 3.5nm filter is suitable for imaging SII emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 671.6nm. The extreme...
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SKU: ANT-3.5HA-2
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm H-alpha Filter - 2"
The Antlia H-Alpha (Ha) 3.5nm filter is suitable for imaging of H-Alpha emissions from nebulas, planetary nebulas and supernova remnants.
In stock (2) SKU: ANTANT-3.5OIII-2
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm OIII Filter - 2"
The Antlia OIII 3.5nm filter is suitable for imaging Oxigen III emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 500.7nm. The...
In stock (2) SKU: ANT-3.5SII-2
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm SII Filter - 2"
The Antlia SII 3.5nm filter is suitable for imaging SII emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 671.6nm. The extreme...
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SKU: ANT-3.5HA-31
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm H-alpha Filter - 31mm Unmounted
The Antlia H-Alpha (Ha) 3.5nm filter is suitable for imaging of H-Alpha emissions from nebulas, planetary nebulas and supernova remnants.
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SKU: ANT-3.5OIII-31
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm OIII Filter - 31mm Unmounted
The Antlia OIII 3.5nm filter is suitable for imaging Oxigen III emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 500.7nm. The...
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SKU: ANT-3.5SII-31
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm SII Filter - 31mm Unmounted
The Antlia SII 3.5nm filter is suitable for imaging SII emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 671.6nm. The extreme...
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SKU: ANT-3.5HA-36
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm H-alpha Filter - 36mm Unmounted
The Antlia H-Alpha (Ha) 3.5nm filter is suitable for imaging of H-Alpha emissions from nebulas, planetary nebulas and supernova remnants.
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SKU: ANT-3.5OIII-36
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm OIII Filter - 36mm Unmounted
The Antlia OIII 3.5nm filter is suitable for imaging Oxigen III emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 500.7nm. The...
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SKU: ANT-3.5SII-36
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm SII Filter - 36mm Unmounted
The Antlia SII 3.5nm filter is suitable for imaging SII emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 671.6nm. The extreme...
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SKU: ANT-3.5HA-50
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm H-alpha Filter - 50mm Unmounted
The Antlia H-Alpha (Ha) 3.5nm filter is suitable for imaging of H-Alpha emissions from nebulas, planetary nebulas and supernova remnants.
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SKU: ANT-3.5OIII-50
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm OIII Filter - 50mm Unmounted
The Antlia OIII 3.5nm filter is suitable for imaging Oxigen III emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 500.7nm. The...
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SKU: ANT-3.5SII-50
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm SII Filter - 50mm Unmounted
The Antlia SII 3.5nm filter is suitable for imaging SII emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 671.6nm. The extreme...
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SKU: ANT-3.5HA-50x50
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm H-alpha Filter - 50x50mm Square Unmounted
The Antlia H-Alpha (Ha) 3.5nm filter is suitable for imaging of H-Alpha emissions from nebulas, planetary nebulas and supernova remnants.
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SKU: ANT-3.5OIII-50x50
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm OIII Filter - 50x50mm Square Unmounted
The Antlia OIII 3.5nm filter is suitable for imaging Oxigen III emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 500.7nm. The...
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SKU: ANT-3.5SII-50x50
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm SII Filter - 50x50mm Square Unmounted
The Antlia SII 3.5nm filter is suitable for imaging SII emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 671.6nm. The extreme...
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SKU: ANT-3.5HA-65x65
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm H-alpha Filter - 65x65mm Square Unmounted
The Antlia H-Alpha (Ha) 3.5nm filter is suitable for imaging of H-Alpha emissions from nebulas, planetary nebulas and supernova remnants.
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SKU: ANT-3.5OIII-65x65
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm OIII Filter - 65x65mm Square Unmounted
The Antlia OIII 3.5nm filter is suitable for imaging Oxigen III emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 500.7nm. The...
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SKU: ANT-3.5SII-65x65
Antlia Filters
ANTLIA Ultra Narrowband 3.5nm SII Filter - 65x65mm Square Unmounted
The Antlia SII 3.5nm filter is suitable for imaging SII emissions from nebulae, planetary nebulae and supernova remnants.
The 3.5nm bandwidth delivers a high transmission at a center wavelength of 671.6nm. The extreme...
Low stock (1) SKU: LRGB2_E27R
ASTRODON
Astrodon LRGB Gen2 E-Series Tru-Balance Filters (set of 4) - 1.25" Mounted
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.
In stock (2) SKU: HA3_27R
ASTRODON
Astrodon Narrowband Filters - H-alpha 3nm - 1.25" Mounted
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.
In stock (2) SKU: HA3_36R
ASTRODON
Astrodon Narrowband Filters - H-alpha 3nm - 36mm Unmounted
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.
In stock (2) SKU: HA5_27R
ASTRODON
Astrodon Narrowband Filters - H-alpha 5nm - 1.25" Mounted
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.
In stock (2) SKU: OIII3_27R
ASTRODON
Astrodon Narrowband Filters - OIII 3nm - 1.25" Mounted
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.
In stock (2) SKU: OIII3_36R
ASTRODON
Astrodon Narrowband Filters - OIII 3nm - 36mm Unmounted
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.
In stock (2) SKU: OIII5_27R
ASTRODON
Astrodon Narrowband Filters - OIII 5nm - 1.25" Mounted
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.
In stock (3) SKU: OIII5_36R
ASTRODON
Astrodon Narrowband Filters - OIII 5nm - 36mm Unmounted
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.
In stock (2) SKU: SII3_27R
ASTRODON
Astrodon Narrowband Filters - SII 3nm - 1.25" Mounted
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.
In stock (2) SKU: SII3_36R
ASTRODON
Astrodon Narrowband Filters - SII 3nm - 36mm Unmounted
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.
In stock (2) SKU: SII5_27R
ASTRODON
Astrodon Narrowband Filters - SII 5nm - 1.25" Mounted
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.
In stock (2) SKU: SII5_36R
ASTRODON
Astrodon Narrowband Filters - SII 5nm - 36mm Unmounted
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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SKU: Astronomik-CLS-M77
Astronomik
Astronomik CLS Visual Filter for Camera Lenses with M77 Filter Thread
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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SKU: CHROMA_Ha3_2INCH
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 2" Filter
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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SKU: CHROMA_Ha3_31MM
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 31mm Unmounted Round Filter
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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SKU: CHROMA_Ha3_50ROUND
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Round Unmounted
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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SKU: CHROMA_Ha3_50SQUARE
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Square Unmounted
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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SKU: CHROMA_OIII3_2INCH
Chroma
Chroma Narrowband Filter - OIII 3nm - 2"
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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SKU: CHROMA_OIII3_31MM
Chroma
Chroma Narrowband Filter - OIII 3nm - 31mm Unmounted Round Filter
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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SKU: CHROMA_OIII3_50ROUND
Chroma
Chroma Narrowband Filter - OIII 3nm - 50mm Round Unmounted
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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SKU: CHROMA_OIII3_50SQUARE
Chroma
Chroma Narrowband Filter - OIII 3nm - 50mm Square Unmounted
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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SKU: CHROMA_SII3_2INCH
Chroma
Chroma Narrowband Filter - SII 3nm - 2"
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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SKU: CHROMA_SII3_31MM
Chroma
Chroma Narrowband Filter - SII 3nm - 31mm Unmounted Round Filter
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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SKU: CHROMA_SII3_50ROUND
Chroma
Chroma Narrowband Filter - SII 3nm - 50mm Round Unmounted
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.
Ask about stock
SKU: CHROMA_SII3_50SQUARE
Chroma
Chroma Narrowband Filter - SII 3nm - 50mm Square Unmounted
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.
Low stock (1) SKU: 20209
Optical Vision
Clear Sky CLS Filter (1.25") by OVL
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...
Low stock (1) SKU: 20210
Optical Vision
Hydrogen-Alpha H-Alpha12nm CCD Filter (1.25") by OVL
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....
Low stock (1) SKU: 20208
Optical Vision
UV/IR Cut-Off Filter (1.25") by OVL
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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SKU: Z257-Ha7nm1.25MkII
ZWOptical
ZWO 1.25" H-alpha 7nm Narrowband Filter - Mark II
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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SKU: Z254-NB7nm1.25MkII
ZWOptical
ZWO 1.25" H-alpha, SII, OIII 7nm Narrowband Filter Set - Mark II
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...
In stock (2) SKU: Z260-OIII7nm1.25MkII
ZWOptical
ZWO 1.25" OIII 7nm Narrowband Filter - Mark II
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...
In stock (2) SKU: Z263-SII7nm1.25MkII
ZWOptical
ZWO 1.25" SII 7nm Narrowband Filter - Mark II
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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SKU: Z267-Ha7nmD2
ZWOptical
ZWO 2" H-alpha 7nm Narrowband Filter
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...
In stock (2) SKU: Z266-NB7nmD2
ZWOptical
ZWO 2" H-alpha SII OIII 7nm Narrowband Filter Set
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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SKU: Z268-OIII7nmD2
ZWOptical
ZWO 2" OIII 7nm Narrowband Filter
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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SKU: Z269-SII7nmD2
ZWOptical
ZWO 2" SII 7nm Narrowband Filter
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...
In stock (2) SKU: Z258-Ha7nmD31MkII
ZWOptical
ZWO 31mm H-alpha 7nm Narrowband Filter - UNMOUNTED - Mark II
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...
In stock (2) SKU: Z258-Ha7nmD31
ZWOptical
ZWO 31mm H-alpha 7nm Narrowband Filter - UNMOUNTED - SPECIAL PROMOTION
PROMOTION! 40% 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,...
In stock (2) SKU: Z255-NB7nmD31MkII
ZWOptical
ZWO 31mm H-alpha, SII, OIII 7nm Narrowband Filter Set - UNMOUNTED - Mark II
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...
In stock (2) SKU: Z261-OIII7nmD31MkII
ZWOptical
ZWO 31mm OIII 7nm Narrowband Filter - UNMOUNTED - Mark II
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...
In stock (2) SKU: Z264-SII7nmD31MkII
ZWOptical
ZWO 31mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II
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...
In stock (2) SKU: Z259-Ha7nmD36MkII
ZWOptical
ZWO 36mm H-alpha 7nm Narrowband Filter - UNMOUNTED - Mark II
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...
In stock (2) SKU: Z259-Ha7nmD36
ZWOptical
ZWO 36mm H-alpha 7nm Narrowband Filter - UNMOUNTED - SPECIAL PROMOTION
PROMOTION! 40% 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,...
In stock (2) SKU: Z256-NB7nmD36MkII
ZWOptical
ZWO 36mm H-alpha SII OIII 7nm Narrowband Filter Set - UNMOUNTED - Mark II
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...
In stock (2) SKU: Z262-OIII7nmD36MkII
ZWOptical
ZWO 36mm OIII 7nm Narrowband Filter - UNMOUNTED - Mark II
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...
In stock (2) SKU: Z265-SII7nmD36MkII
ZWOptical
ZWO 36mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II
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...
In stock (2) SKU: B2H-0125
TELEVUE
TeleVue Bandmate Type 2 H-beta Premium Visual Nebula Filter 1.25-Inch
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.
In stock (2) SKU: B2N-0125
TELEVUE
TeleVue Bandmate Type 2 Nebustar UHC Premium Visual Nebula Filter 1.25-Inch
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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SKU: B2N-0200
TELEVUE
TeleVue Bandmate Type 2 Nebustar UHC Premium Visual Nebula Filter 2-Inch
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...
In stock (2) SKU: B2O-0125
TELEVUE
TeleVue Bandmate Type 2 OIII Premium Visual Nebula Filter 1.25-Inch
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.
Ask about stock
SKU: B2O-0200
TELEVUE
TeleVue Bandmate Type 2 OIII Premium Visual Nebula Filter 2-Inch
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.
In stock (5) SKU: 365902
365ASTRONOMY
365Astronomy 2" to 1.25" Filter Adapter
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.
In stock (5) SKU: OWL-SPARE-FILTR-CASE
OPTOLONG
White Transparent Plastic Case for DEO-Tech OWL Spare M52 or M48 Filter Holder
It's a more or less transparent, white plastic case for one DEO-Tech OWL Spare M52 or M48 Filter Holder. Could aslo be used to hold a 2" filter.
In stock (2) SKU: FIPA92
Teleskop Service
White Transparent Plastic Filter Case 92x92mm, 25mm depth
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.
In stock (5) SKU: 365401
365ASTRONOMY
365Astronomy OIII Deepsky Filter, 1.25"
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.
In stock (3) SKU: 365402
365ASTRONOMY
365Astronomy OIII Deepsky Filter, 2"
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.
In stock (2) SKU: Castell-DCLS1
Castell
Castell CLS (City Light Supression) Filter, 1.25"
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...
In stock (2) SKU: Castell-DCLS2
Castell
Castell CLS (City Light Supression) Filter, 2"
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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SKU: Castell-Doiii2
Castell
Castell OIII Deepsky Filter for 2-Inch Eyepieces
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...
In stock (5) SKU: Castell-Duhc2
Castell
Castell UHC Ultra High Contrast Deep Sky Filter, 2"
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...
In stock (2) SKU: Castell-DUHC1
Castell
Castell UHC Ultra High Contrast Filter, 1.25"
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...
In stock (2) SKU: 2458398
Baader Planetarium
Baader 1 1/4" Semi APO Filter (Phantom Coating Group)
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...
Low stock (1) SKU: 2458385
Baader Planetarium
Baader 1'/4" IR-PassFilter (685 nm) (optically polished)
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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SKU: 2458295
Baader Planetarium
Baader 1.25" Methane Narrowband Filter 8nm ZWL 889nm (optically polished)
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...
Low stock (1) SKU: 2458395A
Baader Planetarium
Baader 1.25" Narrowband OIII Nebula Filter 10nm HBW
THE PROFESSIONAL NEBULA FILTER! Baader 1'/4" Narrowband OIII Filter, (10nm HBW) Optically PolishedThe non plus ultra for visual deep-sky observers, offering the highest performance of all nebula filters, especially...
In stock (3) SKU: 2458415
Baader Planetarium
Baader Clear Focusing Filter 1.25"
Baader Clear Focusing Filter 1.25" Please CONTACT US for availability information! ...
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SKU: 2458420
Baader Planetarium
Baader Clear Focusing Filter 50.8mm Round
Baader Clear Focusing Filter 50.8mm Round Please CONTACT US for availability information! ...
In stock (2) SKU: 2458421
Baader Planetarium
Baader Clear Focusing Filter 50x50mm Square
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...
Low stock (1) SKU: 2458360
Baader Planetarium
Baader Contrast Booster Filter 1'/4" (Phantomgroup Coated)
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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