Astronomy Filters
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Astronomy Filters
Choose from our broad range of astronomy filters, including solar, nebular, planetary contrast, moon and colour filters for your telescope. We stock astronomy telescope filters from Baader, Celestron, Kendrick and Sky-Watcher.
12 Matching Products
Find out more about the Sky-Watcher Moon Filter
Improves contrast and reduces glare on Lunar images. Item screws into 1.25" threaded eyepieces.
In Stock
£9.99
Sky-Watcher Moon Filter
Find out more about the Celestron Moon Filter
Celestron's Moon Filter is an economical eyepiece filter for reducing the brightness of the moon and improving contrast, so greater detail can be observed on the lunar surface. The clear aperture is 21mm and the transmission is about 18%. Screws on to the filter thread of any Celestron, or other manufacturer's 1.25 inch eyepiece.
Find out more about the Optical Vision 1.25 Inch Light Pollution Filter
The Sky-Watcher 1.25 Inch Light Pollution Filter is a contrast-enhancing anodised aluminium, optical glass filter designed to block out the wavelengths of light emitted by mercury-vapour light and other common causes of light pollution, whilst providing higher transmission at critical hydrogen-alpha and hydrogen-beta lines than competing filters. Bright, light-polluted skies appear much darker, ...
Awaiting Stock
£21.99
1x Optical Vision 1.25 Inch Light Pollution Filter
This item is already in your basketOptical Vision 1.25 Inch Light Pollution Filter
Find out more about the Optical Vision 1.25 Inch O-III Narrowband Filter
The Sky-Watcher 1.25 Inch O-III Narrowband Filter narrowband filter is specially designed for the observation of gas and planetary nebulae. It distinguishes different contrasts of the wavelengths of light that pass through, giving ideal conditions for the observation of faint super nova remnants and planetary remnants.
Special Order
£44.99
1x Optical Vision 1.25 Inch O-III Narrowband Filter
This item is already in your basketOptical Vision 1.25 Inch O-III Narrowband Filter
Find out more about the Optical Vision 2 Inch Light Pollution Filter
The Sky-Watcher 2 Inch Light Pollution Filter is a contrast-enhancing anodised aluminium, optical glass filter designed to block out the wavelengths of light emitted by mercury-vapour light and other common causes of light pollution, whilst providing higher transmission at critical hydrogen-alpha and hydrogen-beta lines than competing filters. Bright, light-polluted skies appear much darker, and ...
Special Order
£31.99
1x Optical Vision 2 Inch Light Pollution Filter
This item is already in your basketOptical Vision 2 Inch Light Pollution Filter
Find out more about the Optical Vision 1.25 Inch Variable Polarising Filter
The Optical Vision 1.25 Inch Variable Polarising Filter is a high quality anodised aluminium, optical glass variable polarising filter designed to reduce the amount of light entering your eyepiece. You can progressively dim the view when observing a bright object, such as the Moon or certain planets, to a level according to your needs, whilst increasing contrast, reducing glare and increasing the ...
Awaiting StockSave £5
£24.99RRP £29.99
1x Optical Vision 1.25 Inch Variable Polarising Filter
This item is already in your basketOptical Vision 1.25 Inch Variable Polarising Filter
Find out more about the Optical Vision Lunar/Planetary Filter Set
Enhance your viewing of the planets and the moon. Even a 3/4 moon can reflect enough light to strain the eyes, so the use of a moon filter helps to reduce the incoming light and will even improve the contrast. The coloured filters are matched to help improve the viewing of a number of the Planets, and even comets.
Awaiting Stock
£32.99
1x Optical Vision Lunar/Planetary Filter Set
This item is already in your basketOptical Vision Lunar/Planetary Filter Set
Find out more about the Optical Vision 2 Inch Ultra High Contrast (UHC) Filter
The Sky-Watcher 2 Inch Ultra High Contrast (UHC) Filter is the best all-around dark-sky nebula filter. This filter permits superb views of objects like the Orion, Lagoon, Swan and other extended nebulae. It performs well in smaller aperture instruments owing to its greater light transmission than the O-III, yet still suppresses light pollution well. Supplied with storage case.
Special OrderFree delivery available
£69.99
1x Optical Vision 2 Inch Ultra High Contrast (UHC) Filter
This item is already in your basketOptical Vision 2 Inch Ultra High Contrast (UHC) Filter
Find out more about the Optical Vision 1.25 Inch Ultra High Contrast (UHC) Filter
The Sky-Watcher 1.25 Inch Ultra High Contrast (UHC) Filter is the best all-around dark-sky nebula filter. This filter permits superb views of objects like the Orion, Lagoon, Swan and other extended nebulae. It performs well in smaller aperture instruments owing to its greater light transmission than the O-III, yet still suppresses light pollution well. Supplied with storage case.
Special Order
£44.99
1x Optical Vision 1.25 Inch Ultra High Contrast (UHC) Filter
This item is already in your basketOptical Vision 1.25 Inch Ultra High Contrast (UHC) Filter
Find out more about the Optical Vision 1.25 Inch UV/IR Cut-Off Filter
This UV/IR cut-off filter blocks UV and IR rays to maintain the colour temperature you want, eliminating false colour fringes around bright stars. Offers a 99.9% light transmission rate for bright and clear images. Suitable for visual observations and for CCD photography. Threaded to fit standard 1.25” eyepieces.
Awaiting StockSave £5
£39.99RRP £44.99
1x Optical Vision 1.25 Inch UV/IR Cut-Off Filter
This item is already in your basketOptical Vision 1.25 Inch UV/IR Cut-Off Filter
Find out more about the Optical Vision 5 Position Filter Wheel
This handy, time-saving device is a must-have for astronomers, for both visual and photographic use. Up to five filters can be installed in the threaded, numbered compartments, and each can be selected for your eyepiece or camera by simply rotating the inner wheel to any of the five click-stop positions. One compartment can be left empty for unfiltered viewing.
Special OrderSave £15Free delivery available
£64.99RRP £79.99
1x Optical Vision 5 Position Filter Wheel
This item is already in your basketOptical Vision 5 Position Filter Wheel
Find out more about the Optical Vision 2 Inch Variable Polarising Filter
The Skywatcher 2 Inch Variable Polarising Filter is a high quality anodised aluminium, optical glass variable polarising filter designed to reduce the amount of light entering your eyepiece. You can progressively dim the view when observing a bright object, such as the Moon or certain planets, to a level according to your needs, whilst increasing contrast, reducing glare and increasing the amount ...
Special OrderSave £3
£36.99RRP £39.99
1x Optical Vision 2 Inch Variable Polarising Filter
This item is already in your basketOptical Vision 2 Inch Variable Polarising Filter