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.
23 Matching Products Displaying Page 1 of 2
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.
In StockSave £2
£10.00RRP £12.00
Celestron Moon Filter
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,
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 Sky-Watcher Moon Filter
Improves contrast and reduces glare on Lunar images. Item screws into 1.25" threaded eyepieces.
Awaiting Stock
£9.99
Sky-Watcher Moon 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.
Special Order
£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 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
Special OrderSave £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 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
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 Baader Contrast Booster Filter
The Baader contrast filter booster will help sharpen up your stellar images, boosting contrast, emphasising lunar, Martian and Jovian surface details and cutting down on visible light pollution. The filter is especially useful in economy refractor telescopes, where it can aid in the correction of colour aberration.
Special OrderFree delivery available
£69.00
Baader Contrast Booster 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 Baader Neodymium + IR Cut-Off (Moon + Skyglow)
The Baader Neodymium + IR Cut-Off (Moon + Skyglow) filter drastically improves contrast for all reflector telescopes, without loss of brightness. The filter greatly intensifies surface details on Mars, Jupiter and Moon and enhances many deep sky galaxies and nebulae against the background sky. The Neodymium element greatly reduces glare and unwanted street
Special OrderFree delivery available
£69.00
1x Baader Neodymium + IR Cut-Off (Moon + Skyglow)
This item is already in your basketBaader Neodymium + IR Cut-Off (Moon + Skyglow)
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
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.
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 Clear Sky Filter
This filter 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 viewing them with your eyes, or capturing them with your camera. Suitable for visual observations and for CCD photography. Threaded to fit standard 1.25” eyepieces.
In StockSave £9
£35.00RRP £44.99
1x Optical Vision 1.25 Inch Clear Sky Filter
This item is already in your basketOptical Vision 1.25 Inch Clear Sky Filter