Astronomy Filters

23 Matching Products Displaying Page 1 of 2

Sky-Watcher Moon Filter
4.5

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

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Sky-Watcher Moon Filter

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Optical Vision 1.25 Inch Light Pollution Filter
5.0

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,

In Stock
£21.99

1x Optical Vision 1.25 Inch Light Pollution Filter

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Optical Vision 1.25 Inch Light Pollution Filter

Celestron Moon Filter
4.5

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.

Awaiting StockSave £2
£10.00RRP £12.00

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Celestron Moon Filter

Optical Vision Lunar/Planetary Filter Set

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.

Usually 5-7 Days
£32.99

1x Optical Vision Lunar/Planetary Filter Set

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Optical Vision Lunar/Planetary Filter Set

Optical Vision 1.25 Inch Variable Polarising 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

Usually 5-7 DaysSave £5
£24.99RRP £29.99

1x Optical Vision 1.25 Inch Variable Polarising Filter

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Optical Vision 1.25 Inch Variable Polarising Filter

Optical Vision 1.25 Inch O-III Narrowband Filter
4.0

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.

Usually 5-7 Days
£44.99

1x Optical Vision 1.25 Inch O-III Narrowband Filter

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Optical Vision 1.25 Inch O-III Narrowband Filter

Optical Vision 2 Inch Light Pollution Filter
5.0

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

Usually 5-7 Days
£31.99

1x Optical Vision 2 Inch Light Pollution Filter

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Optical Vision 2 Inch Light Pollution Filter

Baader Contrast Booster 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.

Usually 5-7 DaysFree delivery available
£69.00

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Baader Contrast Booster Filter

Optical Vision 1.25 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.

Usually 5-7 Days
£44.99

1x Optical Vision 1.25 Inch Ultra High Contrast (UHC) Filter

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Optical Vision 1.25 Inch Ultra High Contrast (UHC) Filter

Baader Neodymium + IR Cut-Off (Moon + Skyglow)

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

Usually 5-7 DaysFree delivery available
£69.00

1x Baader Neodymium + IR Cut-Off (Moon + Skyglow)

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Baader Neodymium + IR Cut-Off (Moon + Skyglow)

Optical Vision 2 Inch Ultra High Contrast (UHC) Filter
5.0

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

Usually 5-7 DaysFree delivery available
£69.99

1x Optical Vision 2 Inch Ultra High Contrast (UHC) Filter

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Optical Vision 2 Inch Ultra High Contrast (UHC) Filter

Optical Vision 1.25 Inch Clear Sky 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

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Optical Vision 1.25 Inch Clear Sky Filter