Astronomy Filters

31 Matching Products Displaying Page 1 of 3

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.

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£9.99

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Sky-Watcher Moon 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.

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£10.00RRP £12.00

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Celestron Moon Filter

Sky-Watcher Lunar/Planetary Filter Set

Find out more about the Sky-Watcher 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.

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£30.00

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Sky-Watcher Lunar/Planetary Filter Set

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,

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£18.00RRP £19.99

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Optical Vision 1.25 Inch Light Pollution Filter

Sky-Watcher 1.25 Inch Variable Polarising Filter
4.0

Find out more about the Sky-Watcher 1.25 Inch Variable Polarising Filter

The Skywatcher 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,

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£29.99

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Sky-Watcher 1.25 Inch Variable Polarising Filter

SkyTech CLS Canon EOS Clip Filter

Find out more about the SkyTech CLS Canon EOS Clip Filter

The SkyTech CLS Canon EOS Clip Filter aids astrophotography on Canon AOS-C EOS cameras by blocking light pollution while allowing light from deepsky objects through. The CLS filter has a wide pass-band, giving a natural colour rendition, meaning it is ideal for areas with moderate light pollution such as in city outskirts or suburban locations.

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£59.00

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SkyTech CLS Canon EOS Clip Filter

Altair Astro Premium Neutral Density Moon Filter

Find out more about the Altair Astro Premium Neutral Density Moon Filter

The Altair Astro Premium Neutral Density Moon filter blocks 25% of the light passing through it removing excess glare from lunar images helping to bring out finer detail. Threaded to fit 1.25 inch eyepiece barrels.

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£15.00

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Altair Astro Premium Neutral Density Moon 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.

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£42.99

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

Optical Vision 1.25 Inch O-III Narrowband 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.

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£34.00Was £41.00

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 1.25 Inch Hydrogen-Alpha CCD Filter

Find out more about the Optical Vision 1.25 Inch Hydrogen-Alpha CCD Filter

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. Ideal for observing emission nebulae or objects that emit in the H-alpha region. Suitable only for CCD photography. Threaded to fit standard

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£49.99RRP £54.99

1x Optical Vision 1.25 Inch Hydrogen-Alpha CCD Filter

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Optical Vision 1.25 Inch Hydrogen-Alpha CCD Filter

Optical Vision 2 Inch O-III Narrowband Filter

Find out more about the Optical Vision 2 Inch O-III Narrowband Filter

The Sky-Watcher 2 Inch O-III 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.

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£60.00RRP £69.99

1x Optical Vision 2 Inch O-III Narrowband Filter

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Optical Vision 2 Inch O-III Narrowband Filter

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

In StockSave £13Free delivery available
£56.00RRP £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