Astronomy Filters

15 Matching Products Displaying Page 1 of 2

Celestron Moon Filter
4.7

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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£9.99

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Celestron Moon Filter

Sky-Watcher Moon Filter
4.7

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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£10.99

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Sky-Watcher Moon Filter

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 contrast, reducing glare and increasing the ...

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£27.99RRP £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 Light Pollution Filter
5

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, ...

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£23.99

1x Optical Vision 1.25 Inch Light Pollution Filter

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Optical Vision 1.25 Inch Light Pollution 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.

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£36.99

1x Optical Vision Lunar/Planetary Filter Set

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Optical Vision Lunar/Planetary Filter Set

Optical Vision 2 Inch Light Pollution Filter
5

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 ...

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£33.99

1x Optical Vision 2 Inch Light Pollution Filter

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Optical Vision 2 Inch Light Pollution Filter

Optical Vision 5 Position Filter Wheel

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 £10Free delivery available
£69.99RRP £79.99

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Optical Vision 5 Position Filter Wheel

Optical Vision 1.25 Inch O-III Narrowband Filter
4

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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£49.99

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 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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£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 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. Supplied with storage case.

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£49.99

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 2 Inch Variable Polarising Filter

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 Order
£40.99

1x Optical Vision 2 Inch Variable Polarising Filter

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Optical Vision 2 Inch Variable Polarising Filter

Optical Vision 1.25 Inch L-RGB CCD Filter Set

Find out more about the Optical Vision 1.25 Inch L-RGB CCD Filter Set

Designed for CCD astrophotography, the set includes Luminance-IR, Red, Green, and Blue CCD filters. The filters are resistant to humidity and scratching and set into a durable aluminium alloy threaded mounting ring. The red green and blue filters have been developed to closely match the natural colours of stars, planets and emission nebulae, whilst the luminance filter removes damaging haze and ...

Special OrderFree delivery available
£129.00

1x Optical Vision 1.25 Inch L-RGB CCD Filter Set

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Optical Vision 1.25 Inch L-RGB CCD Filter Set