Eyepiece Accessories and Filters

59 Matching Products Displaying Page 1 of 5

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.

In Stock
£12.00

1x Celestron Moon Filter

This item is already in your basket

Celestron Moon Filter

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.

Awaiting Stock
£9.99

1x Sky-Watcher Moon Filter

This item is already in your basket

Sky-Watcher Moon 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.

In Stock
£44.99

1x Optical Vision 1.25 Inch O-III Narrowband Filter

This item is already in your basket

Optical Vision 1.25 Inch O-III Narrowband Filter

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

This item is already in your basket

Optical Vision 1.25 Inch Light Pollution Filter

Baader Hyperion Eyepiece T-Adapter (M43/T-2)

Find out more about the Baader Hyperion Eyepiece T-Adapter (M43/T-2)

The Baader Hyperion Eyepiece T-Adapter enables you to attach cameras fitted with T-rings to Baader Hyperion eyepieces for eyepiece projection photography. It is suitable for use with Baader eyepieces with a 43mm thread - such as Hyperion fixed focal length eyepieces and the Mk III 8-24mm zoom eyepiece (but not the Mk II zoom eyepiece) - attaching to the

Special Order
£15.00

1x Baader Hyperion Eyepiece T-Adapter (M43/T-2)

This item is already in your basket

Baader Hyperion Eyepiece T-Adapter (M43/T-2)

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.

Special OrderFree delivery available
£69.00

1x Baader Contrast Booster Filter

This item is already in your basket

Baader Contrast Booster Filter

Kendrick Solar Filter for 204-214mm O.D

Find out more about the Kendrick Solar Filter for 204-214mm O.D

Experience unrivalled views of our nearest star with one of these fantastic solar filters. These fully-mounted filters are far safer and easier to use than 'solar film' as they are mounted in a frame which is securely attached over the end of your telescope or camera lens via thumb-screws. This not only means that the filter can be quickly and easily attached

In StockSave £15Free delivery available
£68.00Was £83.00

1x Kendrick Solar Filter for 204-214mm O.D

This item is already in your basket

Kendrick Solar Filter for 204-214mm O.D

Sky-Watcher 45 degree Erecting Prism
5.0

Find out more about the Sky-Watcher 45 degree Erecting Prism

Perfect for both astonomical and terrestrial observing, these fully-coated diagonals offer correctly oriented images with excellent sharpness and contrasts. Designed for 1.25 Inch/31.7mm focusers and eyepieces.

In Stock
£39.99

1x Sky-Watcher 45 degree Erecting Prism

This item is already in your basket

Sky-Watcher 45 degree Erecting Prism

Sky-Watcher Coma Corrector for Newtonian Reflectors

Find out more about the Sky-Watcher Coma Corrector for Newtonian Reflectors

This Sky-Watcher Coma Corrector is optimised for all Sky-Watcher fast-ratio f/5 Newtonian Reflectors / Dobsonians, with 2” focuser. Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unaltered. Supplied complete with necessary adaptors for visual use. For imaging use with a DSLR camera, a suitable M48x0.75

Special OrderFree delivery available
£149.00

1x Sky-Watcher Coma Corrector for Newtonian Reflectors

This item is already in your basket

Sky-Watcher Coma Corrector for Newtonian Reflectors

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

In StockSave £15Free delivery available
£64.99RRP £79.99

1x Optical Vision 5 Position Filter Wheel

This item is already in your basket

Optical Vision 5 Position Filter Wheel

Celestron Reducer / Corrector f/6.3

Find out more about the Celestron Reducer / Corrector f/6.3

This combination focal reducer and field corrector lens makes it possible to have a dual focal ratio instrument, without sacrificing image quality.If offers wide fields of view with any Schmidt-Cassegrain telescope and when used for astrophotography, it reduces exposure time by a factor of 3.

Awaiting StockSave £6Free delivery available
£119.00RRP £125.00

1x Celestron Reducer / Corrector f/6.3

This item is already in your basket

Celestron Reducer / Corrector f/6.3

Sky-Watcher 2 Inch 90 Degree Star Diagonal

Find out more about the Sky-Watcher 2 Inch 90 Degree Star Diagonal

A 2 inch 90 degree Star Diagonal which will accept 2 inch eyepieces directly. Comes complete with a 1.25 inch adaptor for 1.25 inch eyepieces.

In StockFree delivery available
£69.99

1x Sky-Watcher 2 Inch 90 Degree Star Diagonal

This item is already in your basket

Sky-Watcher 2 Inch 90 Degree Star Diagonal