Eyepiece Accessories and Filters

33 Matching Products Displaying Page 1 of 3

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

Olympus EP-16 Large Eyecup for OM-D E-M5 Mark II

Find out more about the Olympus EP-16 Large Eyecup for OM-D E-M5 Mark II

The Olympus EP-16 is a spare or replacement large rubber eyecup for the Olympus E-M5 Mark II and E-M10 Mark II compact system cameras. As well as offering protection, the EP-16 eyecup adds additional comfort when looking through the viewfinder and helps to block stray light.

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£24.00

1x Olympus EP-16 Large Eyecup for OM-D E-M5 Mark II

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Olympus EP-16 Large Eyecup for OM-D E-M5 Mark II

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 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

1x Optical Vision 5 Position Filter Wheel

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Optical Vision 5 Position Filter Wheel

Optical Vision Field Flattener

Find out more about the Optical Vision Field Flattener

The Sky-Watcher Field Flattener is a superb quality, non-focal reducing field flattener optimised for DSLR imaging on refractor telescopes with focal ratios of between f/5.5 to f6.0. Will also provide much improved results on refractors with focal lengths narrowly outside this optimised f/range. Integral T-Ring adaptor thread. High quality CNC machined body with gloss black anodised finish.

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£95.00

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Optical Vision Field Flattener

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.

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£149.00

1x Celestron Reducer / Corrector f/6.3

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Celestron Reducer / Corrector f/6.3

Sky-Watcher M48 Field Flattener for Esprit 150

Find out more about the Sky-Watcher M48 Field Flattener for Esprit 150

Sky-Watcher M48 field flattener designed to optically match Esprit-150ED Triplet Refractor Telescope.Threaded especially for the Esprit-150ED with a M48 camera thread, with 2 multi-coated lenses housed in an aluminium body.

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£299.00

1x Sky-Watcher M48 Field Flattener for Esprit 150

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Sky-Watcher M48 Field Flattener for Esprit 150

Sky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal

Find out more about the Sky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal

The mirrors inside these diagonals have undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast (Standard diagonals typically reflect 90-95% of light).

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£89.99

1x Sky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal

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Sky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal

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

Sky-Watcher 90 Degree Star Diagonal

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

A 90 degree Star Diagonal designed to fit 1.25”/31.7mm focusers and eyepieces, designed to give a more comfortable viewing position over extended periods.

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£35.99

1x Sky-Watcher 90 Degree Star Diagonal

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Sky-Watcher 90 Degree Star Diagonal