Eyepiece Accessories and Filters
Refine Your Search
Refine by Price
Refine by Brand:
Refine by Customer Rating:
Eyepiece Accessories & Filters
We stock a range of filters and eyepiece accessories to meet your viewing and astro-imaging requirements.
Eyepiece Accessory & Filter Brands
62 Matching Products
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 basketOptical Vision 1.25 Inch Light Pollution Filter
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 StockSave £2
£10.00RRP £12.00
Celestron Moon Filter
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
Sky-Watcher Moon Filter
Find out more about the Sky-Watcher Cheshire Collimating Eyepiece
Cheshire Collimating Eyepiece.Designed to assist with the accurate collimation of a Newtonian reflector telescope.
Awaiting Stock
£28.99
1x Sky-Watcher Cheshire Collimating Eyepiece
This item is already in your basketSky-Watcher Cheshire Collimating Eyepiece
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
In StockFree delivery available
£149.00
1x Sky-Watcher Coma Corrector for Newtonian Reflectors
This item is already in your basketSky-Watcher Coma Corrector for Newtonian Reflectors
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
This item is already in your basketOptical Vision Lunar/Planetary Filter Set
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
This item is already in your basketOptical Vision 1.25 Inch Variable Polarising Filter
Find out more about the Kendrick Solar Filter for 130-140mm 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 £18
£47.00RRP £65.00
1x Kendrick Solar Filter for 130-140mm O.D
This item is already in your basketKendrick Solar Filter for 130-140mm O.D
Buy used from £35.00
Find out more about the Optical Vision Laser Collimator
This 1mW red laser collimating device boasts some of the best and most practical functions collimators can offer. A large display window allows the user to clearly see the face of the device. Whilst most other brand name collimators only have one setting, this has seven adjustable brightness levels. The 1.25" laser collimator comes complete with a removable
Usually 5-7 Days
£47.99
Optical Vision Laser Collimator
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
Baader Contrast Booster Filter
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 basketKendrick Solar Filter for 204-214mm O.D
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.
Special OrderSave £6Free delivery available
£119.00RRP £125.00
Celestron Reducer / Corrector f/6.3
Find out more about the Sky-Watcher 90 degree Erecting Prism
90 degree Erecting Prism designed to fit 1.25”/31.7mm focusers and eyepieces.Designed to give a more comfortable viewing position, and to correct upside down images.
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
This item is already in your basketOptical Vision 1.25 Inch Clear Sky Filter
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
This item is already in your basketOptical Vision 2 Inch Light Pollution Filter
Find out more about the Altair Lightwave 12mm Premium Long Eye Relief
The Altair Lightwave 12mm Premium Long Eye Relief features a flat, well corrected and wide 68 degrees apparent field of view. The user can enjoy expansive views of the Moon, planets and deep sky objects thanks to the 12mm focal length of the eyepiece. This is a very comfortable piece of equipment and the 20mm long eye relief allows the user to position
In StockFree delivery available
£114.00
1x Altair Lightwave 12mm Premium Long Eye Relief
This item is already in your basketAltair Lightwave 12mm Premium Long Eye Relief
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
This item is already in your basketOptical Vision 1.25 Inch O-III Narrowband Filter
Find out more about the Sky-Watcher 0.85x Focal Reducer/Corretor for Evostar-80ED DS-PRO
Designed for serious Astro-Imagersand optimised for the Evostar-80ED PRO, the Sky-Watcher 0.85x Focal Reducer/Corrector effectively reduces the telescope's focal length by a factor of 0.85x and provides much improved field-edge correction. Use in conjunction with Sky-watcher's M48 Canon or Nikon T-ring adaptors (product codes 20237 & 20238).
Usually 5-7 DaysFree delivery available
£199.00
1x Sky-Watcher 0.85x Focal Reducer/Corretor for Evostar-80ED DS-PRO
This item is already in your basketSky-Watcher 0.85x Focal Reducer/Corretor for Evostar-80ED DS-PRO
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
This item is already in your basketOptical Vision 1.25 Inch Ultra High Contrast (UHC) Filter
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
Usually 5-7 Days
£15.00
1x Baader Hyperion Eyepiece T-Adapter (M43/T-2)
This item is already in your basketBaader Hyperion Eyepiece T-Adapter (M43/T-2)
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)
This item is already in your basketBaader Neodymium + IR Cut-Off (Moon + Skyglow)
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).
Usually 5-7 DaysFree delivery available
£79.99
1x Sky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal
This item is already in your basketSky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal
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.
Special OrderFree delivery available
£265.00
1x Sky-Watcher M48 Field Flattener for Esprit 150
This item is already in your basketSky-Watcher M48 Field Flattener for Esprit 150
Find out more about the Baader AstroSolar Telescope Filter 120mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£75.00
1x Baader AstroSolar Telescope Filter 120mm
This item is already in your basketBaader AstroSolar Telescope Filter 120mm
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.
Usually 5-7 Days
£34.99
Sky-Watcher 90 Degree Star Diagonal
Find out more about the Baader 6 Colour Filter Set
The 1.25" Baader 6 Colour Filter Set comprises three longpass and three genuine bandpass filters, which act similar to a nebula filter, so that only a small portion of the visual spectrum is transmitted to emphasise certain planetary surface detail. All filters have standard 31.7mm eyepiece filter threads. The set consists of the following colours: dark
Usually 5-7 DaysFree delivery available
£215.00
Baader 6 Colour Filter Set
Find out more about the Baader AstroSolar Spotter Filter 65mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 Days
£37.00
1x Baader AstroSolar Spotter Filter 65mm
This item is already in your basketBaader AstroSolar Spotter Filter 65mm
Find out more about the Baader Astrosolar Spotter Filter 100mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£52.00
1x Baader Astrosolar Spotter Filter 100mm
This item is already in your basketBaader Astrosolar Spotter Filter 100mm
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.
Usually 5-7 DaysFree delivery available
£69.99
1x Sky-Watcher 2 Inch 90 Degree Star Diagonal
This item is already in your basketSky-Watcher 2 Inch 90 Degree Star Diagonal
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
This item is already in your basketOptical Vision 2 Inch Ultra High Contrast (UHC) Filter
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.
Usually 5-7 Days
£19.99
1x Olympus EP-16 Large Eyecup for OM-D E-M5 Mark II
This item is already in your basketOlympus EP-16 Large Eyecup for OM-D E-M5 Mark II
Find out more about the Baader AstroSolar Spotter Filter 115mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£56.00
1x Baader AstroSolar Spotter Filter 115mm
This item is already in your basketBaader AstroSolar Spotter Filter 115mm
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,
Usually 5-7 DaysSave £3
£36.99RRP £39.99
1x Optical Vision 2 Inch Variable Polarising Filter
This item is already in your basketOptical Vision 2 Inch Variable Polarising Filter
Find out more about the Optical Vision 1.25 Inch UV/IR Cut-Off Filter
This UV/IR cut-off filter blocks UV and IR rays to maintain the colour temperature you want, eliminating false colour fringes around bright stars. Offers a 99.9% light transmission rate for bright and clear images. Suitable for visual observations and for CCD photography. Threaded to fit standard 1.25” eyepieces.
Usually 5-7 DaysSave £5
£39.99RRP £44.99
1x Optical Vision 1.25 Inch UV/IR Cut-Off Filter
This item is already in your basketOptical Vision 1.25 Inch UV/IR Cut-Off Filter
Find out more about the Baader AstroSolar Spotter Filter 50mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 Days
£31.00
1x Baader AstroSolar Spotter Filter 50mm
This item is already in your basketBaader AstroSolar Spotter Filter 50mm
Find out more about the Baader Hyperion Finetuning-Ring 14mm
The Baader Hyperion 14mm Finetuning-Ring will allow you to easily change the focal length of your Hyperion eyepiece. The finetuning-ring has an outside diameter of 2” and is equipped with a male M48 thread on one end and a female M48 thread on the other. The ring simply attaches to the ring between the front negative element and the main body of the Hyperion
Usually 5-7 Days
£14.00
Baader Hyperion Finetuning-Ring 14mm
Find out more about the Baader T-2 Extension Tube 7.5mm
This Baader T-2 Extension tube enables you to extend the spacing between T-2 components (T threaded adapters and T-rings) by 7.5mm, in order to precisely suit your optical requirements. It features an internal T-2 thread on one side and a T-2 thread on the other.
Usually 5-7 Days
£16.00
Baader T-2 Extension Tube 7.5mm
Find out more about the Baader AstroSolar Spotter Filter 130mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£66.00
1x Baader AstroSolar Spotter Filter 130mm
This item is already in your basketBaader AstroSolar Spotter Filter 130mm
Find out more about the Sky-Watcher Twist Lock Adapter 2inch to 1.25inch
This metal Sky-Watcher Twist Lock Adaptor is an innovative 2"-1.25" low-profile helical self-centring eyepiece adaptor designed to securely grip your 1.25" accessories with its polypropylene compression ring, centring them in your 2" focuser. Furthermore, unscrewing the knurled locking ring exposes a male T-thread on the lower black barrel, which functions
Usually 5-7 Days
£29.99
1x Sky-Watcher Twist Lock Adapter 2inch to 1.25inch
This item is already in your basketSky-Watcher Twist Lock Adapter 2inch to 1.25inch
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
Usually 5-7 DaysFree delivery available
£85.00
Optical Vision Field Flattener
Find out more about the Baader Fringe Killer Filter
Baader's Fringe Killer filter minimises the blue fringing sometimes present in images, as well as any red fringing of 656nm or more. Light transmission remains good, so the image should still be bright and clear.
Usually 5-7 DaysFree delivery available
£72.00
Baader Fringe Killer Filter
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.
Usually 5-7 Days
£39.99
Sky-Watcher 45 degree Erecting Prism
Find out more about the Baader Semi APO Filter
This Baader semi-APO filter is for use with achromatic optics and is designed to cut down on the chromatic aberration and fringe aberration of achromat lenses; presenting a clearer, crisper image.
Usually 5-7 DaysFree delivery available
£70.00
Baader Semi APO Filter
Find out more about the Baader UHC-S / L-Booster Filter
This Baader UHC-S / L-Booster Filter has been produced to aid in deep sky viewing. Extraneous light is reduced and contrast is upped; increasing the visibility of nebulae and stars.
Usually 5-7 DaysFree delivery available
£70.00
Baader UHC-S / L-Booster Filter
Find out more about the Baader AstroSolar Spotter Filter 80mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass - this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 Days
£44.00
1x Baader AstroSolar Spotter Filter 80mm
This item is already in your basketBaader AstroSolar Spotter Filter 80mm
Find out more about the Baader AstroSolar Telescope Filter 100mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£67.00
1x Baader AstroSolar Telescope Filter 100mm
This item is already in your basketBaader AstroSolar Telescope Filter 100mm
Find out more about the Baader OIII Filter
The 1.25" Baader OIII Filter is specially designed for the observing the night sky and offers high contrast views of gas and planetary nebulae that are emitting light from narrow OIII wavelengths. For many objects, the Baader O-III reveals a level of intricate detail that rivals the best deep sky photographs, the Baader O-III perfectly isolates the two
Usually 5-7 DaysSave £7Free delivery available
£83.00RRP £90.00
Baader OIII Filter
Find out more about the Baader AstroSolar Telescope Filter 80mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£57.00
1x Baader AstroSolar Telescope Filter 80mm
This item is already in your basketBaader AstroSolar Telescope Filter 80mm
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
Usually 5-7 DaysSave £25Free delivery available
£129.00RRP £154.00
1x Optical Vision 1.25 Inch L-RGB CCD Filter Set
This item is already in your basketOptical Vision 1.25 Inch L-RGB CCD Filter Set
Find out more about the Baader AstroSolar Telescope Filter 160mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£92.00
1x Baader AstroSolar Telescope Filter 160mm
This item is already in your basketBaader AstroSolar Telescope Filter 160mm
Find out more about the Baader Hyperion Finetuning-Ring 28mm
The Baader Hyperion 28mm Finetuning-Ring will allow you to easily change the focal length of your Hyperion eyepiece. The finetuning-ring has an outside diameter of 2” and is equipped with a male M48 thread on one end and a female M48 thread on the other. The ring simply attaches to the ring between the front negative element and the main body of the Hyperion
Usually 5-7 Days
£16.00
Baader Hyperion Finetuning-Ring 28mm
Find out more about the Baader Single Polarising Filter
Astronomical polarising filters such as this are predominantly useful in lunar observation. Lunar images can appear overly luminous, with details lost in the glare. A polarising filter will cut down the glare and sharpen contrast, allowing you to pick out more details on the lunar surface.
Usually 5-7 DaysSave £6
£35.00RRP £41.00
Baader Single Polarising Filter
Find out more about the Baader AstroSolar Spotter Filter 150mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£79.00
1x Baader AstroSolar Spotter Filter 150mm
This item is already in your basketBaader AstroSolar Spotter Filter 150mm
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
Usually 5-7 DaysSave £15Free delivery available
£64.99RRP £79.99
1x Optical Vision 5 Position Filter Wheel
This item is already in your basketOptical Vision 5 Position Filter Wheel
Find out more about the Baader AstroSolar Telescope Filter 280mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£140.00
1x Baader AstroSolar Telescope Filter 280mm
This item is already in your basketBaader AstroSolar Telescope Filter 280mm
Find out more about the Sky-Watcher 0.85x Focal Reducer/Corrector for Evostar-120ED DS-PRO
Designed for serious Astro-Imagers and optimised for the Evostar-120ED PRO, the Sky-Watcher 0.85x Focal Reducer/Corrector effectively reduces the telescope's focal length by a factor of 0.85x and provides much improved field-edge correction. Use in conjunction with Sky-watcher's M48 Canon or Nikon T-ring adaptors (product codes 20237 & 20238).
Usually 5-7 DaysFree delivery available
£199.00
1x Sky-Watcher 0.85x Focal Reducer/Corrector for Evostar-120ED DS-PRO
This item is already in your basketSky-Watcher 0.85x Focal Reducer/Corrector for Evostar-120ED DS-PRO
Find out more about the Baader AstroSolar Telescope Filter 200mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£113.00
1x Baader AstroSolar Telescope Filter 200mm
This item is already in your basketBaader AstroSolar Telescope Filter 200mm
Find out more about the Sky-Watcher 2 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).
Usually 5-7 DaysFree delivery available
£109.00
1x Sky-Watcher 2 Inch Deluxe Di-Electric Coated 90 degree Diagonal
This item is already in your basketSky-Watcher 2 Inch Deluxe Di-Electric Coated 90 degree Diagonal
Find out more about the Baader Astrosolar Telescope Filter 140mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£84.00
1x Baader Astrosolar Telescope Filter 140mm
This item is already in your basketBaader Astrosolar Telescope Filter 140mm
Find out more about the Baader AstroSolar Telescope Filter 240mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£130.00
1x Baader AstroSolar Telescope Filter 240mm
This item is already in your basketBaader AstroSolar Telescope Filter 240mm
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.
Usually 5-7 DaysFree delivery available
£69.99
1x Optical Vision 2 Inch O-III Narrowband Filter
This item is already in your basketOptical Vision 2 Inch O-III Narrowband Filter
Find out more about the Baader AstroSolar Telescope Filter 180mm
Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Many ready-made filters stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar film
Usually 5-7 DaysFree delivery available
£103.00
1x Baader AstroSolar Telescope Filter 180mm
This item is already in your basketBaader AstroSolar Telescope Filter 180mm