Eyepiece Accessories and Filters

88 Matching Products Displaying Page 1 of 8

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 StockSave £2
£10.00RRP £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.

In Stock
£9.99

1x Sky-Watcher Moon Filter

This item is already in your basket

Sky-Watcher Moon 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 StockSave £1
£18.00RRP £19.99

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 OIII Filter

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

5 to 7 Day DeliverySave £11Free delivery available
£79.00RRP £90.00

1x Baader OIII Filter

This item is already in your basket

Baader OIII Filter

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).

In StockSave £10Free delivery available
£69.99RRP £79.99

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

This item is already in your basket

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

Sky-Watcher Cheshire Collimating Eyepiece
4.5

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.

In Stock
£25.99

1x Sky-Watcher Cheshire Collimating Eyepiece

This item is already in your basket

Sky-Watcher Cheshire Collimating Eyepiece

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.

In Stock
£30.00

1x Sky-Watcher Lunar/Planetary Filter Set

This item is already in your basket

Sky-Watcher Lunar/Planetary Filter Set

Optical Vision Laser Collimator
4.5

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

In Stock
£44.99

1x Optical Vision Laser Collimator

This item is already in your basket

Optical Vision Laser Collimator

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,

In Stock
£29.99

1x Sky-Watcher 1.25 Inch Variable Polarising Filter

This item is already in your basket

Sky-Watcher 1.25 Inch Variable Polarising Filter

Kendrick Solar Filter for 107-115mm O.D

Find out more about the Kendrick Solar Filter for 107-115mm 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 StockFree delivery available
£57.00

1x Kendrick Solar Filter for 107-115mm O.D

This item is already in your basket

Kendrick Solar Filter for 107-115mm O.D

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

This item is already in your basket

Optical Vision 2 Inch Ultra High Contrast (UHC) Filter

Altair Astro 2 Inch Dielectric Diagonal
5.0

Find out more about the Altair Astro 2 Inch Dielectric Diagonal

Whether you're looking to build a telescope system from scratch, or wish to upgrade your "kit" Star Diagonal, the Altair Astro 2 inch Dielectric Diagonal offers 99% reflectivity due to its multi-layer dielectric coatings, and extreme durability thanks to its CNC machined aluminium casing. The barrel is threaded for attaching additional filters, and it has

In StockFree delivery available
£66.00

1x Altair Astro 2 Inch Dielectric Diagonal

This item is already in your basket

Altair Astro 2 Inch Dielectric Diagonal