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Ultra-sharp, ultra-clear, crisp image from the center all the way to the edge of the field of view. The 24mm Ultima Edge eyepiece features fully multi-coated optics and an 8- element lens design, maximizing light transmission.

This useful accessory kit contains everything necessary to get started in visual astronomy at a fraction of the cost of purchasing the items individually and should be considered with every telescope purchase.

The Focus Motor for SCT & EdgeHD provides electronic focusing for Celestron Schmidt-Cassegrain (SCT) and EdgeHD telescope optical tubes. With the focus motor installed, you can bring celestial objects into sharp, precise focus

The Ultima 80 mm offers a step up in aperture from the 65mm, offering 50% brighter images. The 80 mm refractor features excellent multi-coated optics packed into a portable and durable refractor design and it comes standard with a 20-60x zoom eyepiece.

With a 6.0° FOV, they are the perfect choice for anyone looking for a compact wide-field high power 32mm with ED optics and the latest multi-coatings for extra light transmission and colour contrast.

L-Para is a brand new dual narrowband 10nm light pollution filter. The FWHM of L-Para is 10nm for OIII (500.7nm) and H-Alpha (656.3nm) respectively.

Designed for serious Astro-Imagers. Optimised for the Evostar-72ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction.

Features stainless steel legs for maximum strength/stability

Magnificent comfort and great color correction, these binoculars are your ideal companion for hiking & camping, sports, birdwatching. Nitrogen filling makes them suitable for marine environments.

Brand new adjustable field flattener for the William Optics Zenithstar 61 OTA. This is a brand new 2019 item which is now in stock at Rother Valley Optics.

Brand new adjustable field flattener for the William Optics Zenithstar 73 OTA. This is a brand new 2019 item which is now in stock at Rother Valley Optics.

This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. WO Flat 6Alll will provide good illumination and flat field across 97% of full frame sized sensors.

Vantage spotting scopes are supplied with everything you need to get started. This 24-72× magnification Vantage spotting scope kits is designed to enhance your viewing pleasure.

Introducing iOptron iPolarTM - a high precision, easy to use electronics polarscope (e-PS). High precision and no need to physically see the pole star to obtain an accurate polar alignment.

This 10Micron 3″ Losmandy style clamp allows telescopes that use the standard wide 3″ Losmandy dovetail bar to be mounted on the GM2000.

The Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD 5) on unwanted wavelengths and the excellent transmittance characteristics found in the Antlia 3nm Pro.