Ultra Light Dobsonian 500mm GENERATION II - telescope mechanics handcrafted in HUNGARY and GERMANY

Highly corrected 102mm air-spaced triplet apochromat (with three lenses) and aluminium tube and a 2.5" high-precision HEXAFOC focuser.

Prodigy is our new 3” robotic microfocuser. It includes the electronics and an accurate motor allowing you to precisely focus your telescope.

All Skywatcher f/5 (‘fast’) Newtonian Reflectors and Dobsonian models feature high-quality parabolic primary mirrors to eliminate spherical aberrations inherent in ‘fast’ focal length reflector.

Celestron’s signature orange-tube telescope combines advanced features and excellent optics in one easy-to-use system, the NexStar 4SE. It’s the perfect choice for your first serious telescope, offering striking views at an economical price.

The new PowerTank Lithium keeps the charge going for the astronomer on the go.

Mini Tripod for DWARF Smart Telescopes with Hydraulic Head.

We are proud to introduce the new Sky-Watcher Professional ESPRIT 3-Element ED apochromatic refractors. These are instruments of the highest quality with optical performance rivalling or exceeding similar telescopes of even the most famous high-end telescope brands.

An optical chain is as good as its weakest link. With the development of 82 degree Nagler and 100+ degree Ethos eyepieces, Tele Vue offers the largest, flattest and best corrected visual fields in the industry.

Genuine Celestron spart part for easy and reliable maintenance and repairs.

A high quality variable projection adapter.

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.

The ZWO LRGB 36mm filters have been specifically developed for ZWO deep sky imaging cameras like the ASI1600 and feature a small spectral gap to fight light pollution.

We’re excited to unveil the latest addition to our NYX harmonic mount series: the NYX-88, a compact mount designed to complement its larger sibling, the NYX-101.

We are proud to announce a superb new accessory that allows you to use your iOptron iPolar camera with the ZWO AM5n mount.

The ZWO 1.25″ IR 850nm Pass Filter is suitable for IR sensitive cameras.

ZWO Spare 2″ Filter Holder for FD-M42-II, FD-M54-II, FD-EOS and FD-Nikon Filter Drawers.

Original ZWO filter holder for the M42/M48 drawer. 1 pc supplied.

The Antlia HB-OIII filter is engineered specifically for night visual nebulae observation at a high contrast and Deep-sky astrophotography.

The Astrodon ExoPlanet-BB filter is optimised for transient discover, where BB stands for 'blue blocking'.

Chroma manufactures the highest quality astronomy filters with durable, sputtered hard coatings using single substrates of the best glass, eliminating the need for laminations.

Superior quality Chroma LRGB filteset available in either 1.25" mounted or 31mm unmounted.

Superior quality Chroma LRGB filteset available in either 1.25" mounted or 31mm unmounted.

The Light Pollution filters block specific wavelengths of urban lights such as the sodium and mercury vapor lamp spectrums. The yellow and orange glow of street lights is removed for urban photography at night