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

A fantastic quality wide angle eyepiece with a field of view of 70°.

These finderscopes make alignment and locating objects a breeze with the 2 point adjusters.

The brand new RVO Horizon® Finder/Guide scope. Guide with ease with this superb combination finderscope. This high quality 50mm Horizon Guide comes complete with a 24mm illuminated reticle eyepiece, bracket with 6 point delrin tipped adjusters on a vixen style clamp

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.

ASI071MC Pro has been redesigned from the inside out, using a larger 86mm shell to accommodate bigger boards and internal devices.

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.

This new model from ZWO, the ASI294 is the first camera in the world that is equiped with SONY's latest 4/3" sensor, the IMX294CJK.

This useful 2" filter drawer features M42 / 0.75 external thread (camera side), M48 / 0.75 internal thread (telescope side) and M48 / 0.75 internal thread filter drawer.

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

Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae (see filter plots).

Vespera II embodies the seamless fusion of a camera and a telescope, condensed in an all-in-one, user-friendly portable device, allowing anyone to connect with the stars.

With Vespera II, you can both conduct live observations and capture stunning photos of the Universe you'll be proud to share.

Vespera II embodies the seamless fusion of a camera and a telescope, condensed in an all-in-one, user-friendly portable device, allowing anyone to connect with the stars.

With Vespera II, you can both conduct live observations and capture stunning photos of the Universe you'll be proud to share.