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The best place for a wide range of Astronomical Telescopes, Binoculars, Spotting Scopes & Accessories.
We also have a loyalty point scheme for returning customers. Build your points up for discount on future purchases.
We stock a huge range of telescopes, binoculars and accessories from leading manufacturers such as Celestron, Skywatcher, Meade, Baader, Telrad, JMI, Seymour Solar, Moonlite, Astronomik and many more!
One of the largest displays of Astronomy equipment in the North. Come and see our large showroom with lots of stock on display. Please use our easy to navigate side menu to browse through our site and keep checking back for new products and specials which can be found below. If you have any queries, please call us or send us an email.
Rother Valley Optics are proud to introduce their Geoptik Nadirus 12" f/5 dobsonian. This is a one of a kind telescope. The dobsonian kit is made to a superb quality and finish by Geoptik in Italy. The telescope is then finished by our own specification and detail.
Eyepiece 1¼ "/ T-2 internal thread priced version with M 4 screw (alternatively: T-2 component # 08A)
1 x M4 clamp screw
Telescope side with T-2 internal thread
Eyepiece barrel 1¼ "with 36.4mm outer thread
Telescope side with 36,4mm outer thread
Focus side 1¼" internal diameter
To connect 1¼" eyepieces to Vixen & Takahashi
2" external thread to 1 ¼" internal thread reducter / eyepiece adaptor
Strong grip with 2 screws and bronze clamp ideal for the heaviest eyepieces or cameras
Additional T-2 thread on the 1 ¼" side allows connection of camera T-rings or T-2 adapter rings for the eyepiece.
Adaptor ring with 2" external thread and T-2 external thread
Internal 2" (M48) filter thread
Converts NexStar4 straight male thread into 2" SCT male thread
ETX Extension ring
Incl. 1¼ "filter holder
Holds all all Zeiss devices - with 68mm thread (with 19mm optical height)
Keeps all Vixen Optics - with 60mm thread on the focus tube (with 24mm optical height)
Keeps all Astrophysics refractors with 2.7 "thread (with 13mm optical height)
Converts 2" female into 2" male thread
Internal M48 Filter thread for 2" filter
Can be used to connect Baader Hyperion Mark III Zoom directly to a Baader Star Diagnol gaining adfitional backfocus by swapping ClickLock-clamp for this adaptor.
3.3" thread for C11 and C14
For connecting the 2" eyepiece clamp no. 2408140 (T-2 component #17) to C11 and C14 telescopes
A clear 50mm aperture
Filter holder with T-2 thread and M28.5 internal thread.
A continuous external T-2 thread with an internal 1¼" filter thread.
Adapter Ring 2" outer thread to T-2 internal thread
Advances T-2 male on 2" male
Only 1mm optical length!
Stop ring 1¼" for sliding onto 1¼" eyepieces barrel
Precise adjustment ring with 1¼" inner diameter and two screws
M42x1 internal thread with T-2 external thread
Transition adaptor for all Russian threaded M42x1 to the T-2 M42x0.75 thread. Allows 1¼" eyepiece tubes, cameras and the OPFA projection system to be connectable to Russian equipment.
Telescope side internal thread 43mm (Vixen)
Focuser side T-2 external thread
Shortest connection example for the Baader binocular to Vixen telescopes
Inner thread M42 x 0,75. T-2 Dustcap.
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