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This iOptron Electric Focuser (eFocuser) is designed for the Astronz Ritchey-Chretien (RC) telescope dual-speed focuser. Now you can focus the telescope by pushing a hand controller button on your iOptron mount. it is compatible to most iOptron later version mounts

Linear Bearing 2" 10:1 Micro Focuser for Refractor86mm Specifications;• Flange outer diameter on telescope adapter: 86.4mm• Minimum focuser height (without 1.25" adapter but with base flange) = 107mm• Maximum focuser height (without 1.25" adapter but with base flange) = 158mm• Tube travel = ...

QFocuser comes in two versions: Standard Version and High Precision Version.The Standard version is designed to be installed on the side of the standard adjustment axis of the telescope focusing mechanism. This is the same with most focusers available in the market. The High Precision version is ins...

The 0.5x focal reducer provides a nominal reduction of 0.5 times and could screws on to any 1.25" eyepiece barrel. The actual focal length reduction will vary a little over or under 0.5x depending on where the focal reducer is placed exactly in the optical path.The reducer features 2-element fully m...

The 0.5x focal reducer provides a nominal reduction of 0.5 times. The actual focal length reduction will vary a little over or under 0.5x depending on where the focal reducer is placed exactly in the optical path.The reducer features 2-element fully multi-coated optical design and blacked lens edges...

0.75x Focal ReducerDesigned for Ritchey-Chretien telescopes, this two-element optical component reduces the scopes effective focal length by 0.75x. It enables a wider field of view and shorter exposure times for astrophotography.For example, it converts an f/8 scope to f/6 or an f/9 scope to f/6.75,...

Suitable for Newtonian telescopes from f/4 and slower.This coma corrector can be placed completely inside a 2" focuser and offers a high grade of correction and also a low degree of vignetting. The generous back focus of 70mm allows the use of off-axis-guiders.M48 thread connection for good field il...

This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9.25", 11" and 14" Schmidt-Cassegrain telescopesThis makes it possible to have a dual focal ratio instrument, without sacrificing image quality. The Reducer/Corrector makes the C5, C6, C8, C9.25 and C11 a f/6.3 telescope and the C14 a f/7 C14 telescope

An Ultra Lightweight Guide ScopeThe a 30mm f/4.3 (130mm FL) ultra-small telescope. It has no complex focal adjust system. Just rotate the front of the OTA and it provides fine focal adjustment. Once focus is achieved, the tube can be locked into position and there is not need to focus again unless t...

with bracket and baseThese are quality fully multi-coated crosshair 8x50mm achromatic finder scopes.Each comes with two dust caps and an O-ring to help the finder fit snugly into the dovetail finder scope brackets.The aluminum bracket comes with a dovetail foot that fits with GSO telescopes.

with bracket and baseThese are quality fully multi-coated crosshair 6x30mm achromatic finder scopes.Each comes with two dust caps and an O-ring to help the finder fit snugly into the dovetail finder scope brackets.The aluminum bracket comes with a dovetail foot that fits with GSO telescopes.

Right Angle Correct Image 8x50mm Finder with bracketThe GSO right angle achromatic finder scopes have a built-in Amici prism to provide a correctly oriented view not upside-down as with standard finders scope.These fully multi-coated lenses yield excellent image brightness, the finder scope includes an aluminum bracket with two thumbscrews for easy alignment.

A laser collimator for easy alignment of Dobsonian and Newtonian telescopes.The Newtonian laser collimator has a long 1.25" barrel and a machined rim for proper alignment. These very relevant parts of the laser's function are CNC machined. Has a 45° angled viewing port for easier viewing from the r...

This ring allows for very precise collimation for 8" Astronz/GSO Ritchey Chretien telescopes by letting you adjust the tilt of the focuser It only takes up 15mm of back focus.Spring loaded adjustment screw allows fine tuning. 2 locking screws ensure the focuser remains square once collimation is set.

Bright and easy to see green (532nm) laser pointer for Astronomy education use.This product is in stock. Due to restrictions, these orders are processed manually.If you would like to purchase this item, please , and one of the Astronz team will get back to you to complete your purchase.Designed for ...

The adapter enables any 2" focuser to take 1.25" eyepieces and accessories.Includes a twist top to ensure it is self centering and to give easy lock and release of eyepieces and accessories.

Schmidt-Cassegrain Thread to 2" AdapterAttaches to the rear cell of Schmidt-Cassegrain or Maksutov-Cassegrain telescopes.Presents a 2" barrel that will accept 2" accessories, like diagonals, barlows,. Includes brass compression ring with thumbscrew.

Thread: M28.5 x 0.6

Thread: M28.5 x 0.6

Size: 2" Colour: Red Transmission: 14%T Thread: M42 x 0.75

Thread: M42 x 0.75

Thread: M42 x 0.75

Thread: M42 x 0.75