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This is a 20kg counterweight is for the 10Micron GM3000 equatorial mount, and is made from V2A Stainlees Steel.

This is a 20kg counterweight is for the 10Micron GM4000 equatorial mount, and is made from V2A Stainlees Steel.

Losmandy Style Side-By-Side dovetail system. Allows you to mount two telescopes side by side. The connecting bar is 15" long, .75" thick and allows 10" of separation between the two OTA's.

SV II Series.
In touch with nature.

The Imagic BGA VHD remains true to the original Imagic concept; lightweight, ergonomic with outstanding performance for its price level. The 8x42 VHD offers the outdoor enthusiast a genuine alternative to premium brands at a fraction of the price.

Celestron’s new EdgeHD reducers feature a custom 4-element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Unlike generic reducers, our premium reducers provide substantial back focus to accommodate an assortment of imaging accessories.

The 2.5" 94EDPH f/4.4 full-frame reducer is dedicated for Sharpstar 94EDPH astrograph. At one end of the reducer, there is M74×1 thread, tapped for the connection to the 94EDPH’s reducer

The highly portable Sky-Watcher AZ-GTiX Dual Saddle Alt-Azimuth Mount, with it's built-in Wi-Fi module, has been designed to be used with up to two telescopes and is controlled wirelessly with your Smartphone or Tablet

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power.

Baader H-alpha/O-III/S-II Narrowband Filterset – Precision Grade. 6.5 nm FWHM, recommended for optical systems from f/10 to f/3.5

The Takahashi 1.7x extender module for the FS-60CB. This module converts this popular short focal length telescope to an F/10 instrument which suits both the visual and imaging astronomer.

The brand new IDAS NBZ UHS is an ultra high speed dual narrowband filter ideal for fast optics such as RASAs and Hyperstars.

Baader Base Plate 400mm for Sidewings. Side wing, 400 mm long base plate, matching to # 2451558 Baader-Sidewings.

The 180mm PLUS support rings can be used with telescopes that have 180mm diameter tube like Takahashi TOA150. With these rings, you can broad the possibilities of use of this telescope as it becomes possible

The ZWO LRGB 2" filter set will be a good match for the ASI6200MM-PRO as it will provide a nearly perfect colour balance of 1:1:1 RGB, but it will also work well with other CMOS cameras, like the ASI1600MM-PRO and many more...

Telecentric systems are mainly used in H-alpha filters for solar observation, where the 1/100 lambda plane-parallel etalon in the H-alpha filter requires a perfectly parallel beam of light over the entire image.