iOptron H27 & H44 Counterweight Bar with Safety Lock - 8456SL 50 mm Telescopes The EdgeHD optical system combines

The EdgeHD optical system combines all of the compact power popularized by the SCT with an improved high definition optical system for wide field

and a calibration ruler is included for accurate measurements

making it great for wildlife observing

About the Baader 21mm Hyperion Modular Eyepiece - 1

Compatible with a wide variety of Celestron Schmidt-Cassegrain

iOptron H27 & H44 Counterweight Bar with Safety Lock - 8456SL 50 mm Telescopes The EdgeHD optical system combinesThis 7. 87 inch long counterweight shaft fits the iOptron HEM27, CEM26 or GEM28 equatorial mount. It has a diameter of 20 mm and includes a safety locking screw. Dimensions: Diameter: 20 mm Length: 200mm Length including thread and safety locking screw: 224mm Thread Size: M16 2mm (both ends)