CELESTRON 17LB COUNTERWEIGHT FOR AVX, CGEM II & CGX OS-IP The heavy duty rack &

The heavy duty rack & pinion 3

The Symmetrical C5S variant's main purpose is to not exceed the central obstruction of reflecting telescopes with the camera located at prime focus

EQ6-R & NEQ6 mounts

25" barrel with 1

Customized for GM2000 series mounts

CELESTRON 17LB COUNTERWEIGHT FOR AVX, CGEM II & CGX OS-IP The heavy duty rack &The Celestron 17lb counterweight for the AVX, CGEM II & CGX mounts is designed for counterweight shafts with a diameter of 19mm and weighs 7. 71kg. Whether you are enhancing your mount setup or buying a replacement part, the counterweight is there to balance weight of the optical tube (OTA) and accessories on the other side of the Right Accession (RA Axis). If you add accessories to your telescope setup (ie camera, guider, etc), you may need to add