CELESTRON 17LB COUNTERWEIGHT FOR AVX, CGEM II & CGX OS-IP 4 mm Filter threads Threaded

4 mm Filter threads Threaded for 1

NOTE: It is not recommended to use the L-eXtreme with telescopes faster than f/4 as the H-Alpha transmission decreases significantly

25" barrel with 1

The readout noise rapidly drops between 25-30 (2

12V power cable with cigarette plug for EAGLE - 250cm

CELESTRON 17LB COUNTERWEIGHT FOR AVX, CGEM II & CGX OS-IP 4 mm Filter threads ThreadedThe 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