4" Clamshell Ring 2024 Eclipse 3 T-thread spacers

3 T-thread spacers

the twist-lock cannot scratch or engrave the barrel of your eyepieces

Optolong believes the design of our L-eNhance filter is a technical innovation among filters

Impact of polar alignment error on tracking            35

9 Focal Length (mm) 1200 Secondary Diameter 48mm Secondary Obstruction (by diameter) 24% Secondary Obstruction by Area 6% Observational Info Dawes Limit 0

4" Clamshell Ring 2024 Eclipse 3 T-thread spacersFor TV 102 (iis), TV NP101 (is) or any telescope with outside tube diameter of exactly 4 inches. Finish matches focuser body and dew shield of current production telescopes. The bottom of the 4" Ring Mount attaches to any alt az or equatorial mount that uses a 1 4 20 attachment bolt The slot you see on the top of the TeleVue 4" Ring Mount allows you to attach Televue accessories like the Starbeam, Sol Searcher, or Quik Point finder This beautiful