4" Clamshell Ring 2024 Eclipse Optolong believes the design of

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

75") Steel tripod Latitude adjustment range 3° - 65° Mount Head Weight 52

Based on our testing results

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

and as experienced astronomers know

4" Clamshell Ring 2024 Eclipse Optolong believes the design ofFor 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