4" Clamshell Ring 2024 Eclipse 9 Focal Length (mm) 1200

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

adjustable stainless steel tripods and quick release fork arms and tubes

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

4" Clamshell Ring 2024 Eclipse 9 Focal Length (mm) 1200For 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