4" Clamshell Ring 2024 Eclipse Impact of polar alignment error

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

Based on our testing results

Layer blending modes    121

adjustable stainless steel tripods and quick release fork arms and tubes

4" Clamshell Ring 2024 Eclipse Impact of polar alignment errorFor 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