View Single Post
  #1  
Old 14-03-2020, 01:21 PM
kon1966 (Kon)
Registered User

kon1966 is offline
 
Join Date: Apr 2008
Location: Villawood
Posts: 238
FOV Calculator website

This is interesting, rough 5 sec photo of orion ed80 with celestron SCT f6.3 reducer and eos 1100D camera compared to the FOV calculator using same settings.
Wonder what spacing they use to calculate the image square.
Attached Thumbnails
Click for full-size image (FOV calculator difference.JPG)
113.8 KB36 views
Reply With Quote