Thread: I only just realised this about focal planes
View Single Post
  #2  
Old 26-07-2021, 06:07 PM
astro744
Registered User

astro744 is offline 		 
Join Date: Apr 2007
Posts: 1,244
Yes humans use afocal projection also now known as digiscoping.

See https://www.televue.com/engine/TV3b_page.asp?id=85
Reply With Quote