• 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Forums > Back > new article: Equivalent Focal-Length, Aperture and Speed of Camera Systems
Brightcolours
All-Star
*****
Joined: Apr 2010
Posts: 6,715

Reputation: 22
#35
08-25-2016, 06:54 PM
Quote: 

Way back in the late '60s my physics professor demonstrated mathematically that depth of field depended only on the relative image size and the focal stop in use.
And subject distance. And viewing distance. Wink But the last one does change the image size.
  Reply


Messages In This Thread
new article: Equivalent Focal-Length, Aperture and Speed of Camera Systems - by Brightcolours - 08-25-2016, 06:54 PM

Forum Jump:


Users browsing this thread: 4 Guest(s)