How does a change in FL relate to a scalar change in FoV?

Started Jul 28, 2013 | Questions thread
Barrie Davis
Forum ProPosts: 21,460
Doubling f-length halves FoV and doubles linear subject size...
In reply to edu T, Jul 29, 2013

... just as moving forward to half the distance also doubles the linear size of the subject while halving the Field of View.

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