Camera Obscura - how we really see things
Submitted by Jeff Buster on Tue, 05/07/2013 - 23:01.
How does a hole in the wall act as a lens?
How does the diameter of the hole in the wall act with regard to focal distance?
The image above has about a 4 foot focal distance.
Camera Obscura - lots to learn!
Image: George Samuel - about 3.5 minute exposure.
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