Posted in Camera & Eye, Cool Sites, Technology on May 22nd, 2008
If you’re new here, you may want to subscribe to my RSS feed or get my latest posts directly in your mailbox. Thanks for coming to the Foo!Found a great paper by Canon on lens theory, which also explains the common terminology used in lens construction. The paper also includes an extensive collection of [...]
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Posted in Camera & Eye, Film on Nov 24th, 2007
Anyone familiar with photography knows about f-stops. Calculated as Focal Length divided by Diameter (of the front lens element). The smaller the value of the f-stop, the more light passes the lens, the shorter exposure time necessary, the narrower the depth of field, the lower ASA/ISO rating necessary.
Typical f-stop values are f/1.4, f/2, f/2.8, f/4, [...]
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