DescriptionCamera focal length vs crop factor vs angle of view.svg
English: Log-log graphs of focal length vs crop factor vs diagonal, horizontal and vertical angles of view for film or sensors of 3:2 and 4:3 aspect ratios. The yellow line shows an example where 18 mm on 3:2 APS-C is equivalent to 27 mm and yields a vertical angle of 48 degrees. Simulated bitmaps were derived from
File:1_times_square_night_2013.jpg.
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Short title
Camera focal length vs crop factor vs angle of view
Image title
Log-log graphs of focal length vs crop factor vs diagonal, horizontal and vertical angles of view for film or sensors of 3:2 and 4:3 aspect ratios by CMG Lee. The yellow line shows an example where 18 mm on 3:2 general APS-C is equivalent to 27 mm and yields a vertical angle of 48 degrees. Simulated bitmaps were derived from
http://commons.wikimedia.org/wiki/File:1_times_square_night_2013.jpg .