f stop and crop sensors

Started May 11, 2010 | Discussions thread
acsmith Senior Member • Posts: 1,850
Your photography will be easier if you ignore the above.

If your photograph will be correctly exposed at f/8, 1/250 sec., ISO 100 with a FF sensor it will also be correctly exposed at that exposure on a APS-C or a 4:3 sensor. Your DoF will be equal to f/11 if you have a APS-C sensor or f/16 for a 4:3 sensor.

A. C.
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