Noob - Understanding EF-S vs EF for future lens purchase

Started Jan 28, 2013 | Discussions thread
Olga Johnson
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Re: Noob - Understanding EF-S vs EF for future lens purchase
In reply to Illegal Mexican, Jan 29, 2013

Illegal Mexican wrote:

40mm will always be 40mm on any given camera, but a 40mm lens on a Full Frame camera is not the same as a 40mm lens on an APS-C camera.

40mm on FF is 40mm.

40mm on APS-C is actually 60-65mm.

No, it is still 40mm with some of the full frame edges cut out.

40mm on APC has the field of view as 64mm on full frame camera.

http://www.dpreview.com/glossary/optical/focal-length-multiplier

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Olga

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