Mar 17, 2015, 07:12
I have a Sony A77 ii and I am confused about the relationship between sensor size and the F rating for a lens. I understand the crop factor for the lens size i.e.. a 50mm lens is the equivalent of a 75mm but if the lens is a f2.8 should the f no be multiplied by the crop factor? Does this mean I am wasting money on fast lenses and are the manufacturers' giving wrong information?
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Messages In This Thread
F stops and sensor size - by JohnBax - Mar 17, 2015, 07:12
RE: F stops and sensor size - by EnglishBob - Mar 17, 2015, 08:44
RE: F stops and sensor size - by JohnBax - Mar 17, 2015, 11:11
RE: F stops and sensor size - by Rolf - Mar 17, 2015, 09:25
RE: F stops and sensor size - by MrB - Mar 17, 2015, 09:51
RE: F stops and sensor size - by Rolf - Mar 17, 2015, 10:22
RE: F stops and sensor size - by Rolf - Mar 17, 2015, 11:45
RE: F stops and sensor size - by JohnBax - Mar 17, 2015, 12:11
RE: F stops and sensor size - by Rolf - Mar 17, 2015, 13:46
RE: F stops and sensor size - by JohnBax - Mar 17, 2015, 14:00
RE: F stops and sensor size - by Rolf - Mar 17, 2015, 14:43
RE: F stops and sensor size - by EdMak - Mar 17, 2015, 15:44
RE: F stops and sensor size - by Rolf - Mar 17, 2015, 16:24
RE: F stops and sensor size - by EnglishBob - Mar 17, 2015, 17:54
RE: F stops and sensor size - by JohnBax - Mar 30, 2015, 16:07
RE: F stops and sensor size - by dave1712 - Mar 19, 2015, 10:00
RE: F stops and sensor size - by MrB - Mar 19, 2015, 15:02
RE: F stops and sensor size - by dave1712 - Mar 20, 2015, 02:14
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