From NEX 7 to OMD EM5

Started Nov 2, 2012 | Questions thread
Tenken777
Contributing MemberPosts: 503
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Re: Not true
In reply to zxaar, Nov 3, 2012

zxaar wrote:

Tenken777 wrote:


2.) you can't change the laws of physics, bigger sensor requires bigger lenses

Its a myth and not true.

example

m43 lense with 75mm of length.

http://www.dpreview.com/products/panasonic/lenses/panasonic_leica_25_1p4

on FF it has DOF of f2.8

50mm F2 on FF, length 43.64mm

http://www.kenrockwell.com/konica/hexar-rf/50mm.htm

covers FF but still much smaller than the above one.

-- hide signature --

::> Knowledge is mother of efficiency.

But 75mm on m43 has equivalent FL of 150mm, 50mm on FF is only 50mm, not comparable

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