From NEX 7 to OMD EM5

Started Nov 2, 2012 | Questions thread
Tenken777 Contributing Member • Posts: 503
Re: Not true

zxaar wrote:

Tenken777 wrote:

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

Its a myth and not true.


m43 lense with 75mm of length.

on FF it has DOF of f2.8

50mm F2 on FF, length 43.64mm

covers FF but still much smaller than the above one.

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::> 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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