Any mft's shooters thinking of jumping ship for FF nex

Started Jul 22, 2013 | Discussions thread
dougjgreen1 Veteran Member • Posts: 4,068
Sorry, you're wrong - if the FOV and aperture are constant

There is no way to make a telephoto lens for a Full frame camera with the same field of view and the same max aperture as a m4/3 lens that is not larger than the m4/3 lens.

First of all, the focal length is doubled - and thus, the diameter of the same apertureon that longer focal length is doubled.  So a first order estimate is that the entire light pipe of a full frame lens will be approximately 8 times Pi times the volume of the equivalent FOV and aperture micro 4/3 lens

Compare your average 200mm f2.8 lens to your average 100mm f2.8 lens to get an idea about the size differential.

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