PetKal wrote:
Jeff, I do not think you\'d need 1.4xTC on your 5DMkIII in order to match the reach of 7D. At low ISO they are similar inreach, however beyond ISO 1600, 1DMkIII starts to slay 7D.
Heck, I\'ve got so much reach with 1DX, I will be soon downgrading my lenses from 500mm to 400 mm.
Thanks Peter, you are talking about pixel quality and I agree. I\'ve always kept my 100-400 on a crop camera for the extra reach, but I\'ve also noticed that my 100-400 images look so much better when a 5D takes them. So f8 AF gives me the choice of optical reach on the 5D3 equal to pixel density reach on the 7D. A back of the envelope comparison is 5184 7D pixels X 1.6 vs 5760 5D3 pixels X 1.4 or 8294 vs 8064 PDUs (pixel per duck units) or approximately equal. The question is which will yield the better image given that the 5D + 1.4x will be one stop darker. I\'m betting at least equal.
Feb 21, 2013 at 03:23 PM
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