Canon EOS 7D Mark II Speculation

Started May 21, 2012 | Discussions thread
myphotographic
Forum MemberPosts: 70
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Re: Wishful thinking
In reply to mailman88, May 22, 2012

mailman88 wrote:

61 point AF won't fit in a cropped sensor body....very possible!

You could fit one if you really wanted to! You need room to fit the phase sensor itself, and a large enough secondary mirror to deflect the required light down to the unit.

In terms of physical millimeters, the spread of the focus points on a fullframe camera aren't that much bigger than on a crop; so while the mirrors would have to be enlarged, it's still not to the same size of a mirror required by a fullframe viewfinder.

IMO the question is more of business/economic will than a case of technical can't.

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Paul

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