20MP vs. 20MP - comparing my 6D vs. 70D:

Started Nov 9, 2013 | Discussions thread
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Just another Canon shooter
Senior MemberPosts: 4,691Gear list
Re: Except for reach
In reply to Le Kilt, Nov 13, 2013

Le Kilt wrote:

Just another Canon shooter wrote:

Not much. With really long lenses, the resolution is limited by many factors like not being able to eliminate vibrations well, higher ISO at times (longer lenses are not terribly fast), too much air between you and the subject, etc. Then a cropped FF image would not be much different than an (already cropped) image from a crop camera with possibly a lower pixel density.

No, it's what's called pixels per duck, when the duck doesn't fill a FF sensor. If you get 10 Mpixels on your duck you will get more detail than with 4 Mpixels on it. Crop cameras like the 60D/70D/7D have a much higher pixel density.

So with the same lens, where the 70D puts 20 Mpixels, the 6D puts 7.8 Mpixels.

This only matters if there is more to resolve, and my point is that very often with long lenses, there is no much more.

And of course, there are higher mp FF sensors than Canon's.

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Canon EOS 5D Mark II Canon EF 15mm f/2.8 Fisheye Canon EF 35mm f/1.4L USM Canon EF 50mm f/1.2L USM Canon EF 135mm f/2.0L USM +4 more
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