7D or 5Dmkii - same discussion, with a twist

Started Jul 11, 2012 | Discussions thread
qianp2k Forum Pro • Posts: 10,350
Re: 7D or 5Dmkii - same discussion, with a twist

ultimitsu wrote:

MAC wrote:

You'd have to spend lots of $ for prime glass to take advantage of FF.

No, it is the reverse. you need to spend less on lens to get the same result with FF than APS-C, because it collects more light and gives better blur for the same given focal length.

Very true, any lenses that can be used on both formats perform better on FF. A slightly inferior lens more likely performs better on FF than a slightly superior lens on crop. It's pretty obvious that crop sensor unable to take advantage of better lens as effective as on FF sensor.

The same as you don't need the best lenses to take better pictures on a 36mp camera than on a 21mp camera. The same lens performs better on the former than on the latter on a given size of output - screen or print.

However you do need good lenses to fully take advantage of 21mp FF or 36mp FF cameras. After of all, you don't compare them to a crop camera on 8x6" print or 800 pixel wide but on 30x20" or 60x40" prints or view at 3000, 4000 or 5000 pixel wide.

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