APS-C IMAGE QUALITY VS fULL fRAME AT TESTING

Started Feb 24, 2013 | Discussions thread
Sovern Contributing Member • Posts: 907
Re: APS-C IMAGE QUALITY VS fULL fRAME AT TESTING

qianp2k wrote:

http://en.wikipedia.org/wiki/Crop_factor

Very simple that FF has 1.6x times less enlargement. The reason 100mm lens on Canon APS-C has the same FOV of 160mm lens on FF is thru digital magnification (or zooming) that has much bigger IQ impact than optical magnification. This is similar as optical zooming vs digital zooming in a camcorder.

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I think it's also dependent on how many MP's the sensor has. 18MP on a crop sensor is obviously MP crammed for just about any lens. On my 40D I get very high quality image noise out of my EF 85 1.8 and 40mm 2.8 since it;s not MP crammed.

I'm sure that a 26+MP FF sensor would out resolve most lenses as well.

There comes a point where a sensor is MP crammed though and I think that anything over 12MP on crop is pushing it.

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