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**Sliliashdes** · 02-26-2011, 08:59 PM

The T2i is a crop body, meaning it has an APS-C sensor. It is a smaller sensor than a full frame (ie. 5D series, 1Ds series). Due to the smaller sensor size, you don't "capture" as much image, so everything will look a bit more "zoomed in" (pictures that you would capture in full on a full frame will be cropped on the APS-C sensor).

So if a 200mm focal length on a full frame will be 200mm, on a crop body it will be 1.6x the focal length. So really, the effective focal length "view" on a crop body will be 320mm rather than 200mm as the image will be cropped off more due to the smaller size.

POTN means photography on the net, it's a popular Canon-based photography forum.

02-26-2011, 08:59 PM	#7
Sliliashdes Join Date Oct 2005 Posts 375 Senior Member	The T2i is a crop body, meaning it has an APS-C sensor. It is a smaller sensor than a full frame (ie. 5D series, 1Ds series). Due to the smaller sensor size, you don't "capture" as much image, so everything will look a bit more "zoomed in" (pictures that you would capture in full on a full frame will be cropped on the APS-C sensor). So if a 200mm focal length on a full frame will be 200mm, on a crop body it will be 1.6x the focal length. So really, the effective focal length "view" on a crop body will be 320mm rather than 200mm as the image will be cropped off more due to the smaller size. POTN means photography on the net, it's a popular Canon-based photography forum.
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