Quote:
Originally Posted by acropolite
One thing you will miss if you go full frame, is the reach of your telephoto lenses; the 1.6 crop factor of the 50D makes your 70-200 reach a whole lot further.
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Here's the way it was explained to me: One often reads this about the 1.6 crop factor effect, but the focal length of a lens does not change, whatever camera one uses with it. Therefore, the actual magnification or 'reach' of a particular lens remains the same.
The APS-C sensor merely crops the centre image, thereby giving a larger
apparent magnification.
What we're really talking about is the angle of view offered by a particular lens, which does change with a smaller sensor.