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Old 27-Nov-2006, 20:02
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YMFB YMFB is offline
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Bikes: R1200RT F800GS. Hopefully another Ducati soon
 
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Quote:
Originally Posted by Mutters
I think the factor is 1.6 and gives the apparent focal length of any lens on the digital body, when compared to the same lens on a 35mm film body. So a 50mm appears to be 80mm, a 300 appears to be 480 ( and my 17mm acts like a 27 @rse! ).

The newer digital canons have a smaller mirror set further back into the body and can take the EFS lenses. These are physically longer and so can use smaller rear lens elements and so are a bit cheaper to make. But they wont fit all cameras- my 30D takes them but my 10D won't.
HTH
so what happens if i use my old zoom lense, is it better/worse than before, do I need a longer lense for motor racing and if i do how do you tell whether its the old type or new. sorry for somany q's
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