20d image size HELP

Started Nov 1, 2004 | Discussions thread
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20d image size HELP
Nov 1, 2004

Can someone help a newbie out?

I have read in a few posts about different lenses only producting certain sized images on the DSLR's, something about 1.6 crop? Then reading a post from a guy wanting a wider angle because his 18mm canon lens only produces 20-something size.

Also reading about some new sigma lens, an 18-50mm I beleive thats popular because it produces an ACTUAL 18mm image???
Am I making sense, if so, what does all this mean.
If I am not making sense-sorry for trouble.

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