| Buying a lens
I've recently bought a Canon 30d and plan over the next few months to extend my range of lenses.
I have heard of particular lenes being bad copies of that lens. What can I do in shop to test the lens I'm about to buy in order to sort the wheat from the chaff?
Specifically my next lens (next week maybe) will be the canon 100-400, so any information about this lens willl be great but general information will help also.
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Bob |