Originally Posted By: wfaulk
Okay, the Canon link makes sense, and it is diffractive, but the reason that it saves weight is far different from the reason that a Fresnel lens saves weight.

Yes, there's no fresnel lens in there, I seem to understand.

EF 70-300mm f/4.5-5.6 DO IS USM sells for 1100 Euros here. 700 Euros for used ones from some eBay Top Sellers. Would you guys buy a used lens on eBay?


Edited by taym (16/10/2010 21:08)
Edit Reason: Price
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