From: Robbi Pengelly <[EMAIL PROTECTED]>
> Secondly, how do the optics compare between Canon's "consumer" or
> "non-L" (which is correct?) 24 f2.8, 20 f2.8 USM and the "L" 24 f1.4? Is
> there that much difference between these lenses? What are those
> differnces specifically? The extra stop would be wonderful for my uses,
> but I'm not sure I can afford it at the moment. What is the difference
> between having a USM lense and a non-USM wide-angle lens?
For the L & non L range the main difference is the aperture. The L lens
offer w higher aperture.
You can also consider the new wide-angle lenses from Sigma the 20, 24 & 28mm
all at f/1,8 ! For the moment I haven't read any review but the lens are
very interesting !
You have also an Canon EF 28mm f/1,8 USM
-- PhOTo -- vOYaGe -- GrAPhiSMe --
Portail : http://perso.magic.fr/drocha
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