Archibald wrote:
> People regularly re****t that there is variance in the performance of
> Sigma lenses. Canon lenses ALSO vary, and I'm sure Nikon does too...
> so the lens you buy might be a dud.
>
> I've even heard that some pros will buy 6 copies of a lens, like a
> 500mm, test them, and then return 5, keeping the best one.
Yeah, I bought one 500/4L IS USM and I really got a winner on my first
try!
I ended up selling the piece of **** and got the Nikkor version for $2K
more.
> How the heck can a person evaluate a new lens purchase to find out if
> it is a good copy, without having an optics lab... and objectively
> (without subjective guesswork)? Can ordinary folks do this, or do you
> have to be some kind of expert?
Just buy Nikon lenses.
Rita
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