--- Rick Bilbro <[EMAIL PROTECTED]> wrote:
> I am considering this lens for a walkaround with no
> tripod lens, such as the
> zoo etc. I currently have a Canon 70-210/3.5-4.5 USM
> which I think takes
> real nice pictures. Will I be disappointed in the
> sharpness, etc with the
> 70-300IS? Does the IS slow things down as far as
> focusing speed?
This poor lens has an undeserved reputation, I think.
I used to own one, and was quite pleased with the
results. In the range up to 200 or so, I think it's
on par with your current lens. AT 300mm it's a bit
soft, but I don't think it's any worse than your lens
would be with a 1.4x 3rd party TC.
It does, however, have some real weaknesses. It's got
a micro USM motor, not ring USM like (I think) your
lens. AF is noticeably slower, but not because of IS.
The other drawback, if you like to use a polarizer,
is that the front element rotates during focus.
HTH,
=====
Bob Meyer
I wish I knew what I know now, when I was younger...
http://www.meyerweb.net/epson
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