> "Flemming Kristensen" <[EMAIL PROTECTED]>
> The difference between the two lenses was literally night and day. The
> image in the view finder was so much brighter with the faster 'L' glass.
> And the "AI" focusing seemed to work much more as I had expected it to
> in my EOS-3. I am guessing that the brighter image and clearer contrast
> served to enhance the camera's ability to track and focus in 'AI' mode.
Hi Flemming,
It's not only the fast f/2.8 aperture. You were comparing Ring-type USM
and Inner focus with Micro-USM and helical focus too.
Cheers
Julian Loke
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