--- Gunars Smerlins <[EMAIL PROTECTED]> wrote:
> I was working with both lenses and was shocked to
> see that angle of view of
> 28-135 at 100mm position and 100/2.8 makro is not
> the same. 28-135 at 100mm
> position is definitely wider.

Most modern zooms, especially wide to tele zooms,
actually change focal length as focus changes. 
Designing them this way allow them to be significantly
more compact.


=====
Bob Meyer
I wish I knew what I know now, when I was younger...

http://www.meyerweb.net/epson

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