Well, if that's the case, then stopping down more won't be a big deal
with the 200.  That's nice to know.

Bob Rapp wrote:
> 
> Hi Shel,
>     Diffraction is the killer of images when stopped down. However, as the
> focal length increases, the effects of diffraction is less. Diffraction has
> about the same effect on quality lenses. For example, lens of 50 @ f8 is
> diffraction limited as a 200 @ f32.

-- 
Shel Belinkoff
mailto:[EMAIL PROTECTED]
http://home.earthlink.net/~belinkoff/
http://home.earthlink.net/~belinkoff/darkroom-rentals/index.html
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