Re: [OM] diffraction, aperatures, f-stops, extensions

[C.H.Ling]

I have no experience on the Zuiko 20mm macro, but I have seen a macro
book, the writer uses a lot of different gears, ranging from Leica to
Nikon to Olympus. He said the Zuiko 20mm's diffraction problem was
quite high which limited the use of smaller apertures.

C.H.Ling

"Dean C. Hansen" wrote:
> 

>     I have a lot to learn about optics--and the ways of this 20mm macro
> lens.  Anyone have any suggestions for using this guy?
> Many thanks,
> Dean

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