Gary's tests on the Zuikos and the Kiron showed that all of them had
reached max performance by f/8. When I do my comparison shots later
today I'll do one stop increments up to f/8. I'll also use the
neighborhood and hyperfocal or near hyperfocal distances so I don't have
any problem with manual focusing.
Chuck Norcutt
Moose wrote:
> priit@xxxxxxxxx wrote:
>
>>I have a Vivitar 28/2 which appears to be suspiciously similar to the
>>matching Kiron lens. Judging by pictures, the appearance is identical,
>>except for the lettering. Also, my lens has a serial number starting with
>>"22", which hints at being manufactured by Kino/Kiron - something I found
>>from the OM-list archives.
>
> Gary tested the Kiron 28/2
> <http://members.aol.com/olympusom/lenstests/default.htm>. It was less
> than stellar at f2, but C+ isn't 'that' bad. And it tested as absolutely
> first rate from f2.8 on.
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