Re: Sputnik at f32?

[Bob Clark <clark@xxxxxxxx>]

Joel Alpers wrote:
> 
> Greg Erker wrote:
> > 
> > Sam or any one else who's disassembled a Spud shutter:
> > 
> >   Any chance of modifying the Sputnik aperture
> > stop to get f32?  Perhaps that would improve
> > those bad-lensed Sputniks.
> > 
> > Greg
> 
> Some already do (though unmarked). Les Gehman is on vacation
> so he probably won't chime in until later, but he told me his
> goes to slightly beyond f/32.
> 
> We tried 2 or 3 that I had at the NSA table, and they went
> --just barely-- beyond f/22.  It's certainly possible
> that they could be modified. Les reports that he uses
> that regularly on his.
> 
> Joel.
> 
So how do you know if you've hit f/32?  Do you measure the
opening with calipers like Greg did with his Ricoh or is
there some other method?
-- 
Bob