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Re: [OM] How many aperture blades on 50/2 macro?

Subject: Re: [OM] How many aperture blades on 50/2 macro?
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Sat, 12 Feb 2000 10:06:23 -0500
Uh, yea, okay, in my spare time ;-)

John
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----- Original Message -----
From: Giles <cnocbui@xxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Thursday, February 10, 2000 1:23 PM
Subject: Re: [OM] How many aperture blades on 50/2 macro?


>
> We nominate John H as tester and we supply him with someones 100mm f2.8,
> say Simon's.   John then disassembles it puts in a triangular aperture
> fashioned from thin copper, brass or whatever then he takes some test pics
>  of subjects with plenty of foreground to background transition.
>
> Then John does the whole thing again for square, pentagonal, hexagonal,
> septilateral, octagonal and round apertures.
>
> Then we send the set of slides round to interested list-whatnots and they
> then compile a report and submit it to the list.
>
> ;-)
>
> Giles
>
> Gregg Iverson wrote:
>
> > How do we test it?
> >
>
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>


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