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[OM] Re: OM lens mount to film plane distance

Subject: [OM] Re: OM lens mount to film plane distance
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Mon, 21 Apr 2008 09:30:20 +0800
Thanks for telling me that, actually, it is mostly luck. Confirming the 
focusing position mark is difficult. I made a few test and average them.

C.H.Ling

----- Original Message ----- 
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>

>
> ps:  The thin lens equation predicts 0.254mm extension between 10 and 5
> meters so your measurement is pretty good.
>
> Chuck Norcutt
>


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