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Re: [OM] 2-4 focussing screens for sale

Subject: Re: [OM] 2-4 focussing screens for sale
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Fri, 14 Nov 2003 08:50:52 -0500
It is possible to recalibrate the meter in the 2n to the 2 series screen but
the meter is not accurate with all lenses due to the way light rays come
through the 2 series screen and how much of that light reaches the cds cells
on either side of the eyepiece lens.   While the 2n (in manual) will be
accurate with 50s and wide angles, it starts to overexpose slightly with
100mm lens (+1/3 stop), 135 is +1/2, etc.  Auto exposure remains unchanged.

----------------------------------------------------
John Hermanson  www.zuiko.com
mail:  omtech@xxxxxxxxx
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121  Turnaround 4-5 weeks
----------------------------------------------------
----- Original Message ----- 
From: "Daniel Tan" <daniel.tan@xxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, November 14, 2003 12:37 AM
Subject: Re: [OM] 2-4 focussing screens for sale


> -----Original Message-----
> From: owner-olympus@xxxxxxxxxxxxxxx
> [mailto:owner-olympus@xxxxxxxxxxxxxxx] On Behalf Of JMeyers102@xxxxxxx
> Sent: Friday, 14 November 2003 7:27 AM
> To: olympus@xxxxxxxxxxxxxxx
> Subject: [OM] 2-4 focussing screens for sale
>
> <snip>
>
> One has had the tab trimmed down so that it will fit into an OM-1(n) or
> OM-2(n), as well as the OM-3 or OM-4.  Other than the alteration to the
> tab, it is
> in excellent condition. $30.00
> </snip>
>
>
>
> Is it possible to recalibrate a OM2n to read correct meter readings
> (manual and auto, but obviously not the auto light sensors) with a
> modified 2-screen put in?
>
> Daniel
>
>
>
> < This message was delivered via the Olympus Mailing List >
> < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
>
>



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