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[OM] 2 series screen quick question

Subject: [OM] 2 series screen quick question
From: usher99@xxxxxxx
Date: Fri, 19 Mar 2010 18:13:58 -0400
According to John, the correction for use in manual depends on focal 
length.  Even if the meter is adjusted  to read correctly for a 
2-series on a 1N or OM-2N for a 50mm,  by 100mm there is a 1/4 stop 
overexposure indication and 2/3 of a stop on a Z 180/2.8.
I believe there are errors on the short end too.  OTF metering is 
unaffected AFAIK.

Mike



So I know that the meter in an OM-1 and OM-2 will read 2/3 stop over
correct exposure when a 2 series screen is installed (ie will
underexpose by 2/3 a stop); and that the OM-2 measures all exposures
at speeds slower than 1/45 second OTF in auto mode; my question is,
will an OM-2n with a 2 series screen installed give accurate exposures
at all speeds in auto mode, or will it only give accurate exposures at
shutter speeds slower than 1/45 a second?  I have a modified 2-4
screen that I would like to install in my OM-2n, but if it results in
underexposure at faster speeds, I will put it in my OM-1n instead and
simply compensate the 2/3 a stop by using the ASA dial.

I happen to like the OM-2n's aperture priority, and don't really want
to have to use it manual mode in bright light.
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