I took some time to test my OM-2 with a 2-4 screen in it. Making sure the meter
centered properly with a 1-13 screen first, I then checked the accuracy after
modifying the 2-4 screen to fit.
At BV 15 (asa 100, at 1/1000,meter should read 5.6) meter underexposes by 1/2
stop
(needle is 1/2 stop high in finder),
BV 12 (asa 100, at 1/125, meter should read 5.6) underexposure 1/3 stop.
BV9 (asa 100, f5.6, 1/15th) 0 error.
BV 6 (asa 100, f5.6, 1/2 sec.) 0 error.
These exposure errors affect manual exposures only.
John
Camtech
http://www.zuiko.com
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