In a message dated 7/2/98 10:20:02 AM Pacific Daylight Time,
ulf.westerberg@xxxxxxxxxxxxxxxxxxxx writes:
<< C.H.Ling wrote:
>All OM4Ti owner here can try the following procedure to see if you have the
>same problem or not.
>
>Load your 4Ti with a piece of film, focus on a blank wall, adjust the
>aperture to let the exposure fall to below 1/60s. Set the memory on, note
>the reading on shutter speed. Fire the camera and check the memorized
>reading again. I think you will see around 1/3 to 1 stop different.
Tried this with my OM4 (which has the OM4Ti circuitry, BTW), and, no, my
readings before and after exposure are exactly the same, just below (one
dot) on 1/30 s on F2 with the 90 mm macro. I even performed it twice, same
result. Film was Fuji Sensia II Ulf Westerberg >>
Hi Ulf,
I reached the end of my Velvia roll yesterday trying CH's test so I reloaded
with Sensia II and ran yours at 1/30th sec.. Sure enough, NO change @ 1/30
sec. BUT, at 1/4 sec & 1/2 sec. YEP = + 2/3rd stop. This is 2/3 stop
difference from my test yesterday with the Velvia = + 1 1/3rd stop, but still
shows nearly the same results as C.H.Ling. It would be interesting if you can
run your test again at 1/4,& 1/2 sec.
It is starting to appear that our beloved Olympus OTF metering system is not
so hot after all, at least with Velvia. One and 1/3rd stops overexposure is
not acceptable at 1/4 sec. I agree with CH LIng, this should not be!
BW
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