Ken M. wrote:
I have a black OM4T not OM4. I have carfully cleaned the contacts and whether
I put the f280 in the camera shoe or use the extention cord and operate it out
of the shoe, I always get "underexposed" blinking in FP MODE over 1/60th the
viewfinder but the f280 flashes. When used below 1/60th in TTL Auto seems to
work fine.
Also I notice that the OM4T has a green 'ready' light for the flash in the
books - my OM4T has a White LED. I assume that this is just a normal variation
in Olympus construction. Does this date my camera as beeing older or newer?
perhaps that some of the earlier OM4T's didn't work with F280?
I have an OM-4T which I bought in 91. The flash-ready light does not have a
strong green color. It has a faint yellowish green tint.
How did you test your F280 in the SuperFP mode? In order to expose properly,
your subject which the FP flash is illuminating has to be fairly close, a few
meters, although this depends on what kind of light you have to begin with. I
just tested mine in the room with color-corrected fluorescent light. I got an
"under" warning when I aimed my 4T toward a black object perhaps 4 meters away,
but when I aimed it toward a sand-colored file cabinet less than 3 meters away,
it flashed O.K. No film was loaded, so I don't know the accuracy of the
indication.
I did a few more tests after writing the above. My black object is a folded
projection screen about 8-10 cm wide. I did get an OK flash when my camera was
close at 1.5m, but at more than 2 meters, I got an "under" sign. Remembering
that in order to make the object black, one needs to underexpose by 2 2/3 stops
from the spot-metered value (the shadow button does this automatically), I set
the exposure compensation dial at two stops underexposure. I flashed with Super
FP, and I got an OK flash at more than 2 meters.
BTW, I did this testing with my 85mm/2 wide open and an ASA setting of 800 or
1600 so that the shutter speed exceeded 1/60 seconds in the room light at night.
As far as I know, every OM-4T should work properly with an F280.
Tomoko Yamamoto
Photographer, Composer, Soprano
mailto:tomokoy@xxxxxxxxx
Home Page: http://www.charm.net/~tomokoy/
Olympus Classifieds: http://ep.com/ep/csp.html?csp=1130
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