Also . . . the shutter speed ring cannot be on the Red "B" or mechanical
1/60th. Those two shutter speed positions shut down the viewfinder
illuminator. Does the same on an OM-2S.
If you have an OM-4 or OM-2S, check it out. Move the shutter speed ring to
one of the electronically controlled speeds, then press the illuminator
button, then immediately turn the ring into the Red "B" or 1/60th. The
lamp will immediately go out.
This is a major reason the OM-4 and OM-2S should have the shutter speed
ring set to one of the two Red positions when stored in a camera bag. It
keeps the lamp from running the batteries down (very quickly) if the button
is accidentally depressed while it's in a bag.
-- John
At 21:41 4/17/01, Garth wrote:
At 01:55 PM 4/17/01 -0700, "Paul, the Catmaster" wrote:
[snip]
What is that little unmarked button for that sits to the right of the OM-4T
marking(as you are facing the front)?
Shipman says it is a viewfinder illuminator button, but I cannot get it to
do anything.
What is it, or how do you get it to work? Is the light bulb burned out or
something possibly?
Paul:
Yes, that's the viewfinder illumination button. The little light that
lights up for a few seconds when you push it is more than adequate for
nighttime illumination, but it's almost impossible to see in daylight or
bright room light. Check it in a dark room first. If your batteries are
good and you still can't see it, bummer. (Don't use it all the time,
either -- really sucks the power out of those little silver cells...)
By the by, when you press the button, it also makes the light-gathering
window at the front of the camera light up. Your subjects will think
they're being attacked by Cylons! ;-)
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