Three good points omitted from my posting.
In addition:
(a) Frequent use of the viewfinder illuminator in low lighting situations
significantly reduces battery life. I've chewed up some batteries in an
OM-2S using this feature to check shutter speed while shooting available
light in dimly lit blues clubs.
(b) Leaving the audible "beeper" on also consumes power; how much I don't
know. I turned them OFF on both an OM-2S and OM-4 when I bought them. For
those without the manual, rotating the self-timer switch in the opposite
direction as you would to activate the self-timer turns the audible beeping
off. This applies to the OM-2S, OM-4 and OM-4T with electronic
self-timers. Don't know about the OM-3[ti].
-- John
At 02:06 AM 6/16/03, Jez wrote:
My OM4 cells last 3-6 months but they're not so expensive that I'd avoid an
OM4.
The other things that probably cause my cells to expire prematurely are:
- frequent use of self-timer (I prefer s-t than cable-release on tripod)
- frequent long exposures (f/22 + Velvia + pol-filter = multi-second
exposures)
- leaving T-32 on camera, powered up ready for that grab-shot (ready light
powered by OM cells)
best regds
Jez
(ps - measurements show it consumes 22uA in 'off mode' which is considered
to be in the 'normal' range)
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