"Louis" <llt@xxxxxxxxxxxxxxxx> wrote:
> Hello,
>
> I would like to know how many rolls of films can we shoot before changing
> batteries on an OM-4T.
This is really going to depend on your usage of the metering
system and is fairly film-consumption indepedent.
I would think the major current drainers are
(in decreasing amounts):
- Self timer (all that beeping and mirror lockup)
- display illuminator
- exposure memory (that winking led (or lamp?))
- OTF exposures (long exposures -> more drain)
- metering in general
If you want to extend your battery life, it's
good to do things like turn off the beeper (which I think
most people find annoying anyway) and keep the
camera in your bag on B or 60 so that the meter isn't
activated if the shutter button is bumped.
Personally, I find I get about a year's worth
of camera usage before my batteries go low (this on non-T OM4),
though I wouldn't call myself a heavy user.
duncan
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