At 11:11 27/01/99 -0500, you wrote:
>Paul you are absolutely right. I measured the camera at the bench with
>a 3.00V supply and this is what I measured on my used OM-4T:
>
>idle or M60: 6-8uA 6-7 years
>meter on: 650-670uA 28-30 days
>light on: 10mA 40-50 hours
>
>I don't know how many mA-hr the batteries are, but assuming
>400-500mA-hr, the batteries should last: with the light on 40-50 hours;
>meter on 28-30 days; idle 6-7 years.
SR44 -type silver oxides have a nomial capacity of 150mAh. I did similar
measurements on my OM-4 and OM-2SP and found the idle current was around
10uA, slightly more than the 4T. Michael Huber's OM-2SP book (Fountain
Press) has some interesting comments about batteries, and the relative
merits of AgO, Li and alkaline. Basically, he says "use AgO and change
them every six months".
Cheers
Richard
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