Re: [Leica] R8-9 question for long exposures

[Dennis Painter <dennis@hale-pohaku.com>]

langhans wrote:

> I was anticipating a lightning storm and got thinking - on the R8, is there
> battery drain when you set the shutter to B and expose for long periods of
> time, or is the battey used just to open and close the shutter and not keep
> it open?  I sometimes like to take star trails for a few hours.
>
> This might also apply to the M-7.
>
> Aram

I think all electrically timed shutters require a working battery to hold the
shutter open. I think this is a big issue with amateur astronomers using film
cameras on their telescopes. That may be pretty dead now with lots of them
converting to CCDs to image.

Regards,
Dennis


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