I re-load film quite often, and now just put the lens cap on and advance to the
desired frame.  I used to adjust the shutter speed and aperture to minimize any
chance of stray light, but stopped that after I blew a real exposure by
forgetting to reset them.  My usual operating mode is "sunny 16 manual" if I
can get away with it, so this works fine.  Anything more than 5 stops
under-exposed won't register on the film anyway, and I don't point the lens at
the sun when I do this.  If you happen to have a date back on your camera, make
sure it's turned off, or it will try to put a new date on each frame.  If
you're using CF 4, as I usually do, there is no need to set the lens to MF, the
shutter will fire anyway.

Geoff Doane, Halifax, N.S.

Jim Davis wrote:
I thought the largest aperture idea would be better for less actual wear on

> the aperture, that is it wouldn't be opening and closing all the way each
> blank shot. I seriously doubt any light would enter with a lens cap on.
> Other than the wear on the aperture, I doubt any difference would matter in
> this case. However, setting on manual metering and manual focus is a really
> really good idea. If the mirror will lock up (maybe some bodies) that would
> be good to avoid wear on it as well.

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