EOS3 battery drain w/70-200 IS

Discussion in '35mm Cameras' started by Donald Specker, Apr 13, 2006.

  1. Grabbed my EOS3 today, which had a fairly new battery, and it was deader
    than a doornail. My 70-200 IS was attached for the past few weeks, but the
    camera's on-off switch was off. Does the lens draw current from the body's
    battery when the body is off but the lens' IS and AF stwitches on?

    Donald Specker, Apr 13, 2006
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  2. Donald Specker

    Mark² Guest

    Only if you have a defective camera.
    My EOS 3 has never had such a problem.

    Mark², Apr 13, 2006
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  3. When new, my EOS3 drained its 2CR5 battery when "off" and it didn't need the
    assistance of a lens. Eventually got it repaired, and it's a totally
    different camera. You could try reversing the 2CR5 in its holder when you
    put the camera away.
    Seem to remember that this was a known "issue" with a significant number of
    Malcolm Stewart, Apr 13, 2006
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