F. Craig Callahan wrote:
> Terry Danks wrote:
>
> > As Keith states, some EOS3s experience a complete drain of battery power
>> whenever a lens is left mounted on them despite the body switch being
>> left in the off position. In my case it was the EF300/2.8 L IS but I
> > never considered it was a problem that occurred only with the "super-
>> teles" as he relates.
>
> My EOS 3 was manufactured in March 1999, and bought that June; I have
> seven EF lenses (and sold another) and have never had a battery-drain
> problem (although some batteries haven't lasted very long, probably
> because I do a lot of focusing/composing without actually making an
exposure).
> One of my lenses is a 300/2.8L, *not* IS. This lens can cause some battery
> drain in normal use due to the electronic manual focusing, but that's
> a different issue.
As Devin Shieh said, it was 'Only the NEW super-teles w/ IS'.
I admit that my statements are only second-hand, as I don't have any of the
lenses myself.
I wonder whether the new 70-200 L IS, or the 400 DO IS will be affected?
Cheers
Keith
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