In article <4un3pg$9n1@newsstand.cit.cornell.edu>, cas3@cornell.edu says...

>Has anyone had a problem with an N90s failing to terminate a rewind?
>My has done it twice now, once after shooting in misty conditions,
>recently after a bout of really hot humid weather after being in a van.
> In each case the camera continues to rewind even after the switch is
>turned off. Removing the batteries stops the problem but still leaves
>the camera showing a loading error. The situation is resolved by
>putting in a new roll of film and letting the camera rewind it. That
>"satisfies" the electronics, but leaves you with retrieving the film
>leader from the canister. I use high energy Lithiums in my camera, I
>wonder if they contribute to the problem.
>Is it time for an EOS1N? F4?

No, unless you consider the above problem serious (it does correct
itself...). Electronic cameras are more sensitive to moisture - my
8008's get cranky in our soupy summer air, especially if rained on,
but they always self-recover.
Hope This Helps