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Hi All, I am new to the group so if any of my questions have been covered before I apologize. I am considering getting into hypered film and I'm trying to learn as much as I can. My question is how long after hypering can the film be used before it loses its effectiveness? Also if I had a large enough tank can the camera be put back into a chamber/tank and effectively re-hyper the film without affecting the exposures already taken? Or would the camera (OM-1) not allow enough gas to penetrate to the film inside? I have also been following some treads about using dry air to purge the camera during exposures. Does the film need to be hypered to benefit from dry air purge? Any information would be appreciated. Thanks, Joe Schaefer www.schaefer-observatory.freehomepage.com
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