In all my years of flying, I've never had to pass film through the X-ray. If I had loose film, I'd just put it in the key basket (which didn't go through) and they might pop it open to take a look inside the film canister. With a camera, they'd just look at it pretty close and make you snap a wasted picture. That is just my experience after having flown my entire life.
But I agree with G-Benz.....get a digital