Film in Pocket All Day = Heat Damage?

If you have been reading through the postings in RFF on and off at least for the past couple of years you might notice that there are a few who have a stash of films in their car glove box. I would love to do that, but I am scared.

-Arun
 
I've worried about this myself. Here in Las Cruces, NM it can get 105+, and w/ my camera slung over my shoulder and traveling on my bike w/ the sun behind me for 30 minutes the camera can get vary hot to the touch. But no problems yet, so it must have to be darned hot before trouble sets in.
 
"Would the answer be different for C41 (Ektar or Reala) vs. B&W (Tri-X or Neopan 400)?? "


Never had problems with B&W, but those Fuji Reala are very sensitive to heat, three of my films were fogged last year during a hot summer, i had them in my bag.
 
OK. We know it gets really, really hot in a car sitting in the sun. So... what's the temperature inside a camera that spends a day in the sun hanging from your neck?
 
Once, I was careless or unobservant, and placed a bag that had film inside, next to a working heat register. The bag was leaning on it, and stayed put for about 36 hours. The film in the outside pocket got hot to the touch, but not enough to burn. It was Ektachrome 200 (I think) or 64, and I almost wrote it off as a loss.

The slides were perfectly exposed, there was no color shift, no melty spots, no problem whatsoever. Film is a lot more resilient than we think.
 
That's reassuring..
I just left camera and film in the boot of a car and it got very hot.. Haven't got them developed yet but have the fear I've ruined everything...
 
DeanSilliman said:
I'm wondering if keeping a roll or two of film in my pocket all day (or for a few days) causes damage. You hear a lot about keeping film in the freezer or fridge both before and after shooting (which I do). And I know better than to leave film in a hot car, etc. But there are a lot of days where I want a minimalist approach so I'll throw the M6 TTL over my shoulder and put a few rolls in my pocket. Sometimes a given roll will go out with me on a few different days before being used. And with Summer coming up, some of those days will be 100+ degrees.

Does the heat matter? Would the answer be different for C41 (Ektar or Reala) vs. B&W (Tri-X or Neopan 400)?? Surprisingly, searching on this site and generally around the web yielded no answers.

Dean
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not at all, I did that and still do :D
 
Liquid-Sky said:
Never had problems with B&W, but those Fuji Reala are very sensitive to heat, three of my films were fogged last year during a hot summer, i had them in my bag.
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I experienced this a couple of times with Fuji Superia 400--most recently it was after about a four hour shoot on a relatively hot morning this summer. The film was in a Tamarac MAS pouch attached to the strap of my camera bag. The base fogging was slight, but it was enough to cause me to readjust my scanner settings for the film.

It caused me to start wondering if modern C41 films might be more susceptible to heat-related fogging, because I do not recall this seemingly high level of sensitivity with films in the past. Of course, it's an assumption that the fogging was caused by the heat from that particular time frame, because there's always the factor that the one-hour lab that I use might be somehow responsible. I can rule out the seller (Freestyle) or the shipping, because I bought multiple rolls at the same time--and only this roll exhibited the fogging. I'm usually pretty careful with my films. I'm not the type who buys a brick of film and leaves it sitting in the car on a hot day.



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