On 11 Jan 99 at 13:04, Mark Dapoz wrote:
> > This explains it! I've always found that around zero Fahrenheit (about -17
> > Celsius) was the lower limit for film base, after which I'd always crack the
> > stuff trying to advance it in a camera (ANY camera...). -20 Fahrenheit is
> > about -28 Celsius, and that's just too damn cold for film, in my experience.
>
> Although I don't doubt that film can crack at low temperatures, I don't think
> that -17C is the point where that occurs in modern day films. I've left
> a roll of Kodak Royal Gold in my truck for the past week. Every morning
> I've checked the leader for flexibility and cracking, any so far I've been
> unable to get it to crack. This morning the temperature was -21C, a bit
> colder than the other days, and still the film is very pliable. We're
> expecting the temperature to go down to about -24C by mid week so we'll
> see if that has any impact.
>
Galen Rowell talks about successfully using Kodachrome 25 and 64 in -20 to -25F
conditions in his book 'Mountain Light'. While he does mention having to
advance very slowly, it did indeed work, even with these older films (most
shots were taken in the 70s).
========================
Shawn Wright
Computer Systems Manager
Shawnigan Lake School
250-743-6240
swright@xxxxxxxxx
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