Beats me but you might ask the guy who started this thread ...
http://luminous-landscape.com/forum/index....showtopic=18236
Here's the relevant quote from him:
My camera(s) were constantly encased in ice. Very thin layer of ice on all controls. (Mamiya RB 67 was KING & Pentax K1000 was KONG!). NO batteries will last out here in this unforgiving enviorment. I haven't used a light meter since 1973...
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Note how he used manual film cameras. Antarctic sightseeing is a few hours and tolerable for most decent equipment. Weeks or months *living* out in the arctic... Digital dies. It's only a matter of time. I'd honestly trust an old Rollei TLR more than a D50 at 30+ below for months on end, sorry to say. That said, I'd first off consider 120 film as a large piece of film that's scanned will give good results. Big scenery begs for bigger film/formats. 35m film cameras kind of suck for the dramatic scenery and aren't as good as a typical DSLR. But 120 film easily matches a DSLR, and slide film is excellent. 120 is also small enough and cheap enough to be practical, since you're not taking action shots.
My take on film is if you HAVE to shoot film, 50 rolls of 120 don't take up much more space than 50 rills of 135...
Also, unless you live where there's a photo lab(big IF), you'll have to develop yourself or take the film to a lab once every few months.(slide film is more stable as a rule here) You can do B/W yourself, though, and if you do, it's pretty painless to DIY. The guy above develops his own film as well. There's just no other option, really. That is, unless you carry back a bunch of film to get developed in a large batch. A good water-tight and light-fast case to store 50-100 rolls of film is a godsend.
You also mention 76.5(Greenland/Ellesmere), which leaves very very few places other than a military base or small settlement. If it's cold, and I mean really really min-boggingly -50+ cold, your only option might be special equipment or sheet film (4x5). I've heard stories of film and plastic spools cracking and breaking just operating the the mechanisms on a camera at 40+ below. LCD screens certainly will stop working well before you get to 0F. At 20+ below, they'll crack and shatter. At 40 below, only a few types of batteries will even work. Most DSLR batteries will just turn to a brick inside. (literally "brick" themselves - heh) NIMH and Li-Ion just don't work that cold. Lithium batteries, OTOH, will work to -55F. So your light meter and motors might work for a few rolls.
http://www.covalentassociates.com/Li-ion%2...ure%20Range.pdfConsumer batteries just aren't formulated for extreme cold. Most list a minimum operating temp of 5C. Things get dicey at 10 below, and at 40 below... its possible that when you thaw it, it's still going to be dead.
I'd also send an email to Discovery Channel and ask them what they used for their Ice Road Truckers and similar series. they had a lot of equipment die, of course, but they probably know what digital camera might survive better than most of us here, given how many they've gone through over the years.