on 2013-02-10 21:09 Christine Nielsen wrote
http://www.flickr.com/photos/23028562@N04/sets/72157632736739251/with/8464137448/
nice little photo essay
I learned long ago that it's a good idea, after being out in the cold with your camera, to bag it up in a ziploc & then let it come to room temp for a couple of hours before using/retrieving sd card, etc. All in the name of preventing condensation/moisture from getting into the camera & messing with the electronics, etc.. Here's what I wonder: 1) How many of you do this?
i don't, but Denver has a pretty dry climate; i am a little cautious when i walk into a more humid building; extreme example was the tropical greenhouse at Denver Botanic Gardens recently; camera was cold and it fogged the filter right away; i cleared it with a lens pen, waited a few minutes, cleared it again and was okay, but the filter warms up faster than the lens body, so i know as i focused (A 50/1.7 lens) some humid air would get in, but not a lot on such a small lens; around here i can rely on the dry climate to re-desiccate the lens, but elsewhere it could be trouble
if i'm not using the camera, i keep it in the camera bag when changing environments (currently using a Timbuk2 Snoop XS and happy with it)
2) For a weatherproof camera, like the k-5, is this "less necessary"? Especially when combined with a WR lens...?
even if it is "sealed" something has to happen to the air that's displaced inside a lens as the elements move; unless no air is displaced (true for some designs?), "WR" simply inhibits dust and droplets, humidity can still enter; just speculating, but i think the worst outcome would be if you managed to get very humid air into the lens, then left it for weeks or months
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