A warm camera in cold dry air will never have a problem. It is only when you bring cold metal and glass in to warm moist air that condensation will occur..
Just go outside and start shooting. Nothing will happen..
Nothing is enough for the man to whom nothing is enough...
I think you are both correct.however the small amount of entrapped moist air is unlikely to cause a problem,the big problem is as Altheia says when a cold camera is taken into a room with large quantities of moist air present..Frank Perry..
Okay, so what is the process when you bring in back inside where it is warm after being out in the cold..
It sounds like this has been covered before but I am not finding it...
You put it in a ziploc bag before going back inside. Cold air has less humidity and that's what you'll have in the bag. Then wait about half an hour..
I've used plenty of cameras inside, coming from outside, and nothing ever happened but it's better being safe...
I would suggest against removing the lens when changing environments. you want to let them equalize together gradually as much as possible. keep caps on other lenses you may use as well for a few minutes to let things equalize too. I have experienced this coming in from the cold to put on a cold filter on a cold lens. everything was fine until I went back out and the glass was quickly covered with fog. as the warm air cooled the moisture had no were else to go but to condensate on the cold glass.
Thankfully the fog was only on the outside between the filter and lens. if I had replaced the lens inside and trapping the warm air in camera would be far less desirable..
So, warm air (particularly trapped warm air) on cold glass = very badcold air on warm glass = should be avoided or minimized but not critical..
Thanks all for the advice/comments. I think it makes sense that the amount of moisture inside the camera isn't enough to cause fogging when going from warm > cold. People's experience seems to bear that out..