http://www.nikonchat.com/nikon-camera-bags-d60-3/

Is the Nikon D60 Moisture Testing?
Well, I just bought a Nikon D60 with a 55mm – 200mm f/4-5.6G ED AF-S. I was outside trying that the other day when my father gave me two zip lock bags and told me to put my camera and pieces in it before entering the house and then wait for my camera has reached room temperature. If I said, the moisture condenses inside the camera and eventually ruin him. When my father was in college, was a photography nut big time and took thousands of pictures. Frankly old photos are some of the best I've ever seen, so I'm sure you know what is speaking. However, their knowledge is a bit outdated and has not even used anything more powerful than a point and shoot in the last decades. So I wondered, How much will I have to worry about moisture with my camera?
You have to worry a little. His father speaks of years of experience with cameras film, which, in any case, were more resistant to moisture than today's digital. It is safe to take your camera outdoors when it's cold. The danger, he said, is to bring it back when fast heating can cause moisture in the air condenses on the camera body, both externally and internally. If the camera is on, this can lead to a short circuit, which invariably leads to a dead camera. A plastic bag minimizes the danger with the idea that once all the air humidity is * * sealed in the bag is packed, there is more to be found, so the camera (should) gradually asymptomatic return to room temperature. This requires a discipline more or less depending on how you're about out of the picture just taken. Is a rule that does not always follow it, but it is good practice to be in.
my digital camera bag