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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 01 Feb 2013 (Friday) 13:01
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Condensation?

 
Stillwater ­ Gold
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Feb 01, 2013 13:01 |  #1

Is there a recognized outdoor temp where condensation becomes a potential problem for ones lens? I live in an area where outdoor temps are regularly in the 20's & 30's F and I'm afraid to bring my gear out fearing condensation. My inside temps are always in the 70's.

I've heard of using plastic zip-lock bags but I'm not sure exactly how this works? Does one keep all lens in a zip-lock bag inside and out? Do you keep your camera in a zip-lock bag when outside in freezing temps and after using the camera do you put it back inside the bag?

Once you're back inside when can you take your gear out of the bags?

Sorry for all the questions but I'd really like to feel comfortable using my canon 5d mkiii & lens outdoors without the fear of ruining the equipment.

Pete




  
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archer1960
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Feb 01, 2013 13:12 |  #2

You put it in the bag before bringing it into a warm, more humid area. Leave it in the bag until it gets up to room temperature. This prevents condensation from getting on the equipment, and instead keeps it on the outside of the bags.

You won't get condensation from taking them outside unless you're in a situation where you might get dew or frost on them (typically with clear skies and relatively high humidity when the temperature is falling just after sunset). If you are getting dew or frost on the grass or your car, then you will likely get it on the camera equipment as well. If there's none on a car, then it won't be on your equipment either.


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msowsun
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Feb 01, 2013 14:10 |  #3

As was said. don't worry about taking the gear out into cold temperatures. It is only when when you bring cold gear into a warm environment that you could get condensation. Most homes are pretty dry, especially in the winter, so it is rarely a problem. Just leaving the gear in the camera bag to slowly warm up would probably be all the protection from humidity you need. The plastic bag trick is extra insurance, but I doubt you will need it.

Living in the tropics and going from a cool, dry Air Conditioned home to the hot and humid outdoors is where you can really see condensation happen.


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dpds68
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Feb 01, 2013 15:15 |  #4

^^^ Yes thats what happens to me well used to I used to store my gear in my A/C room and every time I needed something quickly condensation all over I now store gear outside in a non A/C room ,

Life in the tropics .

David


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cor726
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Feb 01, 2013 16:17 as a reply to  @ dpds68's post |  #5

I have used some of my cheaper lenses in temperatures as low as -40 - never had a problem. I have used the plastic bag before on some of the more expensive lenses just for extra insurance but I doubt it was necessary.

Our winters are very dry here.


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