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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 05 Jan 2008 (Saturday) 20:25
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Cold weather treatment of lens - HELP

 
wizard13
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Jan 05, 2008 20:25 |  #1

I was wondering if the collective wisdom of the POTN faithful could help direct me. I would like to use my new 100-400L outside but the temps are around 20-30F. What if anything should be done to make sure there is no damage to the lens from cold / condensation as I take it outside and back inside.
Thanks in advance---


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Proctorr
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Jan 05, 2008 20:29 |  #2

It will be fine in 20-30F, I've used my 24-70 F2.8 in -25 during astrophotography for around 2 hours. Bring it inside, don't use it for at least a day or 2 and don't heat it up fast. It'll gradually get warm without condensation building inside.


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wizard13
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Jan 05, 2008 20:34 |  #3

Proctorr wrote in post #4639217 (external link)
It will be fine in 20-30F, I've used my 24-70 F2.8 in -25 during astrophotography for around 2 hours. Bring it inside, don't use it for at least a day or 2 and don't heat it up fast. It'll gradually get warm without condensation building inside.



Thanks. Is it necessary to place the lens in a ziploc bag to prevent moisture while it warms up??


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tim
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Jan 05, 2008 20:42 |  #4

Read your manual, there's a procedure involving a plastic bag to prevent condensation.


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wizard13
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Jan 05, 2008 21:10 |  #5

tim wrote in post #4639291 (external link)
Read your manual, there's a procedure involving a plastic bag to prevent condensation.

I will take a look. I am assuming you are talking about the cameras manual, because I did just read the lens manual and there was nothing about that. Thanks.


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tim
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Jan 05, 2008 22:10 |  #6

Yes, camera manual.


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Cold weather treatment of lens - HELP
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
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