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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 08 Dec 2013 (Sunday) 08:32
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Humidity and lens care

 
sanfairyanne
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Dec 08, 2013 08:32 |  #1

I'm going to Thailand for a few months and I realise humidity will affect my lenses. I have a few large bags of silica gel but I don't really know what to do with it. If I put it in my gadget bag will it work or does my camera gear have to be sealed from the air in order to draw the moisture out.

Any advice would be much appreciated as I've never shot in humid countries before.




  
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xarqi
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Dec 08, 2013 14:35 |  #2

I'm sure our resident experts will be along shortly with their definitive response, but as I recall the gist of responses to similar questions, the answer is, don't worry, just carry on as usual.

To answer one of your specific questions though, dessicants will only be effective in tightly sealed containers.




  
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xarqi
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Dec 08, 2013 14:40 |  #3

Meanwhile, here's a related thread:https://photography-on-the.net …/showthread.php​?t=1316242




  
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John ­ from ­ PA
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Dec 08, 2013 19:24 |  #4

One has to remember that desiccants absord moisture only up to a point, then some process has to be accomplished to remove some or most of the trapped moisture. Failure to do this will result in desiccant that is unable to absord moisture. Common ways to drive the moisture out is to heat the dessicant bags although this is somewhat dependent on the bag construction. I have bags that suggest placement in a sunny location.




  
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sanfairyanne
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Dec 09, 2013 04:06 |  #5

Thanks for all the help.




  
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tat3406
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Dec 09, 2013 04:32 |  #6

I live in Malaysia, neighbor to Thailand.
I had no weather or high humidity problem with my gear, silica gel is useless if you open the bags very often. Now is raining season, a waterproof or water resistant bag is useful.


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Refill
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Dec 09, 2013 16:37 as a reply to  @ tat3406's post |  #7

I had quite a lot of showers during my previous trip, so this time I also took a light drybag, large enough to put my ICU inside. That's just in case of emergency, like heavy rain while backpacking or when your bags are stored on the deck. But in feb. march it was really dry, so I only used it while paddling and on one longtail trip offshore. Of course it works both way and can also KEEP humidity! so if what you have to put inside is already wet , open it and dry your gear as soon as possible! I think salt also retains some humidity, so rinse/swab if needed. And let it dry.




  
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Humidity and lens care
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