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08-17-2018, 03:53 PM   #46
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QuoteOriginally posted by Mikesul Quote
UV and other protective filters are a kind of photographic double bind.
I was thinking the same thing just a few days ago. I carry a 72mm UV filter for my Sigma 17-70/2.8-4 (C) but wince when I consider having to use it.


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08-17-2018, 04:25 PM   #47
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One thing I do after shooting in the rain, is "pump" the camera with a suitable WR lens...the 18-135 is excellent at this.

How to do this?

In a dry location, place the camera with the mic port in the lowest position, and slowly extend the Zoom.
When the Zoom is extended, Zoom in relatively fast, and you will find that the pressure created with "Pumping" will expel most moisture that may have found it's way into the camera.

The camera will also "wheeze" and if there is moisture, it will "wheeze" differently.

It's also a good way to check to see how relatively sealed your camera is.
Doing the same procedure as above, with your finger on the mic port will give you a sense of the overall seal condition.

Also, when flying or rapidly changing alititude, open and closing those ports can equalize the camera.
08-17-2018, 06:58 PM - 1 Like   #48
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QuoteOriginally posted by BigMackCam Quote
Yep, I read ya Apologies, I didn't mean for my post to come across as a challenge, though I now realise it might have seemed that way
No problem, Mike. I did not see it that way. I was just continuing the thread. I thought we were in close agreement.
08-25-2018, 11:35 AM   #49
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It is great WR knowledge with a lot of sense. I learn here a lot. Thank you!

08-29-2018, 01:57 PM   #50
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Excellent article Steve.

I have taken my gear into the wet weather many times with no problems (which led to over-confidence). I am always careful to hand dry it immediately afterwards, remove the lenses, disconnect the grip, open up all the doors, remove batteries and cards, and let it air out overnight.

Recently I was using two K-3s with grips for a rainy soccer match; my primary with the 55-300WR, and the secondary with the 18-135WR. The hot shoe and other covers were in place. Both were on Blackrapid straps, so at rest they were upside down, but the 18-135 was nearly always in that position while the 55-300 was in my hands. I think the 18-135 and K-3 got a lot of run-off from my arm, and the few times I used the zoom helped water to enter and run down into the prism area. I can't prove it contributed, but I would suggest to keep the body upright (or slightly lens down) in bad weather.

The first hint something was wrong was the shots gradually becoming more and more overexposed (you could add this to your list of symptoms). When I reassembled the next day, the light meter was completely non-functional (everything else worked fine in manual mode). I tried to let it dry for a few more days with no change, so it is now in service.

From now on I will only carry one body in wet weather so it is easier to keep it protected.

Last edited by klh; 08-30-2018 at 10:20 AM.
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