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Forums > Back > Canon rain resistant zoom options?
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I'm not sure it is simply external moist air that is causing it. The lens would generally be same temperature or warmer than the air so condensation from simply having it in the wet environment shouldn't affect it. Other lenses used similarly but kept externally dry-ish don't have the same problem. I suspect the 100-400L, due to its extension allows surface water on the zoom section to enter the lens, where it then evaporates and saturates more so than ambient. That is also a concern I have of the 70-300L but as said I now have one owner reference that suggests this isn't the case. Coincidently that user also has the same issue I have with the 7D joystick in wet weather, so I think our usage is quite similar. I find the 7D joystick can become unreliable after prolonged exposure to water.
<a class="bbc_url" href="http://snowporing.deviantart.com/">dA</a> Canon 7D2, 7D, 5D2, 600D, 450D, 300D IR modified, 1D, EF-S 10-18, 15-85, EF 35/2, 85/1.8, 135/2, 70-300L, 100-400L, MP-E65, Zeiss 2/50, Sigma 150 macro, 120-300/2.8, Samyang 8mm fisheye, Olympus E-P1, Panasonic 20/1.7, Sony HX9V, Fuji X100.
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Messages In This Thread
Canon rain resistant zoom options? - by popo - 06-21-2011, 08:37 PM
Canon rain resistant zoom options? - by popo - 06-21-2011, 11:12 PM
Canon rain resistant zoom options? - by miro - 06-22-2011, 09:19 AM
Canon rain resistant zoom options? - by popo - 06-22-2011, 11:30 AM
Canon rain resistant zoom options? - by popo - 06-22-2011, 11:32 AM
Canon rain resistant zoom options? - by mst - 06-22-2011, 12:43 PM
Canon rain resistant zoom options? - by miro - 06-22-2011, 01:02 PM
Canon rain resistant zoom options? - by popo - 06-22-2011, 04:42 PM
Canon rain resistant zoom options? - by besyry - 06-23-2011, 03:14 AM
Canon rain resistant zoom options? - by popo - 06-23-2011, 07:26 AM
Canon rain resistant zoom options? - by popo - 06-23-2011, 11:31 AM
Canon rain resistant zoom options? - by decltype - 06-24-2011, 06:23 AM
Canon rain resistant zoom options? - by joachim - 06-25-2011, 08:41 AM
Canon rain resistant zoom options? - by popo - 06-25-2011, 10:42 AM
Canon rain resistant zoom options? - by Guest - 06-25-2011, 06:34 PM
Canon rain resistant zoom options? - by popo - 06-25-2011, 08:27 PM
Canon rain resistant zoom options? - by joachim - 06-25-2011, 10:00 PM
Canon rain resistant zoom options? - by popo - 06-25-2011, 10:43 PM
Canon rain resistant zoom options? - by joachim - 06-26-2011, 09:06 PM
Canon rain resistant zoom options? - by popo - 06-26-2011, 09:23 PM
Canon rain resistant zoom options? - by popo - 07-06-2011, 12:08 PM
Canon rain resistant zoom options? - by miro - 07-06-2011, 12:37 PM
Canon rain resistant zoom options? - by popo - 07-06-2011, 04:48 PM

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