About the weather sealing of the 5DII. 10mm of rain in 3 minutes is about 1.56 inches of rain in 12 minutes. That\'s 39.6mm of rain in 12 minutes or about 200mm of rain in 1 hour.
When classified according to amount of precipitation, rain can be divided into:
Very light rain — when the precipitation rate is < 0.25 mm/hour
Light rain — when the precipitation rate is between 0.25 mm/hour - 1.0 mm/hour
Moderate rain — when the precipitation rate is between 1.0 mm/hour - 4.0 mm/hour
Heavy rain — when the precipitation rate is between 4.0 mm/hour - 16.0 mm/hour
Very heavy rain — when the precipitation rate is between 16.0 mm/hour - 50 mm/hour
Extreme rain — when the precipitation rate is > 50.0 mm/hour
Check the math but this would seem to indicate that the 5DII is nicely rain resistant no? Of course that depends on what all is actually sealed on the camera and it being paired with a weather resistant lens that is weather filtered. Extrapolating out like this might not be realistic if the sealing materials saturate early. But in a light or medium amount of rain fall, the camera will probably be fine for an hour or so of shooting. I shoot in light rain sometimes with my 5D and non weather resisant lenses and have had no problems to date.
Body seals pic
Battery compartment
Sep 24, 2008 at 10:13 AM
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