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Battery grip/weather sealing qyestion

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CanonGuy:

--- Quote from: neuroanatomist on February 07, 2012, 06:32:08 PM ---Sorry, you read wrong. The grip isn't required for sealing. In fact, the opposite - the body has reasonable sealing, the grip itself has some sealing, but there is no sealing where the grip attaches to the body (only gravity keeps water from from flowing up into the battery compartment.

--- End quote ---
Well it's pretty much 95% sealed battery case and in this case I'm talking about Canon BG-E7 not aftermarket battery grips.
Only part what isn't sealed is plug.

DavidRiesenberg:
Never tried it myself but I see no reason why one won't be able to add a little bit of homemade sealing by gluing a thin sheet of rubber or EVA to the top surface of the grip.

awinphoto:

--- Quote from: DavidRiesenberg on February 13, 2012, 03:10:54 PM ---Never tried it myself but I see no reason why one won't be able to add a little bit of homemade sealing by gluing a thin sheet of rubber or EVA to the top surface of the grip.

--- End quote ---

I always have been curious with that in the past.. if you want to give that a try and report on your findings, we'd be very appreciative.   8)

Picsfor:
The other point of note is - of the cameras on offer from Canon, the battery grip for the 7D offers the best weather sealing. The BG for the 5D2 is considered to be no where near as robust, though having had one in one of my 5D2's for 2 years, i've never had an issue.

neuroanatomist:

--- Quote from: CanonGuy on February 13, 2012, 02:23:34 PM ---
--- Quote from: neuroanatomist on February 07, 2012, 06:32:08 PM ---Sorry, you read wrong. The grip isn't required for sealing. In fact, the opposite - the body has reasonable sealing, the grip itself has some sealing, but there is no sealing where the grip attaches to the body (only gravity keeps water from from flowing up into the battery compartment.

--- End quote ---
Well it's pretty much 95% sealed battery case and in this case I'm talking about Canon BG-E7 not aftermarket battery grips.
Only part what isn't sealed is plug.

--- End quote ---

Really?  So...you'd be perfectly happy if the roof of your house was 'pretty much 95% sealed' because if 5% of it leaks, that's ok?   The only unsealed part is the plug?  Whew, that's a relief, because there's probably no need for sealing of an electrical contact that provides power to the camera, sure, seal everything else, but let water and electricity mix, they play so nicely together.  That's like saying it's best if the hole in your roof is right over your fuse box.  ::)

Seriously, though, I think this is a design flaw on Canon's part.  When I remove the grip (yes, the Canon BG-E7) where the battery compartment opening connects to the grip is just plastic on plastic.  The battery compartment does have sealing, but the foam-rubber seal is on the battery door itself, and of course that's removed and stored in the slot on the grip when the grip is installed, meaning no effective sealing.  Canon could have replicated the foam-rubber seal on the grip, but they didn't. 

FWIW, when I go out in the rain with the 7D, I remove the grip.  That's especailly important if the camera is being carried upside down (e.g. from a Blackrapid strap), since water would flow down the camera and in between the grip and body, then flow down into the battery compartment when the camera was turned over.

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