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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 09 Mar 2011 (Wednesday) 04:58
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7D weatherproofing

 
ralff
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Mar 09, 2011 04:58 |  #1

I am going to move up to a 7D from my 50D, weatherproofing being one of the major reasons. Will also be buying a grip and wondering what that does to the sealing out of water/dust? Have used non-canon grips on my other cameras, but weather sealing was not a concern. Do I need o buy the Canon grip to maintaain integrity of the seal? Anybody have a non Canon grip for a 7D? Is it sealed around the battery door opening?


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Staszek
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Mar 09, 2011 05:13 |  #2

Someone will correct me if I am wrong, but the Canon grip maintains the weather sealing. It is also made of the same magnesium alloy as the body. I doubt third party grips will do that.


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sinjans
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Mar 09, 2011 06:23 |  #3

Staszek wrote in post #11986074 (external link)
Someone will correct me if I am wrong, but the Canon grip maintains the weather sealing. It is also made of the same magnesium alloy as the body. I doubt third party grips will do that.

not 100% sure but but 50D grip didn't have sealing. I can't speak for my 5DII cuz its not gripped but I dont think there is sealing on any of them.
EDIT: you could always put a strip of silicone as a seal




  
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Alex_Venom
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Mar 09, 2011 06:44 |  #4

Holding the BG-E7 on my hands right now I can see NO SEALING on it at all. And it's made of a good quality plastic, not metal.
You can probably put that silicone on it as well, but I seriously doubt it would keep the level of weather sealing of the 7D.
The battery door on the grip is sealed, though... there's a small rubber/plastic ring going all over it. Not sure about the buttons.


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KaBlookie
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Mar 09, 2011 06:52 |  #5

Alex, just like the camera body, the grip's outer shell is plastic but it's the frame underneath that's magnesium.

From what I've heard the 7D grip should maintain the same level of weather sealing as the body, but you saying there's nothing around the camera's battery door area on the grip is interesting...


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hollis_f
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Mar 09, 2011 06:54 |  #6

Alex_Venom wrote in post #11986320 (external link)
Holding the BG-E7 on my hands right now I can see NO SEALING on it at all. And it's made of a good quality plastic, not metal.

Are you sure? It feels very 'magnesiumy' to me.

Quoted from here (external link)...

The Canon BG-E7 Battery Grip is very solidly built - it matches the 7D design well. They share a magnesium alloy frame and the BG-E7 retains the sealed battery compartment.


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Tsmith
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Mar 09, 2011 07:01 as a reply to  @ hollis_f's post |  #7

and just to clarify the "7D weatherproofing" ... its weather sealing is resistant not weatherproofing, meaning the camera isn't fully sealed (like the 1D bodies) to prevent moisture from entering the body.




  
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Mar 09, 2011 07:21 |  #8

7D sealing


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zarray
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Mar 09, 2011 07:21 as a reply to  @ Tsmith's post |  #9

if you really need it to be sealed you're best bet is to improvise with standard equipment readily available.

Off my head I'd think you could put a layer of gaffer tape around the joints or, in extreme situations, you could apply a layer of hot glue around the joints.


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Mar 09, 2011 08:10 |  #10

The only sealing that I have ever seen on the canon grips are around the battery doors. There is an obvious gap, and a large one, between the grip and body. Some enterprising individuals have used thin weather sealing tape and lined it around the perimeter of the grip so that it compresses against the body as they tighten the grip. Canon may have changed that in the last year or so, I don't know.

I would be wary of adding more sealing because the Canon grips have known to seize up and require surgery to remove if you overtighten them.


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choosedennis
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Mar 09, 2011 08:26 |  #11

Can someone shed some light on how weatherproof a lens is. Specifically the 15-85? Taking my 7d with me during skiing...




  
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apersson850
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Mar 09, 2011 09:12 as a reply to  @ choosedennis's post |  #12

Snow isn't wet until it melts. With resonable care, the lens/camera survives snow without issues.

My 40D survived this event (external link) (right arrow for more images), but then I used the EF 24-105 mm f/4L IS USM and the EF 70-200 mm f/4L IS USM lenses, which are among the better from a weather resistance point of view.

There is no seal between grip and camera. Only the battery doors are sealed, but when using the grip, the camera's battery door is removed.


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The ­ Fox
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Mar 09, 2011 09:51 |  #13

If you need sealing then only a 1-series will do. They are truly sealed and rated as such.

Also, the D300/700 are not fully sealed like the D3 is, they are just higher then the D7000 sealing and like canon, where they do none, resistant, sealed.
Nick


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ralff
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Mar 09, 2011 10:37 as a reply to  @ The Fox's post |  #14

well, I just orderd my 7Dbody with the Canon grip, probably wasted a 100 bucks. Wonder why the seal was not put on camera so when you removed the door and used a Canon grip you would still be sealed? As ar as it not being as water proof as the Pro models, I looked through the threads and it looks like in real world testing it does very well.


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themadman
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Mar 09, 2011 11:22 |  #15

Staszek wrote in post #11986074 (external link)
Someone will correct me if I am wrong, but the Canon grip maintains the weather sealing. It is also made of the same magnesium alloy as the body. I doubt third party grips will do that.

I don't believe there is weather sealing on grips. However, I think it isn't super hard to do a little DIY weather sealing with some foam or what not.


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7D weatherproofing
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