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Keeping the camera cool
Old 06-20-2005, 06:08 PM   #1 (permalink)
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Since I have purchased a 20D to be my main camera, I would like to be able to carry my D30 around in my car so I always have it with me if I should decide to capture an image. The only thing preventing me at this point is the heat. How do you go about protecting your camera from the heat if it is being stored in a car?
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Re: Keeping the camera cool
Old 06-20-2005, 06:24 PM   #2 (permalink)
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Got an ice chest?
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Re: Keeping the camera cool
Old 06-20-2005, 07:58 PM   #3 (permalink)
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just dont put it in the cooler with the beer!
 
 
Re: Keeping the camera cool
Old 06-20-2005, 08:05 PM   #4 (permalink)
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"Keeping it in your car" is not a good idea.. taking it with you as you run about is a better idea..

Placing it in your trunk is much better than leaving it in the passenger compartment area simply because windows make things hot.. ever wonder why they never built a line of cars with a glass dome roof? If they did, it would get very hot..

If you have a van, or a truck,...or a station wagon / hatch back,... I wouldn't keep it in there for any length of time... If the lens gets too hot, the lubericants may leak on to the lens elements,.. I have seen it happen before where a camera store had a lens like that on display..

Just keep it in a comfy bag, and carry it with you as you go.....that way, you will never be without your camera.. and it wll stay a lot cooler too [img]/ubbthreads/images/graemlins/smile.gif[/img]

JP
 
 
Re: Keeping the camera cool
Old 06-20-2005, 10:10 PM   #5 (permalink)
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[ QUOTE ]
just dont put it in the cooler with the beer!

[/ QUOTE ]

Good point!

You could have some guy who's had a few...take a bottle opener to the top of the D30... which may not be good for the camera... nope!

[img]/ubbthreads/images/graemlins/tongue.gif[/img]

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Re: Keeping the camera cool
Old 06-21-2005, 06:24 AM   #6 (permalink)
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The only problem with the ice chest is that it will only maintain the temperature for so long. Unless you place something like a freezer pack in it, it will eventually get hot. Of course, if you place a freezer pack in it you will have to keep the camera in a plastic bag and remove it and let it come up to temperature before taking it out of the bag or risk condensation in the humid summers here in the south.
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Re: Keeping the camera cool
Old 06-21-2005, 06:26 AM   #7 (permalink)
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What is a safe temperature for these cameras to reach? Since I park at a covered deck at work i shouldn't have a problem with solar heat buildup, just the car moving into equilibrium with the outside air, which can be close to 100 on hot days here in Charlotte. I would think the cameras could stand 100 degrees plus a couple if they are black and used for shoots on beaches in tropical climates... or am I wrong? I have been wrong a few times.
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WOuldnt,,,
Old 06-21-2005, 04:56 PM   #8 (permalink)
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Doesn't the owner's manual have this information in it?
Wouldn't the camera maker's tech support know?

Marty
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Physics of heat....
Old 06-22-2005, 12:54 PM   #9 (permalink)
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The physics of heat transfer will show you not to worry.

First, never keep the camera in the cabin of a car... always put it in the trunk if for no other reason than theft. I also disable the trunk remote release so someone can't break a window, pop the trunk, and run off with a $10K bag of equipment.

Heat is transferred 3 ways: 1) radiation, 2) conduction, and 3) convection. The inside of a car heats up so fast due to radiation as the heat comes in thru the glass, and is adsorbed and radiated back by the material inside.

In the trunk, the only way something inside heats up is as the metal body of the car heats up, and that heat is transferred either by 1) conduction from the car body to the object, or convection/conduction by contact with the air in the trunk that transfers heat from the body of the car to the object. That type of transfer is piss poor especially without forced air convection. While the air in the trunk can get hot, it won't get nearly as hot as the inside of the cab. A camera body in a canvas bag in the trunk, even on a hot day in Florida, would not get nearly as hot as if it was in the cabin of the car.

If you are really paranoid, bubblewrap is an *excellent* inexpensive trapped air insulator. Wrap a couple layers of bubblewrap around the body, put it in a camera bag that is not touching the sides of the trunk, and it will be fine IMHO. It will get warm to the touch, but not much more than that.
 
 
Re: Physics of heat....
Old 06-23-2005, 06:30 AM   #10 (permalink)
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Hi Robert,

Thanks for the reply. I think I am going to use one of those digital peak temperature thermometers to track the hottest point during the day in my trunk and see what it is like on a 90 degree day in the sun. I notice that the operating temperature in Fahrenheit is only 32-104 degrees (same for the 20D). I think the D30 black body on a sunny day gets well over that.
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