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Working in cold temperatures

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Cekari View Drop Down
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Post Options Post Options   Quote Cekari Quote  Post ReplyReply Direct Link To This Post Topic: Working in cold temperatures
    Posted: 12 November 2007 at 09:53
Just noticed that both the KM 7D and the a700 has a operating temperature span of 0-40sC (32-104sF)

I'm not sure but as far as I remember the old non digital ones worked at a lot lower temp.
I also know the Minolta lenses had a special grease to be able to funktion at very low temp. as well.

I know I was out a lot at -20sC for many hours and still could shoot in my early years.

So in practice, what will happend more than that the battery life will fade out quickly? Any risk of damage something like AS/SSS or shutter etc if used when cold.
Not always possible to keep them warm when out far away and they are a bit big to have inside the clothing :)

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Riccati View Drop Down
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Post Options Post Options   Quote Riccati Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2007 at 10:19
I've used my 7D in -20 many times. Everything worked fine.

The battery life is noticeably shorter, but if you warm the battery up in your pocket for a while you get some juice back.

Of course, if you're going in and out of buildings, be careful with condensation.
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Post Options Post Options   Quote Nordstjernen Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2007 at 15:27
I have used my KM D7 for hours in minus 20 degrees Celsius many times (colder than in a deep feezer), and my Sony A100 unsheltered for hours in even colder climate, minus 26 degrees. No problems, except short battery life (and that it was almost too cold for the potographer). I don't hesitate to bring my A700 out into really cold weather.

This is a picture from a trip to the arctic destination Longyear-byen in Svalbard last winter. The temperature was minus 26 degrees Celsius, but my A100 did not complaint:


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Cekari View Drop Down
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Post Options Post Options   Quote Cekari Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2007 at 18:46
Thanks a lot both of you, that was nice to hear so I don't have to freez my .ss of testing it :) ... And the batteries can always be in the innerpocket and swapped in when shooting...

Great pic Nordstjernen, very nice light, and 'stars' :)
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Post Options Post Options   Quote Dynaxdude Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2007 at 19:19
very nive pic indeed...
Besides.. the lower temperature should reduce sensor noise from heat right
Most of the time the grease in the moving parts will become problematic in lower temperatures (there still are some, like a shutter and AF gears in a DSLR) and batteries don't respond well to low temperatures, so keep a spare one underneath your clothing or something. Now where would one put the frozen one?
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Michael USA View Drop Down
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Post Options Post Options   Quote Michael USA Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2007 at 19:36
Oh my....why would you WANT to be in those conditions?!?!

Ooooo...too cold for me folks!

Nice picture though....
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Cekari View Drop Down
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Post Options Post Options   Quote Cekari Quote  Post ReplyReply Direct Link To This Post Posted: 12 November 2007 at 20:02
Originally posted by Michael USA Michael USA wrote:

Oh my....why would you WANT to be in those conditions?!?!

Ooooo...too cold for me folks!

Nice picture though....


I live in those conditions... at least sometimes but usually later years it isn't many days in a row that it gets down to -20, but -5 - -10 is still quite common...
Some of us here in Sweden, Finland, Norway, Island, northern parts of USA, Canada or other side of the world (South) etc etc... do have even lower temps. for many months... :)
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Post Options Post Options   Quote OldScotch Quote  Post ReplyReply Direct Link To This Post Posted: 13 November 2007 at 14:49
My Maxxum 70 and 7 are both rated to -40, if anything I'd assume digitals to be more sensitive. In both cases, I'm sure the battery is the first to go, although I wonder what are the limits of the alloyed metal.
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Post Options Post Options   Quote Rashkae Quote  Post ReplyReply Direct Link To This Post Posted: 13 November 2007 at 19:17
I took my A100 to the top of Mt. Kilimanjaro and other than weak battery life, it worked like a charm.

A 400D of a fellow climber froze though.
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Cekari View Drop Down
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Post Options Post Options   Quote Cekari Quote  Post ReplyReply Direct Link To This Post Posted: 13 November 2007 at 19:31
Seems there is np with this if you keep the batteries in your pockets then... very nice
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Mika View Drop Down
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Post Options Post Options   Quote Mika Quote  Post ReplyReply Direct Link To This Post Posted: 15 November 2007 at 09:05
When going outside to take pictures under cold conditions, always bring a plasticbag. Before going inside again put the camera and lens in the bag and seal it as good as possible. When you are back inside let the camera warm up before removing it out of the bag. This will prevent condensation in the camera and lens.

/Mika
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Post Options Post Options   Quote bharnois Quote  Post ReplyReply Direct Link To This Post Posted: 15 November 2007 at 17:01
I'd expect the LCD to begin to begin to act funny or not work below a certain temp.
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Cekari View Drop Down
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Post Options Post Options   Quote Cekari Quote  Post ReplyReply Direct Link To This Post Posted: 15 November 2007 at 17:05
Yup, good advice Mika...

Good point bharnois... most LCDs do fade of quickly when getting cold...

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Nordstjernen View Drop Down
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Post Options Post Options   Quote Nordstjernen Quote  Post ReplyReply Direct Link To This Post Posted: 15 November 2007 at 17:21
I have not had any problem with the screen in cold weather yet. Don't know if this is a problem with modern cameras.



Edited by Nordstjernen - 15 November 2007 at 22:08
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