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Re: (meteorobs) Dewing problems.
I use a thin (about 40 cm long) resistant (about 10 ohms per meter) cable
combined to normal wire cable sewed inside a leather and use 12 V batteries.
This will keep lenses dry and warm. I have recently bought 7Ah batteries,
which should last well the whole night.
Timo Leponiemi
Hyvinkää, Finland
-----Original Message-----
From: R&L Thompson <rlthompson@thezonedot net>
To: meteorobs@atmob.org <meteorobs@atmob.org>
Date: 15. elokuuta 2001 2:11
Subject: Re: (meteorobs) Dewing problems.
> That would work when I'm close to the house, but I was out at a
campsite
>when I had the problem. I just took a look in an automotive catalogue
>(Canadian Tire) and found that they have a 12V hair drier listed, which
>would be alright when the car is near by. I think I'll start out with a
>smaller home made heater near the lens, something that would run off a
>rechargeable battery for a while.
>
> Ron
>
>----- Original Message -----
>From: Markku Vanamo <mvanamo@pp.inet.fi>
>To: <meteorobs@atmob.org>
>Sent: Tuesday, August 14, 2001 8:34 PM
>Subject: Re: (meteorobs) Dewing problems.
>
>
>> R. L. Thompson wrote:
>> >
>> > 1) I lost some good shots because the camera objective dewed up.
>> >
>>
>> I use old hair dryer - and when it's below freezing it's nice
>> inside sleeping bag also.
>>
>> Markku
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>
>
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