Re: [APML] Coping with dew

[Stuart Heggie <stuart.j.heggie@sympatico.ca>]

Chris -  I use Kendrick's system of dew heaters and honestly, they do 
not change the temp of the objective very much at all but keeping it 
above the ambient seems to make a world of difference.

Stuart

chrish@easynet.co.uk wrote:

>I had a long photography session last night (my first with this rig), some 6 
>hours in total. By the end of that time my Genesis SDF was heavily dewed - 
>including the objective. I need to do something about that but how much heat 
>can you get away with using before damaging image quality? I had carefully 
>cooled the thing down for an hour before starting so it seems a bit stupid to 
>start heating the thing up again. How do you guys cope with it?
>
>ChrisH
>
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