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Old 25-04-2012, 01:38 PM
Poita (Peter)
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Poita is offline
 
Join Date: Jun 2011
Location: NSW Country
Posts: 3,586
Quote:
Originally Posted by peter_4059 View Post
I've tried the factory heater ring however all the heat seems to transfer to the coma corrector rather than the front of the camera. If you look at how the ring is built you'll find the resistors are on the side of the pc board that faces the female t thread. I've made my own heater ring that sits around the nose piece of the camera and this works well at keeping dew of the front filter however I'm seeing dew form on the ccd instead.
I have the ring before the nosepiece.
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