Quote:
Originally Posted by disturbed13
besides the fact that it keeps the dew off of the optics
whats the point?
its just a heater right?
(yes im a noob, dont kill me)
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Correct.
The key is to be able to adjust the amount of heat, so you can use as little as possible to prevent dew forming. It takes a lot more energy to get rid of due once it forms, than it does to prevent it. Use too much heat and you create thermal air flows that distort your vision/image.
Al.