Dew zapper

Verified Buyer Reviewed by PJTramdack from New Castle PA on Monday, August 4, 2008
I am a telescope observer (amateur astronomer) and I use these in my eyepiece case to keep the eyepieces above the dew point. Also works banded to a small telescope objective cell. Cheap and easy anti dew solution that uses no power at all.
  • Pros: Works Well
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