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added 86 characters in body
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garik
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What I have found:

  1. Answer goes from other field: astronomical observation. Phil was right: it should be some heating device. Here is a sample.

  2. Super device from DewBuster and hand-made anti-dew system

  3. Hand-made without heater (maybe it will work): Anti-Dewer: long tube, horn made from cardboard or plastic, it can be covered from the inside with black barhotom (only natural, it is better artificial), and outside paint matt black car paint for better protection from the elements. Get two in one: Anti-Dewer and blend together. Here is a sample.

  4. We can use thin sheets of black foam :)

What I have found:

  1. Answer goes from other field: astronomical observation. Phil was right: it should be some heating device. Here is a sample.

  2. Super device from DewBuster and hand-made anti-dew system

  3. Hand-made without heater (maybe it will work): Anti-Dewer: long tube, horn made from cardboard or plastic, it can be covered from the inside with black barhotom (only natural, it is better artificial), and outside paint matt black car paint for better protection from the elements. Get two in one: Anti-Dewer and blend together.

  4. We can use thin sheets of black foam :)

What I have found:

  1. Answer goes from other field: astronomical observation. Phil was right: it should be some heating device. Here is a sample.

  2. Super device from DewBuster and hand-made anti-dew system

  3. Hand-made without heater (maybe it will work): Anti-Dewer: long tube, horn made from cardboard or plastic, it can be covered from the inside with black barhotom (only natural, it is better artificial), and outside paint matt black car paint for better protection from the elements. Get two in one: Anti-Dewer and blend together. Here is a sample.

  4. We can use thin sheets of black foam :)

added 119 characters in body
Source Link
garik
  • 1.5k
  • 3
  • 18
  • 37

What I have found:

  1. Answer goes from other field: astronomical observation. Phil was right: it should be some heating device. Here is a sample.

  2. Super device from DewBuster and hand-made anti-dew system

  3. Hand-made without heater (maybe it will work): Anti-Dewer: long tube, horn made from cardboard or plastic, it can be covered from the inside with black barhotom (only natural, it is better artificial), and outside paint matt black car paint for better protection from the elements. Get two in one: Anti-Dewer and blend together.

  4. We can use thin sheets of black foam :)

What I have found:

  1. Answer goes from other field: astronomical observation. Phil was right: it should be some heating device. Here is a sample.

  2. Super device from DewBuster and hand-made anti-dew system

  3. Hand-made without heater (maybe it will work): Anti-Dewer: long tube, horn made from cardboard or plastic, it can be covered from the inside with black barhotom (only natural, it is better artificial), and outside paint matt black car paint for better protection from the elements. Get two in one: Anti-Dewer and blend together.

What I have found:

  1. Answer goes from other field: astronomical observation. Phil was right: it should be some heating device. Here is a sample.

  2. Super device from DewBuster and hand-made anti-dew system

  3. Hand-made without heater (maybe it will work): Anti-Dewer: long tube, horn made from cardboard or plastic, it can be covered from the inside with black barhotom (only natural, it is better artificial), and outside paint matt black car paint for better protection from the elements. Get two in one: Anti-Dewer and blend together.

  4. We can use thin sheets of black foam :)

Source Link
garik
  • 1.5k
  • 3
  • 18
  • 37

What I have found:

  1. Answer goes from other field: astronomical observation. Phil was right: it should be some heating device. Here is a sample.

  2. Super device from DewBuster and hand-made anti-dew system

  3. Hand-made without heater (maybe it will work): Anti-Dewer: long tube, horn made from cardboard or plastic, it can be covered from the inside with black barhotom (only natural, it is better artificial), and outside paint matt black car paint for better protection from the elements. Get two in one: Anti-Dewer and blend together.