Dew shield or heater strap?

[lineout]

I'm looking for some dew protection and was wondering whether a dew shield or heater strap is more effective.

Cheers

[jase]

There have been numerous discussions on this topic; Here is one for example - http://www.iceinspace.com.au/forum/showthread.php?t=19623. I recommend you perform a search to get the information you require.