[Starkler (Geoff)]

Originally Posted by Sentinel

I can recommend a 4 Channel Dew Heater controller from Thousand Oaks.

Allows adjustment of 4 different heaters and has a 12V port as well. I run the Argo Navis of the dedicated 12V port.

Very handy.

http://www.thousandoaksoptical.com/w...ducts/dew.html

I have the same one and have heaters/straps for the eyepiece, finderscope and telrad. Im still happily observing when others are cursing the dew and have given up

I also use the spare port for the argo navis.