Dewshield for 8" Celestron

[Strawb]

Dewshield or else dew heater system for C8 wanted

Cheers

[Poita]

I bought a camping mat, cut it to size and stuck it on the end of the scope. Works a treat and is super cheap.

[rainwatcher]

I made one once out of stiff card with some resistors and a small battery. No problem with heat haze from the resitors. Just calculated the wattage I wanted and used Ohms Law.

[rainwatcher]

Have a look at this in projects before spending money.
Good design stuff from Alan Sheehan

Build a Dew Heater from Resistors

[Strawb]

OK guys - many thanks