[Tandum (Robin)]

This is a T-Threaded Optic Window Heater.

It is designed to screw to a cameras T-Threaded nose piece and heat the optic window to reduce fogging.
It has a Male T-Thread on one side and a female T-Thread on the other.
Requires 12 volts via a 2.1mm plug to operate.
Adds about 5mm to the path.

$40 Posted.