Telrad Dew Shield - Dew Shield for Telrad to Reduce Condensation
The Telrad Dew Shield helps to reduce or even to keep away condensation from your Telrad Finder.
(Please also consider the version that also comes with a mirror that provides a comfortable right angle viewing position.)
Comes with an instruction that explains how to install it.
An unprecedented in the UK range of accessories and replacement parts for your Telrad finder are available from 365astronomy.