Sight tube: cross-wires repair?
From: Tony Oz
Date: 2019 May 23, 11:43 -0700
Hello!
Just got an astronomical sight tube on a flee market. Alas, one pair of cross-wires is broken.
Does it matter if I use a copper wire as a replacement? The original wires look like made of steel.
Regards,
Tony
60°N 30°E