Projection viewfinder

Sir Apfelot Blog

June 26, 2013
Telrad viewfinder

Telrad projection viewfinder with dew cap

There are some discussions as to whether a Telrad or a [red dot finder-> red dot finder] should be used as a finder for a [telescope-> telescope]. Anyone who opts for a Telrad viewfinder has several advantages, but they come at a price, because [...]