Used Tele Vue 2" Diagonal (older version) CATS which is consistently maintained within

which is consistently maintained within ±15 arcseconds

What About Your Finderscope

But where do you begin

The Etalon filter adjustment is NOT  tilted to only simulate a balance to the air pressure

an instruction manual

Used Tele Vue 2" Diagonal (older version) CATS which is consistently maintained withinThis is a used Tele Vue 2" Diagonal in excellent condition. The optics are clean and the body is unmarked. This includes two dust caps and no box. This is an older version and has now been superseded by the Tele Vue Everbrite diagonal which is described below. 90 Everbrite Diagonals Whiter and brighter images. Simply put, that is the benefit the Everbrite mirror coating. This exotic, dielectric, nonmetallic coating is 99% reflective across the full