Vernonscope 1/20th Wave Quartz Star Diagonals
1/20th Wave 2 Inch Quartz Star Diagonal
This diagonal is built in the USA around a quartz flat with silver reflective coating and a protective quartz overcoat. The 2" diagonal will take 2" eyepieces or 1.25" with an adapter.
Mirrors are guaranteed to have interferometry results of at least 1/20th wave PV (peak to Valley measurement). Each quartz piece has a serial number and comes with an interferogram with the results of the surface testing for the quartz in your diagonal.
The cost for the 2 inch diagonal is $795 plus shipping.

1/20th Wave 1.25" Quartz Star Diagonal
This diagonal is built in the USA around a quartz flat with silver reflective coating and a protective quartz overcoat. The 1.25" diagonal will take 1.25" eyepieces.
Mirrors are guarenteed to have interferometry results of at least 1/20th wave PV (Peak to Valley measurement). Each quartz piece has a serial number. Each diagonal comes with an interferogram with the results of the surface testing for the quartz in your diagonal.
The cost for the 1.25" diagonal is $495 plus shipping.
