Tecnosky Diagonal Quartz mirror 90°, dielectric full coating , 2''

Tecnosky dielectric diagonal with a reflectivity of 99%. The mirror is made of quartz thus offering a great thermal stability with minimal dilations and contractions.
The optical treatment is greater than 1/12 lambda!
The structure is CNC aluminum, solid and very refined: the 2 "eyepiece holder and the 2" to 1.25 "adapter have the brass retaining ring.

Now also in the version with adapter for optical tubes SC, it is screwed directly on the original thread of the optics and allows the rotation of the angled return without accidental drops!

Specifications: