Typical shapes include flat, spherical and cylindrical.

Coating materials include aluminum, silver, gold or dielectric.

Substrates can be optical glass, silicon, metals, fused silica, Pyrex, Zerodur or other materials.

Shapes can be round, elliptical, rectangular or any other custom designs

Upon request, we also have a wide range of special sizes, shapes and custom coatings available.

	maximum	minimum
Diameter	200	2
Diameter tolerance	-	0.02
Clear aperture	95%	-
Thickness	200	0.1
Thickness tolerance	-	0.02
Surface Figure	-	0.1
Surface Quality	120-80	10-5
Parallelism	-	2 sec
Chamfer edges	-	0.2
Chips	-	0.2