Description General Tolerance In Speicial Case

Material Chinese Optical Glass Schott / Ohara / HOYA / Corning Glass

Diameter Range 3.00~100.00mm 2.00~200.00mm

Diameter tolerance +/-0.025mm +/-0.005mm

Thickness >/=1.0mm 0.5mm.

Thickness Tolerance +/-0.05mm +/-0.015mm.

Form Error 3/3(0.5)fringe 3/1(0.2)fringe

Parallelism 1.0arcmin. 15.0 arc-seconds.

Surface Defects 5/3x0.16 5/3x0.04

Coating Normal BBAR & Mirror Coating. Normal BBAR & Mirror Coating.