Optical block glass

• Block glass
• Two mutually opposite lateral faces buffed up for testing
• Other faces natural-blank or cut
• Edges rounded

• (240 x 230 x 140) mm³
• (190 x 180 x 140) mm³
• (170 x 160 x 140) mm³

Tolerance
± 30 mm for all dimensions


[Higher precision on request]