China 532&1064nm Safety Protection Glasses Goggles for Laser, Find details about China Laser Safety Goggles, High Quality Protective Glasses from 532&1064nm Safety Protection Glasses Goggles for Laser
Range of diameter | Dia.0.7mm-dia.400mm |
Range of curve radius | R1.5-r∞ etc. |
Tolerance of diameter | +/-0.1, +/-0.01, +/-0.005 etc. |
Surface accuracy | Λ , 1/2λ , 1/4λ , 1/10λ etc. |
Tolerance of thickness | +/-0.1, +/-0.05, +/-0.01 etc. |
Centration | +/-2′,+/-1′ etc. |
Aperture n | 5, 1 etc. |
Irregularity δn | 2, 1, 0.5, 0.2 etc. |
Surface quality | 60/40, 40/20, 20/10, 10/5 etc. |