Плоско-вогнутые цилиндрические линзы N-BK7 без покрытия

Технические характеристики Lens Type Cylindrical Lens Shape Plano-Concave Size 50.8 x 19.05 mm Center Thickness (Tc) 6.0 mm Edge Thickness (Te) 7.62 mm Lens Material Grade A N-BK7 Antireflection Coating Uncoated Surface Quality 40-20 scratch-dig Surface Flatness &lambda,/2-&lambda,/4 Surface Accuracy, Irregularity, X Axis &le,&lambda,/4 per cm Surface Accuracy, Irregularity, Y Axis &le,&lambda,/2 Effective Focal Length […]