BK-7 Plano-Convex Cylindrical Lens Square Size 40 / 60mm Uncoated K9 Cylindrical Lens Optical Experiment Focusing Beam Expanding

Material: K9 optical glass
Design wavelength: 587.6nm
Dimension error: + 0.1 / -0.1mm
Center thickness error: + -0.2mm
Lens centering error: 3-5 minutes
Surface finish: Grade 3-4
Chamfer: 0.2×45 °