Цилиндрическая линза, плоско-вогнутая, N-BK7, 50,8x25,4 мм, -75 мм FL, 1000–1550 нм Модель: CKV075AR.18

Технические характеристики

• Lens Type Cylindrical
• Lens Shape Plano-Concave
• Size 50.8 x 25.4 mm
• Center Thickness (Tc) 6.0 mm
• Edge Thickness (Te) 7.97 mm
• Lens Material Grade A N-BK7
• Antireflection Coating 1000-1550 nm
• Coating Code AR.18
• 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 (EFL) -75.0 mm
• Back Focal Length (BFL) -78.96 mm
• Thickness 6.0 mm

• Centration
• Principal Plane 2 (P2) -3.96 mm
• Radius of Curvature (R) -38.770 mm
• Size Tolerance ±0.1 mm
• Focal Length Tolerance ± 2.0%
• Center Thickness Tolerance +0.5/-0.25 mm
• Edge Thickness Tolerance ±0.3 mm
• Wedge
• Clear Aperture &ge,central 80% of dimensions
• Chamfers 0.5 mm face width
• Chamfers Angle/Tolerance 45°, typical
• f/Y -3
• Cleaning See How to Clean Optics