Технические характеристики
- Lens Type Cylindrical
- Lens Shape Plano-Convex
- Size 25.4 x 6.35 mm
- Center Thickness (Tc) 5.38 mm
- Edge Thickness (Te) 3.0 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) 6.4 mm
- Back Focal Length (BFL) 2.86 mm
- Thickness 5.38 mm
- Centration
- Principal Plane 2 (P2) -3.54 mm
- Radius of Curvature (R) 3.310 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 1
- Cleaning See How to Clean Optics
