Технические характеристики
- Lens Type Cylindrical
- Lens Shape Plano-Convex
- Size 50.8 x 19.05 mm
- Center Thickness (Tc) 7.88 mm
- Edge Thickness (Te) 3 mm
- Lens Material UV Grade Fused Silica
- Antireflection Coating 245-440 nm
- Coating Code AR.10
- Surface Quality 40-20 scratch-dig
- Surface Flatness &lambda,/2-&lambda,/4
- Effective Focal Length (EFL) 25.4 mm
- Back Focal Length (BFL) 20.2 mm
- Thickness 7.88 mm
- Principal Plane 2 (P2) -5.20 mm
- Radius of Curvature (R) 11.68 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 1.3
- Cleaning See How to Clean Optics
