Технические характеристики
- Lens Shape Plano-Convex
- Diameter 20.0 mm
- Lens Material N-BK7
- Antireflection Coating 400-700 nm
- Coating Type Visible Single-Layer MgF2
- Coating Code -C
- Damage Threshold 7 J/cm², 10 ns pulses, 20 Hz at 532 nm
- Surface Quality 60-40 scratch-dig
- F/# 2.5
- Effective Focal Length (EFL) 50.0 mm
- Back Focal Length (BFL) 47.40 mm
- Radius of Curvature (R) 25.936 mm
- Edge Thickness (Te) 2.0 mm
- Center Thickness (Tc) 4.00 mm
- Principal Plane 2 (P2) -2.60 mm
- Centration &le,3 arc min
- Clear Aperture &ge,central 90% of diameter
- Cleaning See How to Clean Optics
