Технические характеристики
- Lens Shape Plano-Convex
- Diameter 50.8 mm
- Lens Material N-BK7
- Antireflection Coating 430-700 nm
- Coating Type Visible Multilayer
- Coating Code AR.14
- Damage Threshold 7.5 J/cm2, 10 ns pulses, 10 Hz at 532 nm
- Surface Quality 40-20 scratch-dig
- Surface Accuracy, Irregularity &lambda,/4
- Surface Accuracy, Power 1.5 &lambda,
- F/# 1.2
- Effective Focal Length (EFL) 62.9 mm
- Back Focal Length (BFL) 52.86 mm
- Radius of Curvature (R) 32.507 mm
- Edge Thickness (Te) 3.0 mm
- Center Thickness (Tc) 15.221 mm
- Principal Plane 2 (P2) -10.03 mm
- Design Wavelength 589 nm
- Centration &le,3 arc min
- Chamfers 0–0.8 mm face width
- Chamfers Angle/Tolerance 45° ±15°, typical
- Focal Length Tolerance ±1 %
- Diameter Tolerance +0/-0.1 mm
- Center Thickness Tolerance ±0.1 mm
- Clear Aperture &ge,central 90% of diameter
- Cleaning See How to Clean Optics
