Технические характеристики
- Lens Type Achromatic Doublet
- Lens Shape Plano-Convex
- Diameter 12.0 mm
- Antireflection Coating 750-1550 nm
- Coating Type NIR Multilayer
- Coating Code AR.16E
- Damage Threshold 1.0 J/cm2 @ 1064 nm, 10 ns , 10 Hz
- Lens Material N-LaK22/N-SF6
- Surface Quality 40-20 scratch-dig
- Effective Focal Length (EFL) 20.0 mm
- Back Focal Length (BFL) 14.18 mm
- F/# 1.7
- Radius of Curvature (R) 13.13 mm
- Radius 2 -9.59 mm
- Radius 3 -45.11 mm
- Edge Thickness (Te) 8.65 mm
- Center Thickness (Tc) 10.5 mm
- Thickness, Center 1 8.00 mm
- Thickness, Center 2 2.50 mm
- Design Wavelengths 880 nm
- Centration 3-5 arcmin
- Chamfers 0.25 mm
- Chamfers Angle/Tolerance 45
- Diameter Tolerance +0.0/-0.1 mm
- Focal Length Tolerance ±2.0%
- Center Thickness Tolerance ± 0.2 mm
- Clear Aperture 11 mm
