Технические характеристики
- Lens Type Achromatic Doublet
- Lens Shape Plano-Convex
- Diameter 50.0 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 60-40 scratch-dig
- Effective Focal Length (EFL) 150 mm
- Back Focal Length (BFL) 139.87 mm
- F/# 3
- Radius of Curvature (R) 86.84 mm
- Radius 2 -83.84 mm
- Radius 3 -894.70 mm
- Edge Thickness (Te) 12.47 mm
- Center Thickness (Tc) 16.5 mm
- Thickness, Center 1 11.00 mm
- Thickness, Center 2 5.50 mm
- Design Wavelengths 880 nm
- Centration 3-5 arcmin
- Chamfers 0.30 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 49 mm
