Технические характеристики
- Lens Type Achromatic Doublet
- Lens Shape Plano-Convex
- Diameter 25.0 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) 40.0 mm
- Back Focal Length (BFL) 31.74 mm
- F/# 1.6
- Radius of Curvature (R) 26.27 mm
- Radius 2 -22.26 mm
- Radius 3 -105.93 mm
- Edge Thickness (Te) 11.09 mm
- Center Thickness (Tc) 15.0 mm
- Thickness, Center 1 11.00 mm
- Thickness, Center 2 4.00 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 24 mm
