Технические характеристики
- Lens Shape Plano-Convex
- Diameter 25.4 mm
- Lens Material AMTIR-1
- Antireflection Coating Uncoated
- Surface Quality 80-50 scratch-dig
- F/# 1.5
- Effective Focal Length (EFL) 38.6 mm
- Back Focal Length (BFL) 37.29 mm
- Radius of Curvature (R) 58.34 mm
- Edge Thickness (Te) 1.9 mm
- Center Thickness (Tc) 3.3 mm
- Design Wavelength 5 µm
- Centration &le,3 arc min
- Diameter Tolerance +0/-0.25 mm
- Center Thickness Tolerance ±0.25 mm
- Clear Aperture &ge,central 90% of diameter
