Технические характеристики
- Lens Shape Plano-Convex
- Diameter 25.4 mm
- Lens Material Sapphire
- Antireflection Coating Uncoated
- Surface Quality 60-40 scratch-dig
- F/# 1
- Effective Focal Length (EFL) 25.4 mm
- Back Focal Length (BFL) 21.9 mm
- Radius of Curvature (R) 19.51 mm
- Edge Thickness (Te) 1.5 mm
- Center Thickness (Tc) 6.2 mm
- Design Wavelength 589 nm
- Centration &le,3 arc min
- Diameter Tolerance +0/-0.25 mm
- Center Thickness Tolerance ±0.25 mm
- Clear Aperture &ge,central 90% of diameter
