Технические характеристики
- Lens Shape Bi-Convex
- Diameter 38.1 mm
- Lens Material N-BK7
- Antireflection Coating Uncoated
- Surface Quality 60-40 scratch-dig
- F/# 1.3
- Effective Focal Length (EFL) 50.0 mm
- Back Focal Length (BFL) 49.4 mm
- Edge Thickness (Te) 2.0 mm
- Center Thickness (Tc) 9.1 mm
- Principal Plane 2 (P2) -0.6 mm
- Design Wavelength 589 nm
- Centration 3 arc min
- Focal Length Tolerance ±2 %
- Diameter Tolerance +0/-0.25 mm
- Center Thickness Tolerance ±0.25 mm
