The 40540 Focusing Lens is used to focus a collimated beam from a light source onto a glass fiber. This 1.5 inch (38.1 mm) diameter plano-convex lens is made with Select quality Borosilicate Crown Glass (N-BK7/A). It has a 50 mm focal length and a 330 to 2200 nm range.
Технические характеристики
- Lens Shape Plano-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
- Design Wavelength 589 nm
- Centration 3 arc min