The SLB-50B-50NIR1 is a high-quality double-concave lens, 50.0 mm in diameter, and featuring a focal length of -49.5 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it has a thickness of 15.8 mm at the edge and 3 mm at the center. The lens's design includes a double-concave geometry, with radii of curvature of -51.9 mm for the first surface and 51.9 mm for the second surface.
The SLB-50B-50NIR1 is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the 633-1064nm wavelength range. This coating ensures high transmission and low reflection, making it ideal for various applications, including laser systems and optical imaging.