The SLB-50.8B-170PIR1 is a high-quality double-convex lens, boasting a diameter of 50.8 mm and a focal length of 171.1 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 features a spherical geometry, with a thickness of 2.4 mm at the edge and 6.1 mm at the center. The effective focal length (EFL) is 171.1 mm, while the back focal length (BFL) is 169 mm.
The SLB-50.8B-170PIR1 is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the wavelength range of 633-1064nm. This coating ensures high transmission and low reflection, making the lens suitable for various applications.