The SLB-50B-170PM is a high-quality double-convex lens, boasting a diameter of 50.0 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 crafted from n-bk7 schott, a material widely recognized for its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry, with a thickness of 3 mm at the edge and 6.6 mm at the center. The effective focal length (EFL) is 171.1 mm, while the back focal length (BFL) is 168.9 mm.
The SLB-50B-170PM is coated with opt m on both the front and back surfaces, enhancing its performance in the 400-700nm wavelength range. This coating ensures high transmission and low reflection, making the lens ideal for a wide range of applications.