The SLB-60B-200PM is a high-quality double-convex lens, boasting a diameter of 60.0 mm and a focal length of 201.2 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 7.4 mm at the center. The effective focal length (EFL) is 201.2 mm, while the back focal length (BFL) is 198.8 mm. The radii of curvature for the first and second surfaces are 207.6 mm and -207.6 mm, respectively.
The SLB-60B-200PM is coated with opt m on both the front and back surfaces, enhancing its performance in the wavelength range of 400-700nm. This coating ensures high transmission and low reflection, making the lens suitable for a wide range of applications.