The SLB-50.8B-120P is a high-quality double-convex lens, boasting a diameter of 50.8 mm and a focal length of 121.3 mm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical elements. The lens is made from n-bk7 schott, a material widely recognized for its excellent optical properties.
The lens features a base shape of a circle, with a thickness at the edge of 2.8 mm and a center thickness of 8 mm. The effective focal length (EFL) is 121.3 mm, while the back focal length (BFL) is 118.6 mm. The radii of curvature for the first and second surfaces are 124.56 mm and -124.56 mm, respectively.
Notably, this lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements. The lens is currently in stock and can be purchased directly from the vendor's website. For more detailed information, users are encouraged to visit the provided weblink.