The SLB-40B-200PIR1 is a high-quality spherical lens, boasting a double-convex design with a 40.0 mm diameter and a focal length of 200.6 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 popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, with a thickness of 2 mm at the edge and 3.9 mm at the center. The effective focal length (EFL) is 200.6 mm, while the back focal length (BFL) is 199.4 mm.
The SLB-40B-200PIR1 features a coating of opt ir1 on both the front and back surfaces, enhancing its performance in the wavelength range of 633-1064nm. This coating ensures optimal light transmission and reduces unwanted reflections, making it an ideal choice for various applications.