The SLB-40-500PM is a Plano-Convex lens with a diameter of 40.0 mm and a focal length of 500.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of n-bk7 schott material, a popular choice for its high refractive index and low dispersion.
The lens's geometry is characterized by a thickness of 2.0 mm at the edge and 2.8 mm at the center. The front and back surfaces of the lens are coated with an opt m coating, which enhances its transmission capabilities within the wavelength range of 400-700nm. The lens's shape is spherical, and it has an inner radius of 0 mm and an outer radius of 0 mm.
The lens's effective focal length (EFL) is 500.2 mm, and its back focal length (BFL) is 498.2 mm. The radius of curvature (R1) of the lens is 259.5 mm. The lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website provided in the weblinks section.