This is the AC050-010-C-ML, a mounted achromatic doublet lens from Thorlabs, designed for use in the 1050-1700nm wavelength range. The lens is part of Thorlabs' extensive catalog of optical elements, sourced from vendors worldwide and integrated into 3DOptix's advanced optical simulation software.
The lens features a base shape of a circle, with a diameter of 5mm. The edge thickness is 3.3mm, while the inner and outer radii are both zero. The first and second radii of curvature are 4.6mm and -4.6mm respectively, and the third radius of curvature is 36mm. The center thicknesses are 2.5mm and 1.5mm for the first and second centers respectively.
The lens is made from two types of Schott glass: N-LAK22 and N-SF6HT. Both the front and back surfaces of the lens are coated with Thorlabs' AC1050-1700-C coating, designed for use in the 1050-1700nm wavelength range.
The lens is a multiplet, meaning it is composed of multiple elements. This design helps to correct chromatic aberrations, making the lens suitable for a wide range of optical applications.
According to the vendor's website, the lens is currently in stock, and the weblink provided leads directly to the product page for easy access and further information.