The 63-846 is a high-quality spherical lens, boasting a 25mm diameter and a focal length of 300mm. This lens is sourced from the reputable vendor, Edmund Optics, and is available for purchase directly from their website. The lens is currently in stock, ensuring quick and efficient delivery for your project needs.
This lens is designed with a double-convex geometry, featuring a base shape of a circle. The lens's thickness at the edge is 2.52mm, while the thickness at the center is 3.09mm. The effective focal length (EFL) is 300mm, and the back focal length (BFL) is 298.94mm. The radii of the first and second surfaces are 274.6mm and -274.6mm, respectively.
The lens is constructed from fused silica, identified as mal-1965 in the material database. It is designed to operate at a wavelength of 587.6nm. The lens features a VIS-NIR coating on both the front and back surfaces, identified as edm visnir0sp2002000. This coating enhances the lens's performance in the visible and near-infrared spectrum, specifically between 400nm and 1000nm.