The 49-972 is a UV Plano-Convex Lens, offered by Edmund Optics, with a diameter of 20mm and a focal length of 35mm. This lens is designed for use within the ultraviolet-visible (UV-VIS) spectrum, specifically catering to wavelengths between 250nm and 700nm.
The lens is made from fused silica, a material with the material ID 'fused sil mal-1965', ensuring high transmittance and durability. The front and back surfaces of the lens are coated with the EDM UV-VIS standard curve, enhancing its performance within the UV-VIS range.
The lens's geometry is characterized by a thickness of 1.5mm at the edge and 5mm at the center. The inner and outer radii are both zero, indicating a planar surface on the non-curved side. The radius of curvature on the curved side is 16.05mm, and the back focal length is 31.58mm.
According to the provided data, this lens is currently in stock and available for immediate purchase. The product's webpage can be accessed via the provided link for more detailed information or to place an order.