This product is a Plano-Convex Lens, sourced from the reputable optical vendor, Edmund Optics. The lens has a diameter of 15.0mm and a focal length of 20.0mm, making it suitable for a wide range of applications. The lens is coated with a VIS-NIR coating, specifically edm visnir0sp2002000, on both the front and back surfaces, enhancing its performance in the visible to near-infrared spectrum (400-1000nm).
The lens is made of n-sf5 schott, a material known for its high refractive index and low dispersion, making it ideal for imaging applications. The geometry of the lens includes a thickness of 1.52mm at the edge and 3.8mm at the center, with an effective focal length (EFL) of 20.0mm. The radius of curvature for the first surface (R1) is 13.46mm, and the back focal length (BFL) is 17.74mm.
The lens is spherical in shape and circular in base shape. The web link provided leads to the product page on Edmund Optics' website, where users can find more information, including the lens's availability and pricing.