The KPX079 is a Plano-Convex lens with a diameter of 25.4 mm and a focal length of 38.1 mm. This lens is sourced from the reputable vendor MKS/Newport, and its detailed specifications are available at https://www.newport.com/f/uncoated-n-bk7-plano-convex-lenses. The lens is currently in stock, as indicated by the "weblink status" field.
The lens is made of N-BK7 Schott, a popular material in the optical industry due to its excellent optical properties. The lens's geometry includes a thickness edge of 3 mm and a thickness center of 7.643 mm. The effective focal length (EFL) is 38.1 mm, and the radius of curvature (R1) is 19.69 mm. The back focal length (BFL) is 33.06 mm, and the inner radius is 0 mm.
The lens is uncoated, which means it does not have any anti-reflective or other coatings. This may be suitable for applications where such coatings are not required or desirable. The lens's shape is spherical, and it is designed to operate at a wavelength of 589 nm.