The SLB-08-15PIR1 is a Plano-Convex Lens, a type of spherical lens, sourced from OptoSigma. This lens, designed for use within the wavelength range of 633-1064nm, is made from the high-quality material n-bk7 schott. The lens has a diameter of 8.0 mm and a thickness of 1.5 mm at the edge, with a center thickness of 2.6 mm. The effective focal length (EFL) of this lens is 15.0 mm, and the front and back surfaces are coated with opt ir1 for optimal performance. The lens's geometry includes an inner radius of 0 mm and an outer radius of 0 mm, with a radius of curvature of 7.79 mm for the front surface. The back focal length (BFL) is 13.3 mm. This lens is available for purchase directly from the vendor's website, where it is currently listed as in stock.