The SLSQ-60-250P is a Plano-Convex lens with a diameter of 60.0 mm and a focal length of 250.0 mm, sourced from OptoSigma. This lens is made of fused silica, a material known for its excellent thermal stability and resistance to chemical etching. The lens is uncoated, which means it does not have any additional layers to enhance its optical properties.
The lens's geometry includes a thickness edge of 3.0 mm and a thickness center of 7.0 mm. The effective focal length (EFL) is 250.0 mm, and the radius of curvature (R1) is 115.0 mm. The back focal length (BFL) is 245.2 mm, and the inner and outer radii are both 0.0 mm. The lens is designed to operate at a wavelength of 546.1 nm.
This lens is a Spherical type, and its base shape is Circular. It falls under the category of Spherical Lens (Plano-Convex) and is available from OptoSigma. According to the vendor's website, the lens is currently in stock.