The SLSQ-40B-150P is a high-quality double-convex lens offered by OptoSigma, a renowned vendor in the optical industry. This lens, with a diameter of 40.0 mm and a focal length of 150.8 mm, is designed for use in a variety of optical systems.
The lens is made of fused silica, a material known for its excellent optical properties, including high transparency and resistance to thermal shock. The base shape of the lens is circular, and it features a double-convex geometry, with radii of curvature of 138 mm for the first surface and -138 mm for the second surface. This geometry results in a back focal length of 149.2 mm.
The lens has a thickness of 2 mm at the edge and 4.9 mm at the center. Notably, it 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.
According to the vendor's information, this lens is in stock and available for immediate purchase. Further details, including technical specifications and purchasing information, can be found on the vendor's website through the provided weblink.