SLSQ-40B-50N 40.0 mm Dia. x -49.7 mm FL; Double-Concave Lens Uncoated

The SLSQ-40B-50N is a high-quality double-concave lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed for use in various optical systems, boasts a diameter of 40.0 mm and a focal length of -49.7 mm, making it suitable for applications that require a negative focal length.

The lens is fabricated from 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-concave geometry with radii of curvature of -46 mm and 46 mm for the first and second surfaces, respectively. This geometry results in a back focal length of -50.3 mm.

The lens has an edge thickness of 11.2 mm and a center thickness of 2 mm, providing structural integrity and minimizing potential distortions. The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements.

The SLSQ-40B-50N is designed to operate at a wavelength of 546.1 nm, making it suitable for use in a wide range of optical systems. Its high-quality construction and precise specifications make it an excellent choice for researchers and engineers in various fields, including physics, engineering, and biomedical research.