The SLSQ-25B-50N is a high-quality, double-concave lens offered by OptoSigma. This lens, designed for use in various optical applications, boasts a 25.0 mm diameter and a focal length of -49.7 mm, making it a versatile choice for a range of setups.
The lens is crafted 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 a central thickness of 2 mm and an edge thickness of 5.5 mm, providing a robust structure while maintaining a sleek profile. The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements.
The SLSQ-25B-50N is currently in stock and available for immediate purchase through the OptoSigma website. With its superior quality and versatile specifications, this lens is an excellent choice for a wide array of optical applications.