SLSQ-40B-170P 40.0 mm Dia. x 170.8 mm FL; Double-Convex Lens Uncoated

The SLSQ-40B-170P 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 170.8 mm, is designed for use in a wide range of optical applications.

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 156.4 mm and -156.4 mm for the first and second surfaces, respectively. This geometry results in a back focal length of 169.2 mm.

The lens has a central thickness of 4.6 mm and an edge thickness of 2 mm, providing robustness and durability. It is designed to operate at a wavelength of 546.1 nm, making it suitable for use in applications that require high-precision imaging or light manipulation at this wavelength.

Notably, the lens is uncoated, offering users the flexibility to apply their own coatings based on their specific application requirements. However, it's important to note that the lack of coating may result in reduced transmission and increased susceptibility to environmental factors such as dust and moisture.