SLB-25B-200PIR2 25.0 mm Dia. x 200.5 mm FL; Coated; Double-Convex Lens 750-1550nm

The SLB-25B-200PIR2 is a 25.0 mm diameter, double-convex lens with a focal length of 200.5 mm, specifically designed for use in the 750-1550nm wavelength range. This lens is sourced from OptoSigma, a renowned vendor in the optical industry.

The lens is made from n-bk7 schott, a high-quality optical glass known for its excellent transmittance and low auto-fluorescence. The base shape of the lens is circular, and it features a spherical geometry with a center thickness of 2.8 mm and an edge thickness of 2 mm. The front and back surfaces of the lens are coated with opt ir2, a broadband anti-reflection coating that enhances transmission and reduces surface reflections.

The lens has a front radius of curvature of 207.6 mm and a back radius of curvature of -207.6 mm, resulting in a back focal length of 199.5 mm. The lens is designed to be used in air, with a refractive index of 1.000293 at 546.1 nm.

The item data indicates that this lens is in stock, and the web link provided leads to the product page on OptoSigma's website, where more information and specifications can be found. This lens is a great choice for applications that require a high-quality, double-convex lens in the 750-1550nm wavelength range.