The SLB-25.4B-25PIR2 is a spherical lens with a base shape of a circle, designed and manufactured by OptoSigma. This lens is specifically designed for use within the wavelength range of 750-1550nm, making it suitable for a variety of applications within the infrared spectrum.
The lens has a diameter of 25.4mm and a thickness at the edge of 1.8mm, with a center thickness of 8.4mm. The effective focal length (EFL) of this lens is 26.5mm, and it has a back focal length (BFL) of 23.6mm. The first radius of curvature (R1) is 25.95mm, while the second radius of curvature (R2) is -25.95mm, indicating a double-convex lens design.
The lens is made from n-bk7 Schott, a popular material for optical lenses due to its excellent optical properties. The lens is coated with Opt IR2 on both the front and back surfaces, enhancing its performance within the infrared spectrum.
This lens is currently in stock and available for purchase through the OptoSigma website. The provided weblink leads directly to the product page for easy access and ordering.