The SLB-50-250NIR1 is a Plano-Concave Spherical Lens, 50.0 mm in diameter, with a focal length of -250.0 mm, sourced from OptoSigma. This lens is designed for use within the wavelength range of 633-1064nm, making it suitable for a variety of applications within this spectrum.
The lens is crafted from n-BK7 Schott, a high-quality optical glass, and features a Plano-Concave geometry. The lens's thickness at the edge is 5.4 mm, while its center thickness is 3 mm. The front and back surfaces of the lens are coated with opt IR1, a coating specifically designed for use within the infrared spectrum.
The lens's inner and outer radii are both 0, indicating a flat surface on one side and a curved surface on the other. The back focal length (BFL) is -252 mm, and the effective focal length (EFL) is -250 mm.
According to the vendor's website, the lens is currently in stock, making it readily available for immediate use. The provided weblink leads directly to the product page on OptoSigma's website, allowing for easy access to additional information or for making a purchase.