The ACN254-050-B is a 25.4 mm diameter achromatic doublet lens, featuring a negative focal length of -50mm, specifically designed for use within the spectral range of 650-1050nm. This lens is a multiplet, meaning it is composed of multiple optical elements, in this case, two distinct materials - n-baf10 schott and n-sf6ht schott.
The lens's geometry showcases a 9.1mm edge thickness, with a central thickness of 2mm for the first element and 4mm for the second. The curvature of the lens is defined by three radii: r1=-27.05mm, r2=33.91mm, and r3=-1330.5mm. The lens's design is circular, with no inner or outer radius specified.
The ACN254-050-B is coated with tho ac650-1050-b on both the front and back surfaces, enhancing its performance within the specified spectral range. This lens is sourced from Thorlabs, a reputable vendor in the optical industry, and is currently in stock. Users can find more information, including pricing and availability, on the Thorlabs website.