TRH254-040-A 25.4 mm Dia. N-F2/N-K5 Unmounted Hastings Achromatic Triplet; EFL=40mm 400-700nm

The TRH254-040-A is a Hastings Achromatic Triplet lens, sourced from the renowned optical component manufacturer, Thorlabs. This lens is designed with a base shape of a circle, featuring a diameter of 25.4 mm and a thickness at the edge of 16.5 mm. The lens is constructed with three components, made from N-F2 and N-K5 Schott glass, which are renowned for their optical quality and durability.

The lens's geometry is intricately designed with four radii (r1, r2, r3, r4) and three center thicknesses (thickness center 1, 2, 3). The first radius (r1) is 30.2 mm, the second (r2) is 14.2 mm, the third (r3) is -14.2 mm, and the fourth (r4) is -30.2 mm. The center thicknesses are 2.5 mm, 17 mm, and 2.5 mm respectively, demonstrating the precision and detail that has gone into the design and manufacture of this lens.

The lens features a coating on both the front and back, specifically a THo TRH254-040-A coating. This coating enhances the lens's performance and durability, making it suitable for a wide range of applications. The lens is classified as a multiplet, indicating its complex and high-performance design.

The lens is currently in stock and available for purchase through the Thorlabs website, as indicated by the 'weblink status' field in the item data. For more information, users can visit the provided weblink, which leads directly to the product page on the Thorlabs website.