355440-B 4.7 mm Dia. D-ZLAF52LA Molded Glass Aspheric Lenses; EFL=2.8 mm; NA=S1:0.26; S2:0.52 AR 600-1050nm

The 355440-B is a high-quality aspheric lens, precision-molded from D-ZLAF52LA glass, a unique material with exceptional optical properties. This lens boasts a 4.7 mm diameter and a thickness of 2.68 mm at the edge, making it suitable for a wide range of applications. The lens has a focal length of 2.8 mm, providing a compact solution for imaging systems.

The lens's aspheric design, characterized by radii r1 and r2 of 3.200655 mm and -3.200655 mm respectively, ensures superior image quality by minimizing spherical aberration. The lens's center thickness is 3.827 mm, and its k1 and k2 values are -4.321649, further enhancing its optical performance.

The 355440-B lens features a broadband anti-reflection coating, applicable for wavelengths between 600 and 1050 nm, on both the front and back surfaces. This coating reduces surface reflections, improving light transmission and enhancing the overall system performance.

The lens is available from Thorlabs, a leading vendor in the optical components industry. The item data indicates that the lens is currently in stock, ensuring quick delivery times. For more information, users can visit the provided weblink, which leads directly to the product page on Thorlabs' website.