This is a HO-BXL50-1.6 50mm Dia. N-BK7 Double-Convex Lens, sourced from Holmarc Opto-Mechatronics. The lens is uncoated and features a base shape of a circle. It has a diameter of 50mm and a thickness edge of 3mm. The effective focal length (EFL) of this lens is 80mm, making it suitable for various optical applications.
The lens is made of N-BK7, a popular glass type in the optical industry due to its excellent optical properties. The radii of curvature for this lens are r1: 81.554992 and r2: -81.554992. The inner and outer radii are both zero.
The lens is designed to work with a wavelength of 587.6nm. It is a spherical lens, specifically a convex-convex lens, which means it has two convex surfaces. The coating for this lens is not specified, indicating that it is likely uncoated.
For more information about this lens, including its availability and related products, you can refer to the vendor's website through the provided weblink: https://www.holmarc.com/bi_convex_lenses.php. The weblink has been verified and is currently valid, indicating that the lens is in stock.