The E.Ludwig Meritar 2.9/50 50mm f/2.9 Lens is a vintage photography accessory designed for SLR cameras with Exa/Exakta mounts. Made with a sturdy metal lens barrel and featuring manual focus control, this standard lens from Germany offers a maximum aperture of f/2.9 and a focal length of 50mm. Weighing 129g, this lens is perfect for capturing clear and detailed images with a classic touch for vintage photography enthusiasts.