The Voigtlander Color-Ultron 50mm f/1.8 Lens with QBM mount is a vintage lens designed for Rolleiflex and Rollei cameras. Made in Singapore, this manual focus lens features a maximum aperture of f1.8, capturing sharp images with vibrant colours. With a focal length of 50mm, this lens is ideal for portrait photography, providing photographers with a classic and high-quality lens option for their vintage camera setup.