The U series consists of binoculars with a Porro prism design. They are ultra-compact and feature a housing with synchronized adjustment of the interpupillary distance. The new full coating ensures high light transmission. Aspherical lens elements provide edge-to-edge sharpness. These binoculars are the perfect companion for nearly all applications. The Papilio series holds a special position with a close focus distance of 50 cm. Multi-coating on all lenses, continuous rubber armoring for protection and secure grip, synchronized adjustment of the interpupillary distance, aspherical lens elements, lightweight and compact.