A simple forward push on the focus ring brings the user right back to autofocus mode. The Mamiya C also has a dual-position manual and autofocus clutch providing for fast transitions to manual focus by simply pulling the focus ring on the lens. In addition, the 150 mm f/3.5 lens reduces flare for a crisp and clean picture each time. For instance, the Mamiya C is designed with its own glass used in its 5/5 groups and elements optical construction as well as utilizing a proprietary multi-coating process. Engineered for amateur and professional use, the 150 mm f/3.5 lens is quality-controlled at every level of construction. The Mamiya camera lens also allows users to crop a picture in the camera without having to change the camera's position. With a unique zoom range, the Mamiya C is an ideal lens for any type of photography ranging from landscape to portraiture. This versatile Mamiya camera lens has an increased light transmission providing for clear images and vibrant colors.