Wide-angle prime is designed for use with full-frame Leica L-mount mirrorless cameras, however can also be used with APS-C models where it provides a 36mm equivalent focal length. Eight elements, seven groups optical design provides a classic image quality that is also well-suited to use on current image sensors. Manual focus design permits working with subjects as close as 9.8" away. Engraved focus distance and depth of field scales benefit working with pre-focus and hyperfocal focusing techniques. Six diaphragm blades contribute to a pleasing bokeh quality. All-metal construction realizes a physically durable design that is also lightweight and easy to handle. Focus ring has a 120° throw and the aperture ring has a 76° angle of rotation. Exterior diameter of 58mm is consistent throughout the entire Iberit lens lineup.