A unique 65mm focal length and bright f/2 aperture define this compact prime, packing 12 elements with 2 aspherical and 1 ED element into a weather-sealed, all-metal barrel at just 405g. Its knurled focus and aperture rings enable precise tactile control, while the 9-blade diaphragm yields smooth, rounded bokeh for subject isolation. Best for street photographers and environmental portrait shooters seeking a lightweight, weather-resistant L-Mount lens with a distinctive, versatile field of view.