This is a used SMC Pentax-M 50mm f1.7 lens. It's a fantastic manual focus prime lens known for its sharpness and beautiful bokeh. This lens is in good condition and comes with a skylight filter. Here are some key specs: * Focal Length: 50mm * Aperture: f1.7 * Mount Type: Pentax K * Filter Size: 49mm If the ad's still up, the lens is still available!
