Wards Adams 351
It uses a 3 element Leidolf Wetzlar Triplon 50mm f/2.8 lens. The leaf shutter has four speeds from 1/25 to 200 with a bulb setting. Flash sync is at 1/50 for bulbs and all speeds for electronic. A self-timer is also provided. It uses a single stroke film advance, that also advances the counter and cocks the shutter.