Canon introduced the Rangefinder camera, Canon 7, and 50mm 1:0.95 lens in a special bayonet mount. In 1964 Canon introduced the’Canola 130’, the first Japanese made 10-key calculator, a substantial improvement on the design of the British Bell Punch company, which introduced the first fully electronic calculator two years earlier with the Sumlock Anita Mark 8 unit. In 1965 Canon introduced the Canon Pellix, a single lens reflex(SLR) camera with a semi-transparent stationary mirror which enabled the taking of pictures through the mirror.