In March 1987, Canon produced the first EF series lens. In November, they followed up with the industry’s first Ultrasonic Motor powered lens – the EF 300mm f/2.8L USM. Then in September 1989 came the EF 50mm f/1.0L USM. Yes, that right, f/1.0.

Now it has reached the incredible milestone of producing over 40 [...]