If you own a Canon EF 50mm F1.4 USM lens, listen up: Canon has issued a 'service notice' for your lens. If your lens matches the serial numbers described below, your lens could experience a "focus operation-related malfunction," and you should send it in for an inspection and free repair.
The focus issue happens in both AF and MF modes, when you move from infinity focus back towards close-up focus. According to Canon "when the focus position is moved from the infinity end to the... more