A golden oldie, great for low-light shooting. SQF test results were in the Excellent range, distortion in the Slight range—both above average performances for a fast lens.
Standout Spec: Extra-small Micro USM AF motor allows for manual focusing.
Pentax 16–50mm f/2.8 DA* SDM
Pentax 50mm f/1.4 FA
Olympus Zuiko Digital 50–200mm f/2.8–3.5 ED
Olympus Zuiko Digital ED 50MM F/2 Macro
Pentax 60–250mm f/4 Pentax DA* ED SDM