Compatible Camera Mount: Olympus M4/3 / Fuji X / Canon EOS M/ Sony E Focus Type: Manual Only Lens Type: Fixed-Non-Zoom Maximum Aperture: F1.4 Minimum Aperture: F16 Photo Filter Thread Size: 49mm Number of Diaphragm Blades: 14 Number of Elements: 6 Number of Groups: 5 Full Frame Available: No