Closest Focusing Distance: 0.5m / 1.64ft Dimensions: Length: 54.8mm. Width: 63mm Filter Size: φ52mm Focal Length: 50mm (50mm Full Frame / 75mm APS-C) Geared Focus / Iris: Y Lens Construction: 7 elements in 6 groups Lens Type: Prime Maximum Aperture: F1.1 Minimum Aperture: F16 Mount Type: E | FE No. Diaphragm Blades: 13 diaphragm blades...