Angle of View (diagonal): 34° - 8°15'Lens Construction: 18 elements in 12 groups No. of Diaphragm Blades: 6 Minimum Aperture: f/32 - 40 Closest Focusing Distance(m): 1.4m Maximum Magnification(x): 0.19x AF Actuator: Ring USM Filter Diameter(mm): 58mm