A standard lens staple, the 50mm with F1.4. Two high-refraction glass elements are used in the optical system to suppress flare at maximum aperture and correct various aberrations well. Sharp depiction and natural bokeh can be obtained. Full-time manual focus is also possible. Product Specifications Maximum diameter x overall length φ73.8φ x 50.5mm Filter diameter 58mm Body weight Approximately 290g Angle of view 46° Lens configuration 6 groups 7 elements Minimum aperture F22 Number of aperture blades 8 Focal length 50mm (80mm equivalent in 35mm format) Minimum shooting distance 0.45m Maximum shooting magnification 0.15x Accessories Case, hood Specification 1 Micro USM Specification 2 Full-time manual Specification 3 Maximum aperture F1.4 Focal length: 50 mm Maximum aperture: F1.4 Minimum shooting distance: 0.45 m Lens configuration: 6 groups 7 elements Maximum diameter x length: 73.8 x 50.5 mm Weight: 290 g Filter diameter: 58 mm Product Specifications Color Black Series name EF single-focus lens Brand name Canon Manufacturer model number EF5014U