The Canon EF 50mm f/1.8 lens from Canon helps you capture amazing close-ups. This standard prime lens with a fast maximum aperture of f/1.8 is effective in low light situations and offers shallow depth of field focus. Its lightweight compact structure of 4.6oz makes it ideal for everyday use. Gaussian optics provides sharp delineation throughout the focus range down to its minimum focus distance of 17.8. Ideal Compact StructureThe Canon EF 50mm f/1.8 is both lightweight and compact\, it has a plastic construction right down to the lens mount. This lightweight material combined with the small size puts the lens in the featherweight category. The lens is considered to be Canon’s lightest. Its lightweight construction allows you to easily change this lens when it is time to turn to a different tool in your photography bag.Smart Auto-Focus FunctionThe lens autofocus function is driven by a micro motor. The Focus speed is ideal and it easily adjusts in good light and with subjects that are not moving too quickly.ApertureThe lens has a maximum aperture of f/1.8 with five non-rounded aperture blades.