This is the lightest EF lens of all at a mere 130g, very compact and providing a high-performance for a standard lens.
Its Gaussian optics provide sharp delineation from near to far focusing distances. The color balance is excellent for a standard lens.

Diagonal Angle of View: 46°
Lens Construction (elements/groups): 6/5
No. of Diaphragm blades: 5
Minimum Aperture: 22
Closest Focusing Distance (m): 0.45
Maximum Magnification (x): 0.15
AF Actuator: MM
Filter Diameter: 52mm