- Standard zoom is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 44.8-120mm equivalent focal length range
- Bright f/2.8 constant maximum aperture affords consistent brightness throughout the zoom range, and benefits working in difficult lighting conditions
- Internal auto focus motor with manual override for quick and precise focusing performance
- XR (extra refractive) and LD (low dispersion) glass among 16 elements and 14 groups helps to improve sharpness, contrast, and color accuracy
- Seven-blade circular diaphragm contributes to a smooth and pleasing bokeh quality