Canon EF 17-40mm F/4.0L USM
- Mount
- CANON EF
- Focal Length
- 17-40mm
- Max Aperture
- F/4
- Type
- Zoom
- Brand
- Unknown
Canon EF 17-40mm f/4L USM is a standard zoom lens for APS-C and full-frame Canon DSLR cameras, commonly used for wide-angle to normal focal lengths. Constant f/4 aperture is maintained throughout the zoom range.
Last verified: 2026-04-27