- Ultra-wide zoom with constant f/2.8 aperture for low-light and depth of field control
- L-series optics with large-diameter double-surface aspherical and UD elements for exceptional sharpness
- Air Sphere Coating to reduce flare and ghosting
- Ring-type USM autofocus for fast, precise, and quiet focusing
- Weather-sealed construction for professional durability
- Minimum focusing distance of 0.28m across the zoom range
- Full-time manual focus override for precise control
General:
- Professional ultra-wide zoom lens
- Ideal for landscapes, architecture, interiors, and astrophotography
- Delivers edge-to-edge sharpness and excellent color rendition
Interface / Mount:
- Canon EF mount
- Compatible with full-frame and APS-C Canon DSLR cameras













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