- High performance L-series ultra-wide-angle zoom lens with constant f/2.8 maximum aperture.
- All-new optical design for significant improvements in outer and corner sharpness.
- Sub wave length Coating (SWC) and Air Sphere Coating (ASC) help to significantly reduce flare and ghosting.
- Highly resistant to dust and water intrusion, enabling shooting even in harsh conditions.
- Circular aperture (9 blades) helps deliver beautiful, soft backgrounds