- 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 wavelength 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. Not an Extender Compatibility. Magnification with Extension Tube EF12 II- 0.65 at Tele (Not compatible at Wide). Magnification with Extension Tube EF25 II- 1.14 at Tele (Not compatible at Wide).Lens Construction:16 elements in 12 groups.Filter Size: 82mm, P=0.75mm/1 filter