The new EF 11-24 f/4
- World’s widest angle ultra-wide zoom with 11-24mm focal length.
- f/4 fixed aperture, high-performance standard zoom L-series lens.
- Uses four aspherical lens elements (including the world’s largest diameter ground aspherical lens within a photographic lens) and UD and Super UD lens elements, ensuring the highest image quality.
- Canon unique SWC and new ASC anti-reflective coatings.
- Fluorine coating on the lens surfaces to prevent dirt sticking to lens elements.
- Silent, fast autofocus using a ring type USM.
- A nine-blade circular aperture creates beautiful out-of-focus highlights.
- Full-time manual focusing.
- Minimum focusing distance 0.28m (at 24mm zoom position).
- Highly resistant to dust and water allowing shooting in the harshest conditions.
buy it here at B and H, the best place to by camera equipment
Lee filter system for the EF 11-24 here
See Bryans full review at the Digital Picture here