Canon 9520B002 EF 11-24mm f/4L USM Ultra-Wide Zoom Lens (Refurbished)

Refurbished Canon L-series ultra-wide zoom with an expansive 11mm starting focal length. Focal Length & Maximum Aperture: 11-24mm f/4. Closest Focusing Distance: 11 in. / 0.28m. The optical layout is a new design that incorporates one Super UD element and one UD lens element. Coatings include Subwavelength Coating (SWC) and Air Sphere Coating (ASC). Focusing is accomplished with an inner-focusing mechanism and a ring-type USM, driven by a high-speed CPU and optimized AF algorithms.