Tamron 11-20mm f2.8 Di III-A RXD

11-20mm f2.8 | TAMRON lens TAMRON 11-20mm f2.8 Di III A RXD

An updated classic, designed for more intuitive and interactive use, the EF-mount TOKINA atx-i 11-20mm f/2.8 CF CANON is an ultra-wide-angle zoom that's ideal for landscape, architecture, interior, and astrophotography applications. Its bright constant maximum aperture f/2.8 offers constant brightness throughout the zoom range and benefits working in available lighting conditions. The optical design incorporates a number of aspherical and low-dispersion elements, which suppress a variety of aberrations to improve sharpness and clarity. Individual elements are also multi-layered to withstand flashes and ghosts for greater contrast and color accuracy when working in bright or backlit conditions. Complementing the optics, this lens features a one-touch focus clutch mechanism to quickly switch between AF and MF settings, and an internal focus design is used for responsive focus performance.

• The ultra-wide-angle zoom is designed for APS-C format EF-mount CANON cameras and provides an equivalent focal length range of 17.6-32mm.

• The bright f/2.8 constant maximum aperture provides constant brightness throughout the zoom range and offers improved control over depth of field.

• Three aspherical elements, including two glass-molded elements and a P-MO hybrid element, help control spherical aberrations and distortions for a sharper and more accurate representation.

• Three SD (Super Low Dispersion) elements control color stripes and chromatic aberrations throughout the zoom range for greater clarity and color accuracy.

• Multi-layer anti-reflective coating elements suppress flare and ghosting to improve contrast and color accuracy when working in bright lighting conditions.

• The Silent Driving Focus Motor (SD-M) is combined with a GMR sensor and an internal focus design for fast, responsive and accurate performance.

• The one-touch focus clutch mechanism allows you to quickly switch between autofocus and manual focus settings by pushing or pulling the focus ring. When set to manual, the focus response is especially smooth and benefits from sharp stops at the ends of the focus range.

• The water-repellent superior coating makes it easy to clean and clean the surface of the glass front element.

• The nine-blade diaphragm contributes to smooth bokeh quality.

• The included sunshade prevents stray light from causing flashes and also offers some physical protection of the lens.