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A popular pick for professionals using full-frame A-mount cameras, the Vario-Sonnar T* 24-70mm f/2.8 ZA SSM II Lens from Sony covers many of the most commonly used focal lengths in its wide-angle to short telephoto range, which make this optic an outstanding option for photographers working quickly in a variety of shooting situations. Offering a constant f/2.8 aperture, shooters will enjoy consistent exposure throughout the zoom range. Also, the lens design incorporates two aspherical elements to combat aberrations and uses the Zeiss T* coating to effectively eliminate flare.

Operation is smooth and fast with an enhanced Super Sonic wave Motor (SSM) AF system, as well as a focus hold button and focus mode switch for intuitive control. Assisting with focus speed is an internal focus design for faster performance and reaching a minimum focus distance of 11". Additionally, it has a dust- and moisture-resistant construction and a nine-blade circular diaphragm for smooth bokeh.

Based on the Zeiss Sonnar optical concept, this lens uses a design with 17 elements in 13 groups that helps create a relatively compact wide-angle zoom with improved contrast, a resistance to flare, and with minimal distortion and chromatic aberrations.

A standard-length zoom designed for full-frame A-mount cameras, the 24-70mm can also be used on APS-C camera systems where it will provide a 36-105mm equivalent focal length.

A constant f/2.8 maximum aperture offers consistent performance throughout the zoom range and also lends greater control over focus position for shallow depth of field techniques.

Zeiss T* anti-reflective coatings have been applied to each lens surface to help minimize reflections in order to provide greater image clarity, contrast, and color fidelity.

Two extra-low dispersion glass elements are featured in the lens design to help reduce chromatic aberrations and color fringing for improved clarity and color neutrality.

Two aspherical elements are incorporated in the lens design to reduce astigmatism, field curvature, coma, and other monochromatic aberrations.

An SSM autofocus system and internal focus mechanism provides quick, quiet, and precise autofocus performance and also contributes to more natural, intuitive manual focus control.

A focus hold button and focus mode switch are present on the lens barrel for intuitive tactile control and rapid access to select settings.

Dust- and moisture-sealed design better permits working in inclement conditions.

Rounded nine-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.