The Sony Zeiss Vario-Tessar T* FE 16-35mm F4 ZA OSS is a constant maximum aperture wide-angle full-frame (FE) zoom lens for the Sony E-mount, announced by Sony on September 15, 2014.

[1] Though designed for Sony's full frame E-mount cameras, the lens can be used on Sony's APS-C E-mount camera bodies, with an equivalent full-frame field-of-view of 24–52.5mm.

The lens has a weather resistant solid all-metal finish [2] with a pair of metal focus and zoom rings.

The barrel of the lens telescopes outward from the main lens body as it's zoomed in from 16mm to 35mm.

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