Sigma 16-28mm 2.8 L-Mount Lens C DN DG Flash Ring Illuminated buttons

Illuminated buttons

and control depth of field with a constant F4 maximum aperture

Ideal as a spare or replacement battery for your camera

Phenomenal in-lens autofocus

Sigma 16-28mm 2.8 L-Mount Lens C DN DG Flash Ring Illuminated buttonsOptimized with the latest optical design technology, the Sigma 16 28mm F2. 8 DG DN Contemporary is a high performance optic that delivers exceptional image quality despite its compact size. The two large diameter aspherical lens elements and five ideally arranged FLD glass elements (whose characteristics mirror that of fluorite) keep the lens light and compact while effectively suppressing the lateral and axial or longitudinal chromatic aberrations