Sigma 16-28mm 2.8 L-Mount Lens C DN DG Flash Ring and control depth of field

and control depth of field with a constant F4 maximum aperture

The external diameter of the focusing lens group is kept small to accommodate a linear motor in the space created to achieve a slimline design

the Mach3 Series 2 Carbon Fibre Tripod features 3 leg sections

Each page is split with clear glassine interleaves

Illuminated buttons

Sigma 16-28mm 2.8 L-Mount Lens C DN DG Flash Ring and control depth of fieldOptimized 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