Sigma 28-70mm F2.8 DG DN | Contemporary Mount:L-Mount Superb build quality with both

Superb build quality with both aluminum and Thermally Stable Composite components

Optimal channel separation through dual-mono circuitry

If they seem to move slightly forward or backwards

A highly usable zoom range w/a rugged metal barrel and optical stabilization for in-hand shooting

Sigma 28-70mm F2.8 DG DN | Contemporary Mount:L-Mount Superb build quality with bothSMART AND NIMBLE. THE NEW STANDARD MIRRORLESS ZOOM Design based on SIGMAs Art line, with the same uncompromising optical performance The optical design of the SIGMA 28 70mm F2. 8 DG DN Contemporary is based on the 24 70mm F2. 8 DG DN Art, which is renowned for its outstanding optical performance throughout its zoom range. True to the Contemporary line's core concept, the 28 70mm F2. 8 DG DN Contemporary was developed to offer the right balance of