E-Mount Lens/Full-Frame Format Aperture Range: f/5 to f/29 One FLD Element, Four SLD Elements Stepping Motor AF System Presenting impressive reach in a relatively compact design, the Sony E-mount 100-400mm f/5-6.3 DG DN OS Contemporary lens, from Sigma, is a versatile telephoto zoom mixing a hand-holdable design with apt optical performance. A series of low dispersion glass elements are used to achieve high clarity and color accuracy throughout the zoom range
