On paper, Sigma's decision to release two 150-600mm zoom lenses at the same time is an odd one. Both cover a zoom range that appeals to wildlife and sports shooters, but when you use the Sigma 150-600mm F5-6.3 DG OS HSM Sports ($1,999) and the 150-600mm F5-6.3 DG OS HSM Contemporary , the...
Very sharp; Minimal distortion; Built like a tank; Weather-sealed design; Includes tripod collar and lens hood; Quick focus; Image stabilization system; Zoom locking mechanism; Available for multiple camera systems
Expensive; Very heavy; Relatively narrow aperture