Sigma 105mm f/1.4 DG HSM Art (EF/FX/FE/L-mount). Note: NOT compatible with Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary. Sigma 100-400mm f/5-6.3 DG DN OS (Sony E-mount, Leica L-mount). Reserved multiple 1/4"-20 & 3/8"-16 thread screw holes at the bottom for attach lens to tripod directly.
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