Sigma DG DN OS Contemporary 100-400mm F/5-6.3 (X-Mount) LEN1287

APS-C | f/5 to f/29 150-600mm (Full-Frame Equivalent) One FLD Element, Four SLD Elements Stepping Motor AF System OS Image Stabilization AFL Button and Zoom Limiter Switch Compatible with Optional Tripod Socket Dust- and Splash-Resistant Construction Rounded 9-Blade Diaphragm