Bundle Includes: Sigma 16-28mm f/2.8 DG DN Contemporary Lens (Sony E), Backpack, Memory Card, Card Reader, Filter Kit. Ultra-Wide Zoom with Constant f/2.8 Aperture Capture breathtaking landscapes, interiors, and cityscapes even in low light with the bright f/2.8 aperture across the full 16-28mm rangeperfect for photographers and content creators needing high-quality results in dynamic conditions.. Pro-Level Optical Design for Razor-Sharp Results Engineered with advanced aspherical and low-dispersion glass elements, this lens minimizes chromatic aberration and distortion while maximizing sharpness, contrast, and color fidelityideal for high-resolution Sony mirrorless cameras.. Silent Autofocus & Smooth Manual Control A high-speed stepping motor delivers fast, accurate, and whisper-quiet autofocus, ideal for shooting video or capturing candid moments. Full-time manual focus control ensures precise adjustments when you need them most.. Lightweight, Travel-Ready & Video-Friendly