Tamron 10-24mm f/3.5-4.5 Di II VC HLD Lens Front and Rear Lens Caps Lens Hood A convenient wide-angle zoom, this 10-24mm f/3.5-4.5 Di II VC HLD Lens from Tamron is designed for APS-C-format DSLRs, where it provides a 16-38.4mm equivalent focal length range. Benefitting the versatile range of perspectives is an advanced optical design that includes a pair of low dispersion elements and two aspherical elements to suppress both chromatic and spherical aberrations for a high degree of clarity, sharpness, and color fidelity. A BBAR coating is also featured to reduce surface reflections, flare, and ghosting for improved contrast when working in strong lighting conditions. 16-38.4mm (35mm Equivalent) Aperture Range: f/3.5 to f/29 One XLD Element, One LD Element Aspherical & Hybrid Aspherical Elements BBAR and Fluorine Coatings HLD Autofocus Motor VC Image Stabilization Moisture-Resistant Construction Rounded Seven-Blade Diaphragm