Fast F2.8 standard zoom for Sony full-frame mirrorless cameras covers 20-40mm and offers class-leading compact size and light weightStarting from 20mm at the ultra wide-angle end and covering up to 40mm in the standard focal range, this lens is an unparalleled new fast-aperture standard zoom. It delivers a fast F2.8 aperture across the entire zoom range from 20mm to 40mm and achieves a class-leading compact and lightweight design at just 3.4” and 12.9 oz. with 67mm filter size. At the longest zoom end, the lens offers a standard focal range of 40mm, handy for everyday shooting of snaps, portraits, and food photos. Meanwhile at the wide end, the ultra-wide 20mm focal length lets users enjoy a broad range of photography including stunning and powerful natural landscapes. Ideal for great for still photography and for creating vlogs and other video content. Provides exceptional close-up shooting with a 6.7” and 1:3.8 max. mag. ratio at the wide end. Features VXD autofocus, moisture-resistant construction and fluorine coating. Compatible with TAMRON Lens UtilityTM software for Focus Ring Function Setting and firmware updates.