Offering a new take on a popular wide-angle focal length, the Tamron 24mm f/2.8 Di III OSD M 1:2 is sleek and lightweight prime designed for full-frame Sony E-mount mirrorless cameras. By utilizing a modest f/2.8 maximum aperture, this lens is able to remain impressively sleek, making it ideal travel clicking applications. Also contributing to its versatility is a half life-size 1:2 maximum magnification ratio and 4.7" minimum focusing distance for working with close-up subjects. An OSD stepping motor achieves fast and near-silent autofocus performance along with full-time manual focus override. Additionally, the lens sports a moisture-resistant physical design along with a fluorine coating to suit working in inclement conditions. Wide-angle prime is designed for full-frame Sony E-mount mirrorless cameras, however is also suitable for use with APS-C models where it provides a 36mm equivalent focal length. Modestly bright f/2.8 maximum aperture strikes a balance between being suit E-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 Three Low Dispersion Elements One Aspherical Element