The Tamron 11-20mm f/2.8 Di III-A RXD is an APS-C lens for Sony E mount cameras. It is equivalent to 17-30mm on a 35mm sensor, which puts it as a highly versatile piece of equipment. Typically, lenses this wide rarely have a quick wide aperture, but Tamron boasts of an aperture of f/2.8. The Tamron 11-20mm f/2.8 is even more impressive in that it is compact in form, and lightweight at just 335 g.
The Tamron 11-20mm f/2.8 fits in different genres of photography such as landscape, architectural photography, etc. Most especially photography that deals with wide-angle lenses. The coating applied to the lens elements suppresses internal reflections, flare, ghosting, and other visual artifacts that can either ruin images by appearing or negatively affect contrast and colours. Ultra wide-angle lenses are quite tricky to manufacture and fully cover the scope of their function, but the Tamron 11-20mm f/2.8 has proven to stand out in this case.
The video below from YouTube gives an overview of the benefits and functions of Tamron 11-20mm f/2.8
