The Tamron 11-20mm lens features a super-fast constant aperture of f/2.8 in an extremely compact and light package. With a 16.5mm to 30mm full frame equivalent focal length, it is ideal for travel, landscapes, real estate, vlogging, and more. Designed specifically for Fujifilm and Sony APS-C cameras, the 11-20mm is sure to become a popular choice for compact mirrorless shooters.