The Tamron 11-20mm f/2.8 Di III-A RXD is a fast-aperture ultra-wide-angle zoom lens designed for Sony E-mount APS-C mirrorless cameras. It boasts the world's first f/2.8 maximum aperture in its category for this mount, combined with a remarkably compact and lightweight design. This lens excels in both photography and videography, proving easy to handle even on a compact tripod or gimbal. Special lens elements are optimized to minimize optical aberrations, ensuring clear, high-resolution images. The minimum object distance (MOD) of 0.15m at the widest end and 0.24m at the 20mm end allows for exceptionally close focusing. It features a fast and precise AF drive system powered by an RXD stepping motor unit. The 11-20mm f/2.8 expands photographic possibilities, offering the portability and unique perspectives characteristic of fast-aperture ultra-wide-angle lenses. Experience wide-angle macro photography with an MOD of 0.15m, enabling close-up shots where near objects appear larger and distant ones smaller. The f/2.8 aperture creates a shallow depth-of-field with soft bokeh, allowing for distinctive and expressive images. For travel, pairing this lens with the Tamron 17-70mm f/2.8 Di III-A VC RXD covers focal lengths from 11mm to 70mm (equivalent to 16.5mm-105mm on full-frame) with a constant f/2.8 aperture. The combined weight of these two lenses is only 860g, significantly reducing carrying bulk. They share a unified 67mm filter size, simplifying the use of filters and lens caps.