Tamron 17-28mm f/2.8 Di III RXD (A046) Mirrorless Camera Lens for Sony E - Ultra-Wide Zoom, Constant Aperture, Fast Autofocus, Full-Frame E-Mount
The Tamron 17-28mm f/2.8 Di III RXD (A046) is engineered for professional and enthusiast Sony E-mount mirrorless users seeking exceptional optical performance in a compact, lightweight ultra-wide zoom. Designed to address the demand for a fast, sharp, and versatile lens that excels in landscape, architecture, and event photography, this lens stands out with its constant f/2.8 aperture, rapid autofocus, and edge-to-edge clarity. Tamron’s proprietary RXD (Rapid eXtra-silent stepping Drive) motor technology, advanced optical design, and moisture-resistant construction make it a top contender for creators who need reliable, high-quality results in challenging environments.
Unlike bulkier competitors and earlier Tamron wide-angle zooms, the 17-28mm f/2.8 Di III RXD delivers pro-level image quality and speed without adding unnecessary weight to your kit. Its 420g build, short minimum focus distance, and seamless compatibility with Sony’s full-frame mirrorless bodies make it an ideal choice for professionals who require both portability and uncompromised performance. Whether shooting high-resolution stills or 4K video, this lens provides the clarity, speed, and flexibility demanded by today’s creative workflows.
Constant f/2.8 Aperture Across Zoom Range
The Tamron 17-28mm f/2.8 Di III RXD maintains a bright, constant f/2.8 aperture throughout its entire zoom range, enabling consistent exposure and superior low light performance. This is a significant advantage over variable aperture lenses, especially for professionals who shoot in rapidly changing lighting conditions or require shallow depth of field for subject isolation. This allows photographers and videographers to capture clean, vibrant images even in dim environments without raising ISO.
Ultra-Wide 17-28mm Focal Length for Sony E Full-Frame
Covering the highly versatile 17-28mm range, this lens delivers expansive angles of view ideal for landscape, architecture, astrophotography, and immersive video. Compared to the traditional 16-35mm zooms, the 17-28mm offers a lighter, more compact alternative without sacrificing essential wide-angle coverage. This enables creators to capture dramatic perspectives and sweeping vistas with minimal distortion.
Advanced Optical Construction with LD and XLD Elements
Featuring a sophisticated arrangement of 13 elements in 11 groups, including Low Dispersion (LD) and eXtra Low Dispersion (XLD) elements, the lens effectively suppresses chromatic aberrations and color fringing. Tamron’s BBAR (Broad-Band Anti-Reflection) coating further reduces ghosting and flare, ensuring sharp, high-contrast images even in backlit situations. This ensures photographers achieve edge-to-edge sharpness and accurate color reproduction in every shot.
RXD Stepping Motor for Fast, Silent Autofocus
The RXD (Rapid eXtra-silent stepping Drive) autofocus motor provides quick, precise, and virtually silent focusing, making it ideal for both stills and video applications. This advanced AF system rivals Sony’s own native G Master lenses, supporting real-time Eye AF and continuous tracking for moving subjects. This allows filmmakers and event photographers to maintain focus on dynamic subjects without intrusive noise.
Moisture-Resistant Construction and Fluorine Coating
The lens is built with robust weather sealing at critical points and a front element coated with a protective fluorine compound, offering resistance against fingerprints, dust, and moisture. This durability is crucial for professionals who shoot outdoors or in unpredictable conditions. This provides peace of mind for travel, adventure, and outdoor shooters demanding reliability in the field.
Compact and Lightweight Design (420g)
Weighing only 420g and measuring just 99mm in length, the 17-28mm f/2.8 is one of the most portable full-frame wide-angle zooms available for Sony E-mount. Its compact size makes it perfect for handheld shooting, gimbal work, or travel, outperforming heavier alternatives like the Sony FE 16-35mm f/2.8 GM in portability. This allows creators to work longer and move faster without fatigue or bulk.
Short Minimum Focus Distance for Creative Close-Ups
With a minimum focusing distance of just 0.19m (7.5 inches) at 17mm and 0.26m (10.2 inches) at 28mm, this lens enables striking close-up wide-angle shots with dramatic perspective. Macro-like performance at the wide end opens new creative possibilities for environmental portraits and detailed foregrounds. This empowers photographers to emphasize subjects in context and experiment with unique compositions.
67mm Standard Filter Thread
The lens uses a 67mm filter thread, matching other Tamron Di III lenses and allowing easy sharing of ND, polarizer, or specialty filters across your kit. This compatibility streamlines workflows and reduces the need for multiple filter sizes, a practical advantage for videographers and landscape photographers. This helps users minimize gear and maximize efficiency when shooting in the field.
Optimized for High-Resolution Sensors
The optical design is optimized for Sony’s latest high-resolution full-frame sensors, resolving fine detail and minimizing distortion, vignetting, and color shift. This ensures that even with 42MP or 61MP sensors, image quality remains crisp from center to edge, outperforming many third-party alternatives. This guarantees professional results for large prints and high-end commercial work.
Compatible with Sony’s In-Camera Features
Full electronic integration with Sony E-mount bodies enables fast hybrid AF, in-camera lens corrections, and direct EXIF data recording. The lens supports all major Sony mirrorless features, including Eye AF, Direct Manual Focus (DMF), and 5-axis image stabilization when paired with IBIS-equipped bodies. This ensures seamless operation and full feature access for a streamlined professional workflow.
Summary
The Tamron 17-28mm f/2.8 Di III RXD (A046) sets a new benchmark for ultra-wide zoom lenses in the Sony E-mount ecosystem, combining professional-grade optics, a constant f/2.8 aperture, and rapid, silent autofocus in an exceptionally lightweight and compact package. Its advanced optical formula, weather-sealed construction, and compatibility with Sony’s latest camera technologies make it a standout choice for landscape, architecture, event, and video professionals who demand both performance and portability.
Whether you’re upgrading from a kit lens or seeking a lighter alternative to bulkier pro zooms, the Tamron 17-28mm f/2.8 delivers the quality, speed, and reliability needed to excel in demanding creative environments. Available now at ebphotovideo.com, this lens is an essential addition to any Sony full-frame mirrorless kit, providing unmatched value and performance for working professionals and serious enthusiasts alike.
