Tamron 70 300mm F 4 5 6 3 Di III RXD Review | 54 Data compared

The Tamron 70-300mm F4.5-6.3 Di III RXD (Model A047) is a lightweight, budget-friendly telephoto zoom lens designed for Sony FE full-frame mirrorless cameras. Priced at $550 USD, it serves as a highly affordable alternative to Sony’s own 70-300mm G OSS lens, undercutting it by half the price. Weighing just 545 grams, it stands out as a remarkably portable option for travel, landscapes, and wildlife photography. Autofocus performance is powered by Tamron’s RXD stepping motor, delivering quiet, fast, and smooth tracking that works reliably with Sony's animal and human Eye AF. Optically, the lens performs admirably across most of the zoom range, showcasing strong contrast, effective flare resistance via BBAR coatings, and a generally smooth, pleasing bokeh rendering. However, Tamron achieved this value and weight reduction by stripping away several physical features and optical components. The most significant omission is built-in optical image stabilization (VC), forcing users to rely exclusively on their camera's In-Body Image Stabilization (IBIS), which faces stability limits at the 300mm focal length. The physical barrel is exceptionally bare, completely lacking external switches, custom control buttons, or a...

The Photography Life review of the Tamron 70-300mm f/4.5-6.3 Di III RXD highlights a highly portable, budget-friendly telephoto lens featuring exceptional light weight and effective, silent RXD autofocus. Optically, it offers impressive central sharpness across the range, with improved corner performance at 300mm and reliable weather-sealing. Conversely, the lens compromises on features to achieve its low cost and weight, specifically lacking built-in image stabilization (VC) and physical controls like switches or a lock button. It also exhibits weaker corner sharpness at wider apertures and limited close-up capability, making it best suited for casual, outdoor photography where camera-based stabilization is available.

The Tamron 70-300mm f/4.5-6.3 Di III RXD for Sony E-mount is highly praised as an exceptionally compact, lightweight (545 g), and affordable ($549) telephoto zoom lens that delivers impressive value. It is particularly celebrated for its outstanding image sharpness across the entire zoom range, minimal flare, pleasing bokeh, and reliable weather-sealed construction, making it an excellent choice for travel, landscape, and casual outdoor photography. The lens utilises an RXD stepper motor that integrates seamlessly with Sony's advanced Real-Time autofocus tracking and subject detection protocols. While it performs beautifully in decent daylight, its slower variable aperture of f/4.5-6.3 makes it less ideal for low-light indoor environments, meaning portrait and wedding photographers may still need to opt for faster f/2.8 alternatives. Despite its high performance-to-price ratio, the lens comes with several specific trade-offs. Its most significant drawback is the complete omission of built-in optical image stabilization, relying entirely on the camera body's in-camera stabilization (IBIS), which becomes less effective at longer 300mm focal lengths. Furthermore, the lens features a highly minimalist physical design that lacks common functional controls such as a zoom...

The Tamron 70-300mm F4.5-6.3 Di III RXD is an exceptionally light, compact, and affordable telephoto zoom lens designed for Sony full-frame mirrorless cameras, which also functions well on APS-C bodies as a 105-450mm equivalent zoom. Weighing just 545 grams, it features a satin-black plastic housing equipped with five weather-resistant gaskets to protect against dust and moisture. It utilizes a quiet and reasonably fast RXD stepper motor that supports advanced Sony autofocus features like Eye AF and Direct Manual Focus (DMF). Optically, the lens delivers very good center sharpness across the entire zoom range, experiences virtually no chromatic aberration, and minimizes distortion through modern camera-lens corrections. It also manages backlight well, producing minimal flare, and provides a standard 67mm filter size that matches other lenses in Tamron's lineup. However, Tamron achieved this low price and weight by omitting several physical and mechanical features. The most significant con is the total lack of built-in image stabilization, which relies entirely on the camera's body stabilization; this becomes noticeably less effective at longer 300mm focal lengths and requires faster shutter speeds or a tripod...

The Tamron 70-300mm f/4.5-6.3 Di III RXD is a lightweight, budget-friendly telephoto zoom lens for Nikon Z-mount full-frame cameras that fills a notable gap in the lineup. On the positive side, it is incredibly light at 580 grams and has a compact, moisture-resistant design that shares a convenient 67mm filter thread with other common lenses. Performance-wise, the RXD stepper autofocus motor operates rapidly and silently, making it capable of tracking birds in flight. Its optical strengths lie heavily in the 200–300mm telephoto range, where it delivers very good to excellent central sharpness and highly consistent performance across the frame, making it a viable option for long-distance landscape photography. However, the lens comes with several optical compromises and physical sacrifices to maintain its low price point. Its most significant drawback is poor corner sharpness and heavy field curvature at the wider 70–135mm end, requiring users to stop down to f/8 or f/11 for acceptable results. It also lacks built-in optical image stabilization (VR), which makes it difficult to use on non-stabilised Nikon DX crop-sensor bodies. Furthermore, users will encounter strong clipped...

The Light And Matter review finds the Tamron 70-300mm f/4.5-6.3 superior to the Sony 70-300mm f/4.5-5.6 G OSS in optical resolution, particularly away from the center, while offering a significantly lighter 545-gram, compact design at less than half the cost. However, the Tamron's advantages come with cons, including a slower f/6.3 maximum aperture at 300mm, no physical toggles, and the lack of built-in optical stabilization compared to the Sony.

The Tamron 70–300mm f/4.5–6.3 Di III RXD (Model A047) is a full-frame telephoto zoom lens for Sony E and Nikon Z mounts that offers a lightweight, budget-friendly design tailored for outdoor use like hiking. The reviewer notes that its standout pros include excellent sharpness across most of the frame, realistic color rendition, and smooth, buttery bokeh at close ranges. Furthermore, the lens features snappy, near-silent RXD autofocus and dependable weather sealing that successfully withstood heavy rain during a multi-day trek. For a lens emphasizing range and a compact footprint, it delivers surprisingly transparent and competent image quality that exceeded the reviewer's expectations. However, the lens makes clear compromises to achieve its low price point and lightweight build. Its chief cons are a basic plastic construction that looks unsophisticated and a strict no-frills design that lacks a focus lock—causing the zoom to creep and extend while walking—or an AF/MF switch. Mechanically, the lack of built-in optical stabilization makes framing jittery and low-light shooting highly restrictive on camera bodies that do not feature in-body image stabilization (IBIS). Optically, there is a minor...

The Tamron 70-300mm f/4.5-6.3 Di III RXD is a highly portable, budget-friendly telephoto zoom lens designed for mirrorless travel, wildlife, and portrait photographers. Weighing just 1.2 pounds and measuring 5.8 inches when collapsed, its compact design makes it exceptionally easy to handle during long periods of handheld shooting. Performance-wise, the lens features a fast, quiet, and accurate autofocus system, impressive center sharpness, and solid weather sealing. Additionally, chromatic aberration and fringing are practically non-existent, and the lens produces smooth bokeh with a distinct "cat eye" effect in the highlights when shot wide open. However, the lens makes several design compromises to maintain its affordable price point and lightweight build. It lacks in-lens image stabilization, forcing photographers to rely entirely on their camera's in-body stabilization, which becomes challenging at longer focal lengths. Because it is a "slow" lens with a variable maximum aperture of f/4.5-6.3, users will frequently need to boost their ISO in low-light environments to keep shutter speeds fast enough to freeze motion. Optically, there is noticeable corner softness and vignetting at the 70mm range, as well as significant...

The ePHOTOzine review highlights the Tamron 70-300mm f/4.5-6.3 Di III RXD lens as a compact, lightweight option offering excellent central sharpness, pleasing bokeh, and fast, quiet autofocus with full Sony AF compatibility. Pros include its robust moisture-resistant construction, great value for money, and reliable, user-friendly performance. Conversely, the lens exhibits weak edge performance at wider apertures, lacks high-magnification macro capabilities, and features no physical handling controls on the barrel. Additionally, it relies solely on in-body image stabilization (IBIS) as it lacks internal optical stabilization, notes the ePHOTOzine review.