Sigma 18 50mm F 2 8 DC DN Contemporary Review | 54 Data compared

The Sigma 18-50mm F2.8 DC DN Contemporary lens is a highly compact, lightweight 290-gram APS-C zoom boasting a constant f/2.8 aperture, fast stepping-motor autofocus, and impressive central sharpness. It is praised for its portability, effective flare control, 1:2.8 macro capabilities at 18mm, and minimal focus breathing for video. DPReview ·DPReview TV Key disadvantages include a complete lack of optical image stabilization, requiring an IBIS-enabled camera body, and noticeable longitudinal chromatic aberration at f/2.8. While the plastic construction helps keep it lightweight, it features a weather-sealed mount, though the close-focus capability demands working at an extremely close distance to the subject.

The Sigma 18-50mm f/2.8 DC DN Contemporary is a highly compact, lightweight zoom lens designed for APS-C crop-sensor cameras, weighing only 10.2 ounces (290 grams) and measuring 2.9 inches long. A major pro of this lens is its constant f/2.8 aperture combined with impressive sharpness, which peaks at f/6.3 on the 18mm end and between f/8 and f/13 on the 50mm end. Its stepping motor provides reliable, fast autofocus subject tracking, and the lens offers an exceptionally close focusing distance, making it versatile for tight shots. Additionally, it features a rubber gasket at the mount for basic weather sealing, all at a highly competitive price point of $550. However, the lens does compromise on physical controls and certain optical qualities to maintain its small footprint. It completely lacks external controls like an AF/MF switch or a customizable focus hold button, and its focus ring is made entirely of plastic. Optically, the lens suffers from visible lens flare ghosting when shooting into direct light, alongside noticeable color fringing on high-contrast objects, particularly at 18mm. Severe vignetting is also present when shooting...

The MK Trading Co. review highlights the Sigma 18-50mm f/2.8 DC DN Contemporary lens as an exceptionally compact and lightweight tool, praising its top-class sharpness, strong contrast, and versatile constant f/2.8 aperture. It is positioned as an excellent value-for-money upgrade for APS-C users, delivering impressive edge-to-edge clarity particularly between f/8 and f/11. MK TRADING CO. (L.L.C.) However, the lens design lacks physical buttons for autofocus or stabilization, requiring in-camera adjustments. Optical compromises include noticeable barrel distortion at 18mm and minor vignetting, both of which are manageable in post-processing, according to the review.

The Sigma 18-50mm f/2.8 DC DN Contemporary lens serves as a solid, budget-friendly upgrade for crop-sensor mirrorless photographers looking to move past standard kit lenses. Priced under $600, this highly versatile zoom lens delivers a full-frame equivalent focal range of 27-75mm and maintains a bright, constant f/2.8 maximum aperture throughout its entire range. The review highlights its solid build quality, dust and splash resistance, and exceptionally small, lightweight, and compact body design that remains well-balanced on various camera bodies. In terms of image performance, it produces acceptable sharpness, natural and pleasing warm color renditions, and minimal chromatic aberration or barrel distortion in everyday shooting environments. However, the reviewer notes several drawbacks, most notably the complete absence of built-in image stabilization, which can be an issue for users whose camera bodies also lack stabilization. While its stepping autofocus motor is generally quick and accurate in daytime or good lighting conditions, it struggles and produces more missed shots when trying to track fast movement in darker environments. Additionally, landscape photographers might find it difficult to capture crisp sun flares. The lens also...

The Sigma 18-50mm F2.8 DC DN | C is an exceptionally compact and lightweight standard zoom lens designed specifically for APS-C format mirrorless cameras, including Sony E, Leica L, Fujifilm X, and Canon RF-S mounts. Weighing just 290g and measuring 65x75mm, it offers a highly versatile 27-75mm effective zoom range paired with a fast, constant f/2.8 aperture. The lens delivers impressive overall image quality and excellent center-sharpness across its entire range, backed by a rapid, virtually silent linear stepping motor autofocus system that excels at both subject tracking and video transitions. It also boasts a very close minimum focusing distance of 0.12m at the wide end, a weather-resistant build using Thermally Stable Composite material, and remarkably negligible color fringing.

The Sigma 18-50mm f/2.8 DN DC Contemporary is an exceptionally compact and lightweight f/2.8 standard zoom lens weighing just 285g, priced affordably at $550/500EUR. Designed out of sturdy Thermally Stable Composite materials, it features smooth zoom and focus rings, basic mount weather sealing, and a fast, quiet stepping autofocus motor that allows for basic macro photography with a 1:2.7 magnification ratio at 18mm. Optically, the lens delivers a highly consistent sharpness and great center performance across the entire zoom range on a 26-megapixel APS-C sensor. The bokeh is also surprisingly pleasing and circular for a standard zoom lens, maintaining clean focus transitions despite a minor amount of inner-zone nervousness and outlining. However, the lens achieves its tiny, budget-friendly design by relying heavily on digital image auto-corrections to mask significant native flaws. Looking at uncorrected RAW files reveals massive barrel distortion (~5.2%) at 18mm, severe light falloff/vignetting that is way outside standard APS-C metrics at f/2.8, and moderate lateral chromatic aberrations that peak when stopping down. Additionally, its sharpness drops visibly in the corners at 18mm when pushed onto higher-resolution 40-megapixel...

The Sigma 18-50mm F2.8 DC DN Contemporary is a highly attractive, fast standard zoom lens designed for APS-C mirrorless cameras, retailing at an affordable £429. Available in Sony E and Leica L-mounts, it stands out for its remarkably compact and lightweight design, measuring 65mm by 75mm and weighing only 290g, which balances perfectly on smaller camera bodies. Optically, the lens delivers impressive performance with excellent central sharpness even at f/2.8, beautiful out-of-focus bokeh via a 7-blade diaphragm, and a useful close-focus capability down to 12.1mm. Its autofocus system is equally praised for being quick, decisive, and practically silent. However, achieving this ultra-compact size at a budget-friendly price point requires notable compromises. The most significant drawback is the complete absence of optical image stabilisation, forcing users on non-stabilised camera bodies to shoot at higher shutter speeds or raise their ISO settings. Additionally, it offers a somewhat limited zoom range (27-75mm full-frame equivalent) that is narrower at both the wide and telephoto ends compared to bulkier competitors. It also relies heavily on software-integrated corrections to eliminate strong native barrel distortion, pincushion distortion,...

The Sigma 18-50mm F2.8 DC DN for Canon RF-mount is an exceptionally compact and lightweight general-purpose zoom lens that serves as a high-quality alternative to Canon’s limited RF-S kit lenses. It adapts smoothly to the RF system despite a flared base required by the large mount diameter, which slightly crowds the focus ring. The lens delivers excellent center sharpness across the zoom range, good video autofocus with minimal focus breathing, nice bokeh, and includes a weather-sealing gasket alongside a lens hood. Because Canon has opened its protocols, the lens offers flawless, near-instantaneous autofocus that performs seamlessly like a native, first-party lens. However, the lens lacks optical image stabilization, which can be a drawback for owners of smaller Canon APS-C cameras that do not feature in-body image stabilization (IBIS). Optically, it exhibits fairly strong barrel distortion at 18mm and heavy vignette before software profiles are applied. While the center and mid-frame image quality remain highly detailed even on demanding high-resolution sensors, the extreme corners suffer from low contrast and softness at the wide end, failing to get exceptionally sharp even when...

The Sigma 18-50mm F2.8 DC DN Contemporary ($599) is an affordable, compact, and optically excellent standard zoom lens designed specifically for APS-C sensor cameras. Weighing just 10.2 ounces and measuring 2.9 by 2.6 inches, it stands out as the slimmest and lightest F2.8 zoom on the market, making it an excellent step-up option from a standard kit lens. Available for Canon RF, Fujifilm X, L-mount, and Sony E systems, the lens delivers strong, sharp resolution across its zoom range in lab testing, especially when stopped down to f/5.6 and f/8. Its autofocus performance is powered by a quick, quiet STM motor that eliminates focus breathing, rendering it highly useful for vloggers and casual video shooters. Additionally, it boasts notable close-up macro capabilities, achieving a 1:2.8 magnification ratio at the 18mm focal length. However, the lens makes several compromises to maintain its small form factor and lower price point. Its primary downsides include a lack of built-in optical stabilization and a construction that is only protected against dust and splashes at the mount, rather than being fully weather-sealed. The front element...

The Sigma 18-50mm f/2.8 DC DN Contemporary lens is a highly compact, lightweight, and affordable constant f/2.8 aperture zoom for APS-C mirrorless cameras, offering sharp image quality and fast, quiet autofocus. It features a robust Made-in-Japan construction, impressive close-up capabilities with a 1:2.8 maximum magnification at 18mm, and strong background blur potential. Key downsides include the lack of optical image stabilization (OIS), requiring dependency on in-camera stabilization, along with noticeable peripheral shading and significant geometric distortion that necessitates digital correction. Additionally, the build lacks full weather sealing and a protective front fluorine coating.