Sigma 100 400mm F 5 6 3 DG OS HSM Review | 54 Data compared

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The ePHOTOzine review highly commends the Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary lens as a compact, lightweight, and budget-friendly telephoto option for full-frame and APS-C DSLRs. It highlights excellent central sharpness, smooth bokeh, low aberration, effective optical stabilization, and fast autofocus as key strengths. Conversely, the lens features a narrow variable aperture (f/5-6.3) that requires higher ISO in low light, exhibits edge softness when wide open, has noticeable pincushion distortion at long focal lengths, and lacks full-body weather sealing.

Despite these strengths, the review notes several optical and physical compromises. Central and corner sharpness are somewhat disappointing when shooting wide open at the 100mm focal length, though image quality noticeably improves when stopped down or when shooting at the critical 400mm end. The relatively slow maximum aperture range—which drops to f/6.0 at 220mm and reaches f/6.3 by 350mm—significantly limits shutter speeds and forces higher ISO settings, causing the autofocus to become sluggish in low-light environments. Additionally, there is some visible blue/orange chromatic aberration and vignetting when shooting wide open. Lastly, the lens lacks a dedicated tripod collar or an included lens case in the box, which may complicate handling for extended field use.

The Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary lens is a budget-conscious, long-range telephoto zoom that delivers impressive performance for outdoor, wildlife, and sports photography. Built from solid hard plastic, it lacks the metallic construction of Sigma's Art series but feels exceptionally well-balanced and nimble, particularly when extended to 400mm. Its standout features include stellar image sharpness and exceptional resolving power, even when shooting wide open at the maximum apertures of both focal lengths. Additionally, the lens boasts highly responsive and silent autofocus performance, negligible chromatic aberration, and robust weather sealing—complete with a visible rubber gasket on the bayonet mount to keep out dirt and moisture. Despite its strong performance, the lens has notable drawbacks, most significantly the complete lack of a tripod collar or ring, which could cause weight distribution issues on smaller, adapted camera bodies. The optical stabilization system is functional but underwhelming, failing to provide the drastic improvements seen in competing telephoto lenses. Furthermore, the exterior is crowded with numerous switches, making tactile adjustments difficult without looking away from the viewfinder. However, with a lock switch to...

The Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary is a compact, lightweight telephoto zoom lens weighing 1160 grams and measuring 182 mm in length, making it highly portable and ideal for nature and sports photography. Built primarily with high-quality plastics, the lens feels solid and includes a rubber gasket at the mount to guard against dust and moisture. Optically, it features a complex design of 21 elements that delivers highly consistent sharpness across almost the entire zoom range, even when tested on demanding full-frame cameras. Its Hyper Sonic Motor (HSM) autofocus operates quietly, and the built-in optical image stabilization proves highly effective for handheld shooting at slower shutter speeds on unstabilized DSLRs. Furthermore, the lens offers high customizability via Sigma’s USB Dock, allowing users to program custom focus ranges, stabilization modes, and autofocus speeds. The review highlights several specific pros, including its excellent value for money, compact size, lightweight build, and strong overall image quality. It also benefits from very low vignetting and excellent resistance to flare, alongside a useful 0.26x maximum magnification for close-up shots. On the downside, the...

The Photography Life review identifies the Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary as a lightweight (1,160g), compact, and budget-friendly ultra-telephoto lens offering impressive central sharpness and solid, wobble-free construction. Key advantages include functional optical stabilization, quiet autofocus, and a weather-sealed metal mount, making it an excellent value for wildlife photography. Conversely, the lens exhibits weak corner sharpness at 100mm, noticeable vignetting, and a narrow f/5-6.3 variable aperture, along with a lack of a tripod collar in the standard package. While well-constructed, it feels more plasticky than premium alternatives and lacks full-body weather sealing, representing a compromise for its lower price point.

The Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary lens is a highly portable, budget-friendly telephoto lens designed for travel, wildlife, and action photographers who value low weight over premium build features. Weighing only 2.55 pounds and measuring just over 7 inches, it offers a massive focal range in a package comparable to a standard 70-200mm lens, making it an excellent dual-lens pairing with a mid-range zoom. In real-world testing along a cold, snowy coastline, the lens delivered exceptional image contrast, very low chromatic aberration, and impressive edge-to-edge sharpness that rivals far more expensive native Canon or Nikon alternatives. Its autofocus system integrates seamlessly with Canon's AF tracking, though it occasionally slows down and hunts for focus at the maximum 400mm focal length. While the lens offers unparalleled price-to-performance value at $699, it makes a few notable structural sacrifices to maintain its light weight and low cost. The biggest downsides for outdoor photographers are the lack of true weather sealing—featuring only basic dust and splash protection at the mount—and the omission of a tripod collar. Additionally, its variable f/5-6.3 aperture forces...

The Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary lens is a lightweight, 1160g telephoto zoom designed for travel, wildlife, and bird photography. The review highlights excellent sharpness and high image quality across the zoom range, with mid-frame and corner performance almost matching the centre sharpness. Built with thermally stable composite materials, it features a dust- and splash-proof mount and a rounded 9-blade aperture that creates smooth bokeh. Additional pros include its versatile push/pull and twist zoom mechanisms, its functionality as a macro lens due to a close 160-centimetre focus distance, and optical stabilisation that allows usable hand-held shots down to 1/40th of a second. However, the lens comes with several specific drawbacks, particularly its variable f/5 to f/6.3 aperture which makes it slower and less suitable for capturing low-light action. The reviewer experienced significant autofocus hunting during low-light periods and noted that results at the maximum 400mm focal length are slightly softer than at wider options. Physical limitations include a total lack of weather-sealing, some visible vignetting when shot wide open, and the fact that a tripod ring is neither...