Sigma 50mm F 1 4 DG DN A Review | 54 Data compared

The Sigma 50mm F1.4 DG DN ART is a highly competitive, competitively priced prime lens designed specifically for full-frame mirrorless cameras. Priced at an affordable MSRP of $850 USD, it offers a budget-friendly alternative to premium options like the $2000 USD Sony 50mm F1.2 G Master while delivering remarkably similar performance. Built with robust weather sealing, a declickable aperture ring, and an aperture lock switch, this version is noticeably smaller and 235g lighter than its DSLR predecessor. Optically, the lens utilizes a complex 14-element design that yields incredible wide-open sharpness and high contrast across the frame. A major standout feature is Sigma’s new HLA (High-response Linear Actuator) autofocus motor, which provides near-instantaneous, quiet focus changes that easily outperform older stepping motors and approach G Master levels of speed and tracking accuracy. Despite its stellar performance, the lens has a few minor drawbacks. It relies quite heavily on in-camera or software profile corrections to combat noticeable pincushion distortion and heavy vignette. Real-world use also reveals some minor longitudinal chromatic aberration (fringing) on shiny surfaces, though it is not destructive to overall...

The Sigma 50mm f1.4 DG DN Art is a highly recommended standard prime lens for full-frame mirrorless cameras, specifically designed for Sony E and Leica L mounts. Priced as a mid-range alternative, it delivers high-end optical performance without the premium cost of competitors like the Sony G Master or Panasonic Pro lenses. Optically, the lens excels with crisp center details wide-open at f1.4, excellent contrast when stopped down slightly, and a flat field of view. It features a robust, weather-sealed barrel, a smooth and damped manual focus ring, and extensive physical controls including a customizable autofocus lock button and an aperture ring that can be declicked for silent operation. Furthermore, continuous autofocus is fast, smooth, and highly accurate for both video and stills portraiture, complemented by a gorgeous 11-bladed diaphragm that yields smooth, well-behaved background bokeh. Despite its high praise, the lens exhibits a few notable drawbacks. It suffers from strong focus breathing when shifting between extreme focus distances, a distraction for videographers that cannot be natively corrected on Sony bodies since it is a third-party lens. Optically, there is...

The Sigma 50mm f1.4 DG DN Art lens is a highly versatile, professional-grade lens built for the L Mount Alliance that delivers exceptional optical performance in a compact form factor. Weighing 670g and measuring 78.2 x 109.5mm, it is significantly lighter and smaller than its HSM predecessor while managing to improve upon overall image quality. The physical build features a dust- and splash-proof structure with a brass bayonet mount, an AFL button, a Focus Mode switch, and a de-clickable aperture ring with a lock switch. Driven by Sigma's HLA (High-response Linear Actuator) motor, the autofocus system operates silently and locks onto subjects rapidly, making it excellent for portraiture and fast-moving action even when shooting wide open at f1.4. Optically, the review highlights outstanding contrast, color rendering, and "downright fantastic" sharpness across the frame from f1.4 onward. The pros of this lens include its excellent, weather-sealed build quality, lightweight ergonomics, top-notch autofocus speed, superb image sharpness, and a buttery-smooth bokeh rendered by its 11-blade diaphragm. Furthermore, it is highly flare-resistant and competitively priced at $849. On the downside, the reviewer found...

In terms of optical performance, the review highlights outstanding sharpness even when shooting wide open at f/1.4, with resolution peaking across the frame between f/2.8 and f/5.6. Chromatic aberration is extremely well-controlled, and the 11-blade circular aperture produces beautiful, soft background bokeh ideal for portraiture. However, the lens does have notable optical compromises; it exhibits significant focus breathing that constricts the angle of view during close-up focusing, making it less ideal for video rack-focus shots. Additionally, creators may encounter flare and ghosting when shooting directly into bright backlights, and mild magenta coma artifacts can appear around specular highlights at wider apertures. Despite these few drawbacks, its impressive resolving power and premium build quality earned it a PCMag Editors' Choice award for E- and L-mount photographers looking for top-tier image quality at a reasonable price.

The Sigma 50mm f/1.4 DG DN Art lens is a lightweight and weather-sealed portrait lens that delivers exceptionally sharp images with no noticeable distortion or chromatic aberration. A standout feature is its new High-response Linear Actuator (HLA) autofocus mechanism, which operates with absolute silence and zero vibration, proving fast enough to lock onto eyes even through low-light candlelight or falling confetti. Designed with 14 elements in 11 groups and 11 rounded diaphragm blades for smooth bokeh rendering, its physical body is highly functional, offering an aperture ring, a manual-to-autofocus switch, an AFL button, and an aperture ring lock slide. It provides superb full-body and cropped facial sharpness on high-resolution sensors like the 61-megapixel Sony a7R IV, offering near-flagship performance at roughly half the price of native luxury options. However, the review highlights a few minor limitations, particularly when tracking fast, erratic movements. When capturing high-speed burst sequences—such as a subject running a hand through their hair or walking—the Sigma lens missed focus on approximately 15 out of 1,200 shots, a slightly higher failure rate than the premium Sony 50mm f/1.2...

The Sigma AF 50mm f/1.4 DG DN Art lens receives a "Highly Recommended" rating from ePHOTOzine for its exceptional optical performance, including excellent sharpness across the frame from f/1.4 to f/8, virtually no chromatic aberration or flare, and very low distortion. Featuring a robust, weather-resistant build and a fast, silent HLA autofocus motor, the lens delivers buttery smooth bokeh and, overall, offers superb, high-quality imaging. While offering top-tier performance, the review notes the main limitation is a 0.45m minimum focusing distance, suggesting that closer focusing capabilities would increase its versatility. Despite this, the lens is considered a premium, highly functional option for mirrorless users, with few drawbacks to its overall design and output.

The Sigma 50mm F1.4 DG DN Art lens is a high-performance, weather-sealed, and compact standard prime built for mirrorless cameras, offering exceptional sharpness and bokeh via an 11-blade aperture. The lens features a fast, quiet High-response Linear Actuator (HLA) autofocus motor, customizable controls, and a versatile, de-clickable aperture ring for filmmakers. DPReview · However, the lens lacks built-in optical stabilization, relying instead on in-camera systems. Other, less-optimal characteristics include noticeable focus breathing, reliance on digital corrections for distortion and vignetting, and a heavier weight than some alternatives, according to the review.

The LensTip Sigma A 50 mm f/1.4 DG DN review concludes that this mirrorless-optimized Art lens delivers outstanding performance, serving as a lighter and sharper successor to its DSLR predecessor. Key pros highlighted in the review include a very solid, weather-sealed mechanical body, excellent image quality and razor sharpness at the frame center (exceeding 65 lpmm at f/2.0), and very good resolution on the APS-C sensor edges. Additionally, it features quiet, swift autofocus via its HLA linear motor, strong resistance against ghosting and flares when shooting toward bright light, and exceptionally low coma distortion. Conversely, the review identifies several notable flaws that serve as the primary cons. The most significant drawback is its distortion profile; while manageable at infinity, it increases to a "monstrous".81% pincushion distortion at its minimum focusing distance. Optically, it also suffers from strong focus breathing at around 19%, noticeable vignetting reaching 30% (−1.05 EV) wide open at f/1.4, and a slight regression in longitudinal chromatic aberration control compared to older iterations. Despite these slip-ups, LensTip considers it an excellent value prime lens.

The Sigma 50mm f/1.4 DG DN Art lens is an affordable, high-quality full-frame prime lens released in February 2023 for L-mount and E-mount cameras. Tested on a Leica SL2-S, this metal-construction lens features a fast HLA linear focusing motor, an 11-blade rounded aperture, and a physical aperture ring that can be de-clicked for video use. Weighing 23.6 oz (670 g) and utilizing 72mm filters, it handles much like its 35mm sibling, offering dust- and splash-proof sealing for robust field use. While the reviewer praised its fast, silent autofocus and superb build quality as core strengths, they noted it might feel a bit too bulky and heavy for long-term travel photography compared to smaller APS-C alternatives. In terms of optical performance, the lens provides sharp images and excellent background blur at f/1.4, though the overall image quality was described as clean rather than jaw-dropping. A major con highlighted in the review is its debatable image quality when compared directly to the newer, more advanced Sigma 50mm f/1.2 Art lens, as the f/1.4 version lacks a certain "wow factor" and artistic character....

The DPReview TV review highlights the Sigma 50mm F1.4 DG DN Art as a robust, weather-sealed, and affordably priced standard prime for mirrorless systems. It features exceptional sharpness at f/1.4, reliable autofocus performance via the High-response Linear Actuator (HLA) motor, and minimal flare. DPReview · However, the lens suffers from significant focus breathing and exhibits harsh bokeh with onion rings and strong cat's eye distortion at wider apertures. While it is a compelling, high-performance alternative to first-party options, its 670-gram weight is noted, and the sun stars are considered underwhelming.

The Sigma 50mm f/1.4 DG DN Art lens offers exceptional performance at a highly competitive price of $850, delivering around 80 percent of the performance of premium manufacturer glass for roughly half the cost. A standout pro is its new High-response Linear Actuator (HLA) focusing system, which enables fast, silent, and incredibly accurate tracking that successfully locks onto moving subjects—even matching native Sony glass for bird eye detection. Optically, the 11-blade rounded aperture renders beautifully soft, gentle bokeh, while the lens body is narrower, comfortable to use, and noticeably lighter than previous iterations, weighing just 660 grams on Sony E-mount and 670 grams on L-mount. However, the lens comes with distinct cons, most notably a communication bottleneck that caps the continuous shooting speed at 15 frames per second on high-speed Sony bodies like the a1 and a9 series, compared to the 30fps achievable with native glass. The physical layout also presents minor ergonomics drawbacks; the wide barrel sits close to the camera grip, which could cramp shooters with large hands, and the lens remains slightly front-heavy when mounted. Additionally, early...

The Sigma 50mm F1.4 DG DN Art for Sony FE-mount is a completely redesigned mirrorless standard lens that delivers top-tier optical performance, achieving a record-breaking DXOMARK score of 55 when tested on the 60 MP Sony A7R IV. A major highlight of this high-grade lens is its exceptional sharpness and edge-to-edge uniformity across the field, even when shooting wide open at F1.4. It also features a new HLA linear focusing motor that provides fast, near-silent autofocus tracking, an 11-blade aperture for smooth bokeh, and weather-resistant sealing. Furthermore, the lens boasts an impressive measured transmission of T1.5, making it significantly brighter in practice than older DSLR-era alternatives that only measured at T1.8. Despite its high image quality and lower launch price relative to its predecessors, the lens includes a few optical concessions to maintain its lighter 670-gram weight. Its most notable drawback is high vignetting, which peaks at -2.3 EV in the extreme corners at maximum aperture and fails to clear away entirely even when the lens is stopped down. Additionally, it exhibits a somewhat unusual -0.5% pincushion distortion, a characteristic...