Sigma 24mm f/1.4 DG DN Art.

The Gavler Review.

Sigma 24mm f/1.4 DG DN Art Review: Half the Price, Most of the Lens

The Sigma 24mm f/1.4 DG DN Art ranks number 7 on Gavler's Best Wide-Angle Prime Lenses list with an 8.5. It's the lens for wide-angle shooters who want f/1.4 speed and pro-grade build without paying first-party prices — at roughly $799 it undercuts Sony's and other native 24mm f/1.4 primes by close to half. OpticalLimits summed up the trade you're making bluntly: "The center performance is generally excellent, but the borders/corners leave a bit to be desired at f/1.4 - and being advertised as a lens suitable for astrophotography, that's certainly not ideal." If your work lives in the extreme corners of the frame wide open, that caveat matters. For nearly everyone else, it's the smart buy in the class.

What it is

Sigma's mirrorless-native 24mm f/1.4 is part of the DG DN Art line built specifically for Sony E-mount and L-mount, sharing its control layout — a clicked, de-clickable aperture ring, a Manual Focus Lock switch, and a customizable focus-hold button — with the rest of Sigma's f/1.4 DG DN siblings, including the 20mm, 35mm, and 85mm. The optical formula runs 17 elements in 14 groups, with two FLD elements, one SLD element, and four aspherical elements, finished with Sigma's Super Multi-Layer and Nano Porous coatings to fight flare and ghosting.

It's a genuinely professional build: dust- and splash-resistant construction, an 11-blade rounded aperture, a 72mm front filter thread plus a rear gel-filter slot, and a compact 510-gram, 97.5mm body — smaller and lighter than Sigma's own 20mm f/1.4 companion lens. PetaPixel, testing both new Sigma wides side by side, called the build "a great feeling ring with no play or crunchiness," praising the tactile MFL switch as the kind of feature that "clearly [has] come straight from real photographers' requests." Sigma pitches the lens explicitly at astrophotography, citing its f/1.4 speed and control set — a claim that shapes most of the criticism reviewers level at it.

In use

Autofocus is handled by an older-style stepping motor (STM) rather than Sigma's newest linear designs, but reviewers found no real downside in practice. Dustin Abbott called it "silent, extremely fast" with accuracy that held up "image after image" — a genuine step up from the screw-drive autofocus of Sigma's DSLR-era Art lenses that some longtime Sigma shooters still remember unfavorably. OpticalLimits agreed the AF is "fast and noiseless."

For night photography, the lens performs close to its billing at the center of the frame. Abbott found "coma is pretty well controlled, with only a slight bit of 'winged' stars towards the edges of the frame," with star points that stay "very sharp and crisp even at f/1.4" in the middle of the image. Bokeh quality is a pleasant surprise for a fast wide-angle prime — OpticalLimits noted the rendering is "impressive" for the class, with a clean inner zone to out-of-focus highlights and only mild deterioration toward the edges of the frame, helped along by the 11-blade diaphragm holding a round shape well past f/1.4.

Strengths

• Excellent center sharpness from f/1.4. OpticalLimits rated dead-center quality "very good" wide open, with the whole frame reaching peak performance between f/2.8 and f/8.
• Fast, silent autofocus. Dustin Abbott's real-world testing found accuracy and speed that hold up shot after shot, a clear improvement over Sigma's older Art-line AF systems.
• A genuinely professional, weather-sealed body. Dust and splash resistance, a de-clickable aperture ring, a Manual Focus Lock switch, and dual front/rear filter options in a compact 510g package that OpticalLimits scored 9.5 out of 10 for build quality.
• Real value. At about half the price of Sony's FE 24mm f/1.4 GM, with center sharpness and autofocus speed that PetaPixel found broadly comparable in direct testing.

The trade-offs — who should skip it

The corners are the honest limitation, and multiple outlets flag it independently. OpticalLimits measured the outer image field as soft at f/1.4, only reaching "good levels" by f/2 and critically sharp from f/2.8 onward — a real mismatch for a lens marketed on its astrophotography credentials, where edge-to-edge star sharpness matters. The same review measured vignetting exceeding 3 stops in the extreme corners at f/1.4 in uncorrected RAW files, and noted axial color fringing (LoCA) that's "very obvious" wide open and still visible through f/2.8. None of this is unusual for a fast 24mm, but it does undercut the astro-specialist pitch Sigma leans on.

That leaves two groups who should think twice. Landscape and astrophotographers who need genuinely sharp corners at f/1.4 — not "acceptable once stopped down to f/2.8" — will be better served by a pricier first-party lens or by simply planning to stop down, which somewhat defeats the point of buying an f/1.4. And buyers who prioritize outright light weight above all else should note the Sigma, at 510 grams, is heavier than Sony's own 445-gram FE 24mm f/1.4 GM despite costing roughly half as much — the savings come from price, not from size or weight.

How it compares

On the same Gavler list, the lens it's most directly cross-shopped against is the Sony FE 24mm f/1.4 GM, which ranks one spot higher at an 8.9. The Sony is lighter (445g vs. 510g), edges ahead in corner sharpness and coma control for dedicated astro work, and costs nearly double at roughly $1,398 — OpticalLimits's own comparison found the GM "does have an edge in terms of sharpness" but conceded "both aren't ideal at f/1.4." For Canon shooters weighing systems rather than lenses, the Canon RF 24mm f/1.4L VCM is the closest equivalent in spirit — similarly weather-sealed, similarly positioned as the value-minded option in its own mount's lineup, though it can't physically mount to an E-mount or L-mount body.

The Gavler verdict

The Sigma 24mm f/1.4 DG DN Art earns its rank on value alone: excellent center sharpness, fast and silent autofocus, and a genuinely pro-grade weather-sealed body, all for roughly half what first-party 24mm f/1.4 primes cost. The corners don't fully catch up until f/2 to f/2.8, which matters if you bought it specifically for corner-sharp astro work — but for general wide-angle, environmental, and event photography, it remains the smart buy in the class.

Common Questions

Is the Sigma 24mm f/1.4 DG DN Art worth it in 2026?

For most wide-angle shooters, yes. OpticalLimits found the lens 'represents good value' with excellent center sharpness and impressive build quality for roughly half the price of Sony's own FE 24mm f/1.4 GM. The caveat is soft corners wide open, which matters most to astro and landscape specialists.

Is the Sigma 24mm f/1.4 DG DN Art good for astrophotography?

It's capable but not the outright best in its price class for the job. Dustin Abbott found coma 'pretty well controlled, with only a slight bit of winged stars towards the edges,' but OpticalLimits was more pointed: corner softness at f/1.4 is 'certainly not ideal' for a lens 'advertised as a lens suitable for astrophotography.' Stopping down to f/2-f/2.8 largely fixes it.

Sigma 24mm f/1.4 DG DN Art vs Sony FE 24mm f/1.4 GM: which should I buy?

The Sigma costs roughly $799 versus the Sony's $1,398 and matches it closely on center sharpness and autofocus speed, per PetaPixel's side-by-side testing. The Sony is lighter (445g vs 510g) and edges ahead in corner performance and coma control for dedicated astro work. For general use, Sigma is the value pick.