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24mm f/1.4 Art lens

Update: The Canon-mount version is in stock at B&H Photo.

Authorized Sigma retailers @ carry the Sigma 24mm f/1.4 DG HSM Art (for Canon and Nikon), while B&H Photo is still fulfilling pre-orders (subscribe here to be notified when it gets in stock!).

The folks at Focus Numérique have completed their review of Sigma’s latest addition to the Art lens series, and have come away very impressed overall.

It’s hard not to recommend this lens. Following the highly acclaimed 35mm f/1.4 and 50mm f/1.4, the Sigma 24mm f/1.4 Art is another top-flight optic that will delight landscape and reportage shooters. Optical quality is excellent, with very high and uniform sharpness at all apertures. […] Build quality is very good – in line with the 35 and 50mm. As for the icing on the cake, the lens is classy, discreet and relatively compact. Distortion and chromatic aberration are well controlled. The only weakness is very pronounced vignetting at large apertures.

Additionally to RAW sample images from the Canon 6D, the review features normalized sharpness results throughout the aperture range and across the field (with the same limitations as DxOMark’s). Summing things up…

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EF-mount 24mm f/1.4 Art

DxOMark’s normalized and comparative results for the Sigma 24mm f/1.4 Art (on Canon 5D Mark III) are out.

The Sigma is the joint best-performing model for the same focal length, and it comes in joint second place (after the Canon EF 35mm f2 IS USM at 33 points) in the wide-angle category.

In this test, the Sigma wins on uniformity and sharpness outside of central areas, while the Canon has the edge for peak central sharpness. Since DxOMark uses a flat target, perhaps the field curvature of the Canon plays a role here.

The acutance maps help understand the behavior of each lens. Regrettably, the focusing distance is not specified.

See more at DxOMark

Image credit: DxOMark (click)

As detailed here, DxOMark’s protocols are extremely precise, and it seems they do everything to minimize the margin of error. But for lenses in particular, two things limit the span of their findings:

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Sigma 24mm f/1.4 DG HSM Art and Sigma 18-300mm f/3.5-6.3 DC OS HSM Contemporary

Sigma has been awarded two honors by the Technical Image Press Association (TIPA).

The TIPA Awards are renowned as the most influential photo and imaging product awards in markets around the world. All products and their advertising media bearing the TIPA Awards logo indicate that these have passed evaluations by TIPA’s technical committee and magazine editors. A TIPA Awards endorsement is the highest accolade for any photo and imaging product.

And the winners are…

[Source: XXV TIPA AWARDS (2015), via Sigma Japan]

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Wide angle and fast aperture: Unavoidable optical issues?

Get the Sigma 24mm f/1.4 DG HSM Art: Adorama | B&H Photo | Amazon | CameraNU

The fine team at has put the Sigma 24mm f/1.4 Art to the proof in a must-see shootout against the competition.

I’d like to comment on two points.

The new Sigma 24mm f/1.4 Art lens does, indeed, out resolve the offerings from the major manufacturers, at least in the center of the image. At the edges, though, the advantage disappears. More importantly with any 24mm f/1.4 lens, try as you will, unless you really stop the lens way down you aren’t going to get a flat field of focus. And if you are going to stop the lens way down, why invest all the extra money for a wider aperture lens.

There are many scenarios that do not require a flat field of focus, for which field curvature is therefore irrelevant. And for those that do, stopping down is often chosen anyway (except for astrophotography and the like).

Besides, the question of whether it is worth investing extra money for a wide-aperture lens is certainly relevant for the Canon and Nikon 24mm f/1.4, but not so for the Sigma, which is actually less expensive than most f/2.8 and f/4 zooms that cover this focal length. Choosing is more a matter of usage than budget here.

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Sigma wide prime lens

B&H Photo has started fulfilling pre-orders for the Nikon-mount Sigma 24mm f/1.4 DG HSM Art (thanks Bill B.).

On its side, is giving a rough estimate: “Usually ships within 37 – 114 business days.” Seller Unique Photo has one in stock over there.

Minimum Aperture f/16
Angle of View 84.1°
Lens Construction 15 elements in 11 groups
Special Glass 3 FLD, 4 SLD and 2 Aspheric glass elements
Filter Size 77mm
Minimum Focusing Distance 25 cm / 9.8 in
Maximum Magnification 1:5.3 (0.19×)
Diaphragm Blades 9 (rounded)
Size (Diameter x Length) 85 x 90.2 mm / 3.3 x 3.6 in
Weight 665 g / 23.5 oz
Mounts Canon EF, Nikon F, Sigma SA, Sony A
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