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Introduction
The Sigma 50mm F1.2 DG DN Artwork is a really quick customary prime lens for Sony, Leica, Panasonic and Sigma 35mm full-frame sensor mirrorless cameras. It can be used on APS-C sensor mirrorless cameras, the place it gives a 75mm equal focal size.The optical components is comprised of 17 parts in 12 teams, together with 4 aspherical lenses to restrict distortion and spherical aberrations. It has a minimal focusing distance of 40cm / 15.8″ with a most magnification ratio of 1:6.2.It incorporates a rounded 13-blade diaphragm which creates a really enticing blur to out-of-focus areas of the picture and an inner focusing mechanism means the lens barrel by no means strikes.This lens makes use of twin HLA (Excessive-response Linear Actuator) motors for quick, quiet and exact auto-focusing and full-time handbook focus override can be attainable by rotating the main target ring whereas utilizing autofocus.The Tremendous Multi-Layer coating helps to make sure that flare and ghosting are well-controlled even in backlit situations and the lens has a mud and splash resistant construction with particular sealing on the mount connection, handbook focus ring, zoom ring, and canopy connection.A conventional aperture ring runs from f/1.2 to f/16 in third-stop increments with an Auto setting additionally obtainable for camera-based aperture choice. There’s additionally an aperture ring lock swap, an aperture ring click on swap and a customisable AFL button. The Sigma 50mm F1.2 DG DN Artwork lens is priced at £1299 within the UK, €1399 in Europe and $1399 within the USA. This lens was first introduced in March 2024. It’s designed and made in Japan.
Ease of Use
Weighing in at 745g / 26.3oz. and measuring 81mm in diameter and 108.8mm in size, the hybrid steel and engineering plastic bodied Sigma 50mm F1.2 DG DN Artwork is comparatively mild and compact for such a quick, 35mm full-frame lens.
Its general dimension is pretty well-suited to a digital camera just like the Panasonic Lumix S5II that we examined it with, as proven within the pictures beneath, though with the equipped hood connected it’s fairly imposing for a 50mm lens.
Whereas you need to use it on a smaller APS-C physique, it will not steadiness very properly in any respect (and the focal size will even change).
This new lens is barely lighter and smaller than its fundamental mirrorless rival, the Sony FE 50mm F1.2 GM, which weighs in at 778g grams and measures 87mm in diameter and 108mm in size. The Sigma model can be rather a lot cheaper, to the tune of round £800 / $600.
In comparison with the older Sigma 50mm f1.4 DG HSM Artwork, which is without doubt one of the greatest and heaviest 50mm prime lenses that we have ever examined with a weight of 910 grams and measuring 12.6cm in size, the brand new Sigma 50mm F1.2 DG DN is impressively each considerably shorter and lighter, in addition to providing a quicker most aperture.
The Panasonic Lumix S Professional 50mm F1.4 can be an enormous prime lens, weighing in at a whopping 955g and measuring virtually 13cm in size, making it even bigger and heavier than the Sigma 50mm f1.4 DG HSM Artwork.
Construct high quality is superb given the reasonably priced price ticket. The lens has a plastic shell with a mix of metallic magnesium components and a compound materials, TSC (Thermally Steady Composite), used inside.
It additionally incorporates a brass bayonet mount that is purported to be extra sturdy than a traditional steel mount. The optical parts are fabricated from high-grade glass. The Sigma 50mm f1.4 DG HSM Artwork definitely feels stable sufficient in your hand, regardless of its largely polycarbonate development.
It has a sealed mud and moisture resistant design, though Sigma stops in need of saying that it is 100% water-proof, stating that “Watch out to not carry the lens involved with a considerable amount of water. Water contained in the lens could trigger main harm and even render the lens unrepairable.”
The Sigma 50mm F1.2 DG DN lens accepts 72mm filters by way of steel threads on the entrance of the lens.
The focusing ring is generously sized and is situated in direction of the tip of the lens barrel. There isn’t any distance scale and no depth of subject scale on this lens.
There are not any laborious stops at both ends of the vary, both, making it more durable to set focus at infinity. Pol ariser customers must be happy that the 72mm filter thread does not rotate on focus.
Guide focusing is feasible through the use of the main target mode swap to toggle between AF and MF. An AF/MF swap on the facet of the lens makes it straightforward to change between the 2 focusing methods.
In use, we discovered the focusing system to be quiet, quick and dependable with the lens mounted on a Panasonic Lumix S5II digital camera.
It is also a really quiet performer, because of the newly developed built-in twin Excessive-response Linear Actuator motors, making it well-suited to video recording, particularly because it has additionally been designed to suppress focus respiratory.
Full-time handbook focus override can be obtainable through the use of the Direct Guide Focus (DMF) operate on Sony cameras after which rotating the main target ring.
There’s a devoted Auto Focus Lock (AFL) button which could be optionally re-configured to assign varied features to the lens barrel.
The Sigma 50mm F1.2 DG DN Artwork lens incorporates a conventional aperture ring. It has 1/3EV stops starting from f/1.2 to f/16 and an Auto setting in case you favor to set the aperture by way of the digital camera physique.
There’s additionally a Lock swap which both locks the aperture ring to Auto or to the aperture values, and a Click on swap that permits you to de-click it for silent operation throughout film recording.
The lens does not characteristic built-in optical picture stabilisation, relying as a substitute on the digital camera physique’s stabilisation system.
The Sigma 50mm F1.2 DG DN Artwork lens is commendably equipped with plastic lens caps, a plastic round petal-shaped lens hood (LH782-03) with a locking mechanism, and high quality padded case.
Focal Vary
The 50mm focal size gives an angle of view of 47 levels on a 35mm full-frame digital camera.
Chromatic Aberrations
Chromatic aberrations, usually seen as blue or purple fringes alongside contrasty edges, weren’t very obvious in our take a look at photographs, solely showing in very excessive distinction areas. The instance beneath exhibits the worst-case state of affairs.
Vignetting
With the lens set to its most aperture of f/1.2, there’s some mild fall-off within the corners as you’d count on, requiring you to cease down by no less than 3 f-stops to forestall it fully.
Distortion
There’s just a bit barrel distortion evident which might simply be eliminated throughout post-processing.
Sunstars and Flare
The Sigma 50mm F1.2 DG DN is able to producing fairly good sunstars when stopped-down to f/16, as proven beneath.
The lens is barely inclined to flare when capturing immediately into the solar, although, even with the equipped lens hood fitted, however it’s largely well-controlled.
Macro
The Sigma 50mm F1.2 DG DN is not claimed to be a macro lens, however it does usefully supply a minimal focusing distance of 40cm / 15.8in. with a most magnification of 1:6.2. The next instance demonstrates how shut you may get to your topic.
Bokeh
Bokeh is a phrase used for the out-of-focus areas of {a photograph}, and is normally described in qualitative phrases, similar to clean / creamy / harsh and so on.
Within the 50mm F1.2 DG DN lens, Sigma have employed an iris diaphragm with 13 round blades, which has resulted in very interesting bokeh for the standard prime lens.
We do realise, nonetheless, that bokeh analysis is subjective, so we have included a number of examples beneath in your perusal.
Sharpness
To be able to present you the way sharp the Sigma 50mm F1.2 DG DN lens is, we’re offering 100% crops on the next web page.
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