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Sigma 24mm F2 DG DN Evaluation


The Sigma 24mm F2 DG DN is a quick wide-angle prime lens for Sony Alpha full-frame and APS-C E-mount mirrorless cameras, the place it offers a 36mm equal focal size. It is also out there for Leica / Panasonic / Sigma L-mount cameras.

This new lens is a part of the Sigma I collection of compact, high-performance, impeccably constructed primes for mirrorless digital camera methods, which boast a premium all-metal weather-sealed development, a magnetic metallic lens cap and a metallic lens hood.

The Sigma 24mm F2 for Sony was launched in September 2021, becoming a member of the Sigma 24mm F3.5 DG DN, 35mm F2.8 DG DN, 65mm F2.8 DG DN and 45mm F2.8 DG DN lenses in addition to the brand new 90mm F2.8 DG DN that we’ll be reviewing very shortly.

It options 13 components in 11 teams, with two Particular Low Dispersion (SLD) components to cut back chromatic aberrations and coloration fringing and one FLD glass aspect which helps to appropriate axial chromatic aberrations and two high-precision glass-molded aspherical components to assist scale back the dimensions and weight of the lens.

There is a Tremendous Multi-Layer Coating to reduce inner reflections in order that flare and ghosting don’t happen.

This lens boasts a dust- and splash-proof construction and has a minimal focusing distance of 24.5cm / 9.7in. with a most magnification of 0.15x.

It has a rounded 9-blade diaphragm which creates a sexy blur to out-of-focus areas of the picture and an inner focusing mechanism which implies the lens barrel does not transfer.

There’s a stepping motor for quick, quiet and exact auto-focusing, whereas the focusing ring offers high-quality handbook focus management.

A conventional aperture ring runs from f/2 to f/22 in third-stop increments with an Auto setting additionally out there for camera-based aperture choice.

The Sigma 24mm F2 DG DN lens is accessible now priced at £549 / $639 within the UK and USA, respectively.

Ease of Use

Sigma 24mm F2 DG DN

Weighing in at 360g and measuring 70mm x 74mm, the all-metal bodied Sigma 24mm F2 DG DN is fairly mild for such a premium full-frame lens.

Its general measurement is well-suited to a digital camera just like the Sony A7 III that we examined it with, as proven within the product images.

Even with the provided hood hooked up, it’s nonetheless pretty discrete for a 24mm lens.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN

It’s noticeably bigger and heavier than the slower Sigma 24mm F3.5 DG DN, although, which solely weighs 230g and measures 64mm x 50.8mm.

It is also heavier than the comparable Tamron 24mm F2.8 Di III OSD M1:2, which at 215g is definitely lighter than each Sigma options, while measuring 64mm x 73mm.

Construct high quality is just very good, far exceeding what you may anticipate from a mid-range prime lens.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN

Sigma have actually gone to city on the brand new I collection, a lot in order that they’ve defined in nice element simply how a lot thought has gone into it.

It incorporates a brass bayonet mount that is supposedly extra sturdy than a standard metallic mount.

A rubber seal is integrated into the lens mount’s design to make it dust- and splash-resistant.

The Sigma 24mm F2 DG DN lens has a metallic lens mount and it accepts 62mm filters by way of metallic threads on the entrance of the lens.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN

The lens does not function built-in optical picture stabilisation, relying as an alternative on the digital camera physique’s stabilisation system.

The Sigma 24mm F2 DG DN lens has a quite adequately sized, ridged motor-assisted focus ring that could be very properly damped. Guide focusing is feasible by utilizing the main target mode change to toggle between AF and MF.

There are not any laborious stops at both finish of the vary, making it somewhat tougher to set focus at infinity. Polariser customers ought to be happy that the 62mm filter thread does not rotate on focus.

The handbook focusing ring is positioned somewhat too carefully to the lens hood when it is fitted, although, a lot in order that my proper thumb rubbed alongside the sting of the hood as I rotated the focusing ring. A minor element, perhaps, however nonetheless of some significance on a lens the place consideration to element is the defining attribute.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN

The Sigma 24mm F2 DG DN lens utilises a stepping motor which produces quiet, virtually silent, clean focusing, making it well-suited to capturing each stills and video, with the general lens size remaining fixed throughout focusing.

On the subject of auto-focusing, it proved to be a fast performer on the Sony A7R III digital camera that we examined it with.

It is a lot sooner and quieter than the Tamron 28mm F2.8 for Sony lens, which we criticised in our evaluation as being “pretty sluggish and fairly noisy”.

We did not expertise very a lot “looking”, both in good or dangerous mild, with the lens precisely focusing virtually the entire time.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN

Sony’s close to flawless Eye AF works completely with this lens, shortly locking onto and monitoring the topic’s eye regardless of the wide-angle view, and it totally helps Sony’s DMF and AF+MF capturing modes.

The Sigma 24mm F2 DG DN lens options an aperture ring that has 1/3EV stops starting from f/2 to f/22 and an Auto setting in case you favor to set the aperture by way of the digital camera physique.

Sadly there is not any Click on change on the lens barrel that allows you to de-click it for silent operation throughout film recording.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN

The Sigma 24mm F2 DG DN lens is not provided with a lens case, but it surely does include an excellent high quality, hybrid plastic and metallic, petal-shaped lens hood (LH656-02) that continues the ribbed texture of the lens barrel, and in addition an modern magnetic metallic lens cap (LCF62-01M), along with a standard plastic cap.

This devoted metallic cap clips to the entrance floor of the lens magnetically, and there is even an elective magnetic metallic lens cap holder (CH-11) that may be clipped to a bag or a belt.

Notice that the magnetic lens cap cannot be used with filters, although, and can be fairly awkward to make use of when the lens hood is fitted.

Focal Vary

The 24mm focal size offers an angle of view of 84.1 levels on a full-frame digital camera.

Sigma 24mm F1.4 DG HSM

Chromatic Aberrations

Chromatic aberrations, sometimes seen as blue or purple fringes alongside contrasty edges, have been considerably obvious in our take a look at photographs, showing in very excessive distinction areas. The examples beneath present the worst-case situation.

Sigma 24mm F2 DG DN

Mild Fall-off

With the lens set to its most aperture of f/2, there may be apparent mild fall-off within the corners, requiring you to cease down by not less than 3 f-stops to fully stop it.

Sigma 24mm F2 DG DN


There’s little or no distortion evident within the JPG information – the Sony Alpha A7 III mechanically and efficiently applies corrections to them – however the Uncooked file suffers from a number of barrel distortion that you will must appropriate in post-processing.

Sigma 24mm F2 DG DN


Sigma 24mm F2 DG DN



The Sigma 24mm F2 DG DN is able to producing very good sunstars when stopped-down to f/16 and f/22, as proven beneath.

The lens is inclined to flare when capturing instantly into the solar, although, even with the provided lens hood fitted.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN


The Sigma 24mm F2 DG DN is not actually a macro lens, providing a minimal focusing distance of 24.5cm / 9.7in. and a most magnification ratio of 1:6.7. The next examples exhibit how shut you will get to your topic.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN


Bokeh is a phrase used for the out-of-focus areas of {a photograph}, and is often described in qualitative phrases, corresponding to clean / creamy / harsh and so forth.

Within the 24mm F2 DG DN lens, Sigma have employed an iris diaphragm with 9 round blades, which has resulted in interesting bokeh for what’s in any case a wide-angle lens.

We do realise, nevertheless, that bokeh analysis is subjective, so we have included a number of examples beneath on your perusal, all shot wide-open at f/2.

Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN
Sigma 24mm F2 DG DN


In an effort to present you the way sharp this lens is, we’re offering 100% crops on the next web page.

We will be happy to hear your thoughts

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