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Introduction
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 gives a 36mm equal focal size. It is also accessible 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 techniques, 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 scale back chromatic aberrations and shade fringing and one FLD glass component which helps to right axial chromatic aberrations and two high-precision glass-molded aspherical components to assist cut back the scale and weight of the lens.There is a Tremendous Multi-Layer Coating to attenuate inside 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 lovely blur to out-of-focus areas of the picture and an inside 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 gives high quality guide focus management.A standard aperture ring runs from f/2 to f/22 in third-stop increments with an Auto setting additionally accessible for camera-based aperture choice.The Sigma 24mm F2 DG DN lens is offered now priced at £549 / $639 within the UK and USA, respectively.
Ease of Use
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 total measurement is well-suited to a digital camera just like the Sony A7 III that we examined it with, as proven within the product photographs.
Even with the provided hood hooked up, it’s nonetheless pretty discrete for a 24mm lens.
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 alternate options, while measuring 64mm x 73mm.
Construct high quality is solely excellent, far exceeding what you would possibly anticipate from a mid-range prime lens.
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.
The lens does not characteristic built-in optical picture stabilisation, relying as a substitute on the digital camera physique’s stabilisation system.
The Sigma 24mm F2 DG DN lens has a fairly adequately sized, ridged motor-assisted focus ring that may be very properly damped. Guide focusing is feasible through the use of the main focus mode change to toggle between AF and MF.
There aren’t any onerous stops at both finish of the vary, making it a little bit harder to set focus at infinity. Polariser customers needs to be happy that the 62mm filter thread does not rotate on focus.
The guide focusing ring is positioned a little bit 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, possibly, however nonetheless of some significance on a lens the place consideration to element is the defining attribute.
The Sigma 24mm F2 DG DN lens utilises a stepping motor which produces quiet, nearly silent, clean focusing, making it well-suited to taking pictures each stills and video, with the general lens size remaining fixed throughout focusing.
With regards to 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 quicker and quieter than the Tamron 28mm F2.8 for Sony lens, which we criticised in our overview as being “pretty gradual and fairly noisy”.
We did not expertise very a lot “searching”, both in good or dangerous mild, with the lens precisely focusing nearly the entire time.
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 taking pictures 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 the event you choose to set the aperture by way of the digital camera physique.
Sadly there isn’t any Click on change on the lens barrel that permits you to de-click it for silent operation throughout film recording.
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 gives an angle of view of 84.1 levels on a full-frame digital camera.
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 state of affairs.
Gentle Fall-off
With the lens set to its most aperture of f/2, there’s apparent mild fall-off within the corners, requiring you to cease down by a minimum of 3 f-stops to utterly forestall it.
Distortion
There’s little or no distortion evident within the JPG recordsdata – the Sony Alpha A7 III robotically and efficiently applies corrections to them – however the Uncooked file suffers from plenty of barrel distortion that you’re going to have to right in post-processing.
JPEG
Uncooked
Sunstars
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 taking pictures straight into the solar, although, even with the provided lens hood fitted.
Macro
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 show how shut you will 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, comparable 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, nonetheless, that bokeh analysis is subjective, so we have included a number of examples beneath in your perusal, all shot wide-open at f/2.
Sharpness
To be able to present you ways sharp this lens is, we’re offering 100% crops on the next web page.
Subsequent Web page
Sharpness: 1 »
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