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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 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 sequence of compact, high-performance, impeccably constructed primes for mirrorless digicam methods, which boast a premium all-metal weather-sealed building, 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 parts in 11 teams, with two Particular Low Dispersion (SLD) parts to cut back chromatic aberrations and colour fringing and one FLD glass component which helps to appropriate axial chromatic aberrations and two high-precision glass-molded aspherical parts to assist scale 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 pretty blur to out-of-focus areas of the picture and an inside focusing mechanism which suggests the lens barrel does not transfer.There’s a stepping motor for quick, quiet and exact auto-focusing, whereas the focusing ring offers tremendous 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
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 dimension is well-suited to a digicam just like the Sony A7 III that we examined it with, as proven within the product photographs.
Even with the equipped 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 just 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 sequence, 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 traditional metallic mount.
A rubber seal is included 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 through metallic threads on the entrance of the lens.
The lens does not characteristic built-in optical picture stabilisation, relying as an alternative on the digicam physique’s stabilisation system.
The Sigma 24mm F2 DG DN lens has a relatively adequately sized, ridged motor-assisted focus ring that may be very properly damped. Guide focusing is feasible by utilizing the main focus mode change to toggle between AF and MF.
There are not any laborious stops at both finish of the vary, making it just a little harder to set focus at infinity. Polariser customers must be happy that the 62mm filter thread does not rotate on focus.
The handbook focusing ring is positioned just a little too intently 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.
The Sigma 24mm F2 DG DN lens utilises a stepping motor which produces quiet, virtually silent, easy focusing, making it well-suited to capturing 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 digicam 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 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 virtually all the 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 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 if you happen to favor to set the aperture through the digicam 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 equipped with a lens case, however it 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 progressive magnetic metallic lens cap (LCF62-01M), along with a traditional 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.
Be aware that the magnetic lens cap cannot be used with filters, although, and can also 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 digicam.
Chromatic Aberrations
Chromatic aberrations, usually seen as blue or purple fringes alongside contrasty edges, had been considerably obvious in our check photographs, showing in very excessive distinction areas. The examples under present the worst-case situation.
Gentle 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 no less than 3 f-stops to fully forestall it.
Distortion
There’s little or no distortion evident within the JPG information – the Sony Alpha A7 III robotically and efficiently applies corrections to them – however the Uncooked file suffers from a lot of barrel distortion that you’re going to have to appropriate 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 under.
The lens is prone to flare when capturing straight into the solar, although, even with the equipped 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 reveal 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 often described in qualitative phrases, equivalent to easy / creamy / harsh and so on.
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 spite of everything a wide-angle lens.
We do realise, nonetheless, that bokeh analysis is subjective, so we have included a number of examples under on your perusal, all shot wide-open at f/2.
Sharpness
So as 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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