Introduction
The Sigma 28-105mm F2.8 DG DN Artwork is a quick customary zoom lens for full-frame Sony E-Mount and Leica / Panasonic / Sigma L-Mount cameras. It’s going to additionally work with APS-C sensor cameras with an efficient enhance in focal size to 42-157.5mm as a result of crop issue. The optical system is comprised of 18 components in 13 teams, together with 2 FLD glass components, 1 SLD glass components, and 5 aspherical lens components to restrict distortion and spherical aberrations. It encompasses a rounded 12 blade diaphragm which creates a horny blur to the out of focus areas of the picture. A standard aperture ring runs from f/2.8 to f/22 in third-stop increments with an Auto setting obtainable for camera-based aperture choice. There may be additionally an aperture ring lock change, an aperture ring click on change, a zoom lock change, devoted AF/MF change and two customisable AFL buttons. 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.It additionally gives a linear motor HLA (Excessive-response Linear Actuator) for quick and quiet autofocusing, with a minimal focusing distance of 40cm / 1.31ft and a most copy ratio of 1:3.1 (at 105mm). The Sigma 28-105mm F2.8 DG DN Artwork lens is priced at £1399.99 / $1499.99 within the UK and the USA, respectively. This lens was first introduced in September 2024. It’s designed and made in Japan.
Ease of Use
Weighing in at 995g / 35.1oz. and measuring virtually 16cm in size, the Sigma 28-105mm F2.8 DG DN Artwork is sort of a big and heavy customary zoom lens, though it does usefully provide a quick most aperture of F2.8 all through the versatile focal vary.As seen within the images beneath, it enhances a full-frame digital camera just like the Panasonic Lu combine S5II that we examined it with, though it feels considerably misplaced on a smaller APS-C physique.Construct high quality is superb given the comparatively inexpensive price ticket. The lens has a plastic shell with a combination of metallic components and a compound materials, TSC (Thermally Secure Composite), used inside.The lens barrel close to the mount is made from magnesium slightly than aluminum, making certain rigidity whereas decreasing the burden of those components by two-thirds.It additionally incorporates a brass bayonet mount that is presupposed to be extra sturdy.By way of options, the Sigma 28-105mm F2.8 DG DN Artwork gives virtually every little thing that you simply want from a typical zoom lens.Focusing is usefully inside and handbook focusing is feasible when set by way of the Focus change on the lens barrel. Full-time handbook focus override can also be obtainable at any time just by rotating the main target ring.The Sigma 28-105mm F2.8 DG DN Artwork lens has a generously sized focus ring, which is ridged for simpler grip. There are not any arduous stops on the ends of the vary, making it tougher to set focus at infinity. Polariser customers ought to be happy that the 82mm filter thread would not rotate on focus.The Lock operate change is a helpful characteristic that helps defend the lens. Set the focal size to 24mm and transfer it to the Lock place to forestall the zoom mechanism from creeping when the digital camera is pointed down or in storage.There are two devoted Auto Focus Lock (AFL) buttons that may also be re-configured to assign numerous capabilities to the lens barrel.On the subject of auto-focusing, the 28-105mm F2.8 DG DN Artwork is satisfyingly quick, taking lower than 0.10 seconds to lock onto the topic when mounted on the Panasonic Lumix S5III that we examined it with.We did not expertise very a lot “looking” in any respect, both in good or unhealthy gentle, with the lens precisely focusing virtually the entire time. It is also a really quiet performer, which makes this lens equally well-suited to each video recording and extra candid stills taking pictures.The primary lacking characteristic is optical picture stabilisation, so it depends on the digital camera physique’s personal built-in stabilisation, which is ok except you are an proprietor of an older digital camera physique that does not have this characteristic.Additionally it doesn’t have an inside zoom mechanism, with the lens steadily extending by approx. 4cm as you zoom out from 24mm to 105mm.The Sigma 28-105mm F2.8 DG DN Artwork ships with a very good high quality comfortable case and in addition a plastic petal-shaped lens hood (LH878-07) with a locking mechanism.Its important E-mount rival, the Sony FE 24-70mm F2.8 GM II is lighter at 695g / 24.6oz. and shorter at 12cm in size. Different choices embody the Sony FE 24-105 f/4 G OSS and the Sigma 24-70mm f2.8 DG DN II Artwork.If you would like much more telephoto attain, there’s additionally the Tamron 35-150mm F/2-2.8 Di III VXD and Samyang AF 35-150mm F2-2.8 FE.On the L-mount facet, the Panasonic Lumix S PRO 24-70mm F2.8 is nearly as heavy (935g) and barely shorter (14cm), with the Leica VARIO-ELMARIT-SL 24-70mm f/2.8 ASPH. additionally price contemplating.
Focal RangeAt the 28mm focal size the angle of view is 75.4 levels.28mmAt the 105mm focal size the angle of view is 23.3 levels.105mm
Chromatic AberrationsChromatic aberrations, usually seen as blue or purple fringes alongside contrasty edges, weren’t very obvious in our check pictures, solely showing in very excessive distinction areas.28mm105mm
VignettingWith the lens set to its most aperture of f/2.8, there may be some apparent gentle fall-off within the corners, requiring you to cease down by 3 f-stops to fully stop it.28mm105mm
DistortionDistortion is saved to an absolute minimal at each extremes of the zoom vary, apart from in the event you’re taking pictures very shut as much as your topic and are actively attempting to create a distorted impact.28mm105mm
SunstarsThe Sigma 28-105mm F2.8 DG DN Artwork produces fairly good sunstars when stopped-down to f/16-f/22, as proven beneath, and flare is nicely managed even when taking pictures straight into the solar.28mm105mm
MacroThe Sigma 28-105mm F2.8 DG DN Artwork gives a minimal focusing distance of 0.40m (1.31ft) and a most copy ratio of 1:3.1 at 105mm. The quick aperture permits you to create shallow depth of subject results making it appropriate for typical macro topics comparable to flowers.
BokehBokeh is a phrase used for the out-of-focus areas of {a photograph}, and is normally described in qualitative phrases, comparable to easy / creamy / harsh and so forth.Within the 28-105mm F2.8 DG DN Artwork lens, Sigma employed an iris diaphragm with 12 rounded blades, which has resulted in very interesting bokeh.We do realise, nevertheless, that bokeh analysis is subjective, so we have included a number of examples in your perusal.
SharpnessIn order to point out you the way sharp the Sigma 28-105mm F2.8 DG DN Artwork lens is, we’re offering 100% crops on the next pages.