Introduction
The Sigma 10-18mm F2.8 DC DN Up to date is a quick ultra-wide-angle zoom lens for Sony, Leica, Panasonic, Sigma and Fujifilm APS-C sensor mirrorless cameras, the place it offers a 15-27mm equal focal vary in 35mm full-frame phrases.It’s the world’s smallest and lightest ultra-wide-angle zoom lens with an F2.8 aperture for APS-C cameras.The optical system is comprised of 13 components in 10 teams, together with 4 “F” Low Dispersion (FLD) and 1 Particular Low Dispersion (SLD) lens to scale back chromatic aberrations and coloration fringing, plus 4 aspherical lenses to restrict distortion and spherical aberrations.This lens has a minimal focusing distance of 11.7cm / 4.6″ with a most magnification ratio of 0.25x on the 10mm focal size.It encompasses a rounded 7-blade diaphragm which creates a horny blur to out-of-focus areas of the picture and an inside focusing mechanism which implies the lens barrel would not transfer.This lens makes use of a stepping motor for quick, quiet and exact auto-focusing and full-time handbook focus override can be attainable.The Tremendous Multi-Layer coating helps to make sure that flare and ghosting are well-controlled even in backlit situations and the lens mount has a mud and splash resistant construction.The Sigma 10-18mm F2.8 DC DN Up to date lens is is obtainable in Sony E-Mount, L-Mount and Fujifilm X-Mount variations and is priced at £599 / $599 within the UK and USA, respectively.This lens was first introduced in October 2023. It’s designed and made in Japan.
Ease of Use
The Sigma 10-18mm F2.8 DC DN Up to date is an amazingly small and light-weight lens, measuring 7.22cms in size and weighing in at a mere 255g / 9.0oz., but it nonetheless manages to take care of a continuing aperture of F2.8 all through your entire zoom vary.
This makes it probably the most compact ultra-wide-angle zoom lens in its class, when assessed as an AF suitable, F2.8 fixed aperture zoom lens for APS-C sensor cameras.
As demonstrated by the product photographs, it is an incredible match for a digicam just like the Sony ZV-E1 that we examined it with, the place it feels very nicely balanced.
Construct high quality is superb given the reasonably priced price ticket. The lens has a plastic shell with a combination of metallic elements and a compound materials, TSC (Thermally Steady Composite), used inside.
It additionally incorporates a brass bayonet mount that is presupposed to be extra sturdy than a standard metallic mount. The optical components are manufactured from high-grade glass.
The Sigma 10-18mm F2.8 DC DN Up to date feels stable sufficient in your hand, regardless of its largely polycarbonate development.
The zoom ring is generously large contemplating how small the lens is, and it has a tactile ridged, rubberised grip band with a clean motion.
The lens extends by about an additional 4cm when totally zoomed out to 18mm.
The focusing ring is on the slender facet and is situated nearer to the lens mount, making it simpler to find in a rush.
The Sigma 10-18mm F2.8 DC DN Up to date encompasses a stepping motor that enables for nearly silent auto-focusing, making it well-suited to video use.
Importantly, the lens is totally suitable with the “Direct Guide Focus (DMF)” system function of Sony cameras that allows the consumer to immediately change between autofocus and handbook focus.
Focusing is totally inside however zooming isn’t, with the size of the lens altering as you zoom from 10mm to 18mm.
In use, we discovered the focusing system to be quiet, quick and dependable with the lens mounted on a Sony ZV-E1 digicam.
The Sigma 10-18mm F2.8 DC DN Up to date is not weather-proof, apart from the mount having a rubber seal, and it would not have built-in picture stabilisation, that are the 2 important concessions that it makes as a way to be each reasonably priced and so small.
The lens is provided with plastic lens caps and a plastic petal-shaped lens hood (LH706-02) – there is not any lens bag included. The filter measurement is 67mm.
Sigma have developed a model new push-on lens hood for this lens which attaches utilizing a spring and lever system. This new design reduces the scale and thickness of the hood in order that it matches the compact measurement of the lens.
Focal Vary
On the 10mm focal size the angle of view is 109.7 levels.
18mm
On the 18mm focal size the angle of view is 76.5 levels.
50mm
Chromatic Aberrations
Chromatic aberrations, usually seen as purple or blue fringes alongside contrasty edges, are nicely managed with this lens.
Vignetting
With the Sigma 10-18mm F2.8 DC DN Up to date large open at f/2.8, you possibly can see some noticeable mild fall-off within the corners. Stopping down helps, though to fully do away with this phenomenon, you will want to make use of an f-stop of not less than f/5.6 or smaller.
18mm
50mm
Distortion
There’s numerous barrel and pin-cushion distortion evident in each the JPEG and RAW information which you may must appropriate in post-processing till an appropriate lens profile is launched on your enhancing software program.
10mm
18mm
Sunstars and Flare
The Sigma 10-18mm F2.8 DC DN Up to date produces fairly good sunstars when stopped-down to f/22, as proven under, though it it a bit of liable to flare when taking pictures instantly into the solar.
18mm
50mm
Macro
The Sigma 10-18mm F2.8 DC DN Up to date is a reasonably competent macro lens, delivering 0.25x magnification and really shut focusing at 10mm.
The close-focus level is a formidable 11.7cm from the movie/sensor airplane on the 10mm focal size (19.1cm at 18mm) and it has a most magnification ratio of 1:4 on the 10mm focal size (1:6.9 at 18mm).
Bokeh
Bokeh is a phrase used for the out-of-focus areas of {a photograph}, and is often described in qualitative phrases, reminiscent of clean / creamy / harsh and so on.
One of many motive to purchase such a quick lens because the Sigma 10-18mm F2.8 DC DN Up to date is to have the ability to isolate the topic from the background.
Sigma have used an iris diaphragm with 7 rounded blades for a reasonably pleasing rendering of the out-of-focus highlights.
Under you may discover some examples, however you might be additionally inspired to take a look at our pattern photographs.
Sharpness
With a purpose to present you ways sharp the Sigma 10-18mm F2.8 DC DN Up to date lens is, we’re offering 100% crops on the next pages.
