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posted Wednesday, February 9, 2022 at 7:30 AM EST
Sigma has introduced the seventh lens in its ‘I Collection’ of premium compact prime lenses for mirrorless cameras. The brand new 20mm F2 DG DN Up to date is the widest lens within the all-metal sequence, providing a 94.5-degree angle of view on full-frame cameras.
The lens, out there in L-mount and Sony E-mount, weighs simply 370 grams (13.1 ounces) and is a mere 72.4mm (2.9″) lengthy. The utmost diameter is 70mm (2.8″), and the lens has a 62mm filter thread.
We’ve got been in a position to go hands-on with the lens forward of as we speak’s announcement, though on account of unexpected technical points, our first hands-on photographs will not be out there till later this week. Nonetheless, we are able to inform you that the brand new 20mm F2 DG DN lens options the identical wonderful construct high quality as different I Collection lenses, equivalent to the primary I Collection lenses we examined a yr in the past.
Picture courtesy of Sigma
The ‘Made in Japan’ lens has a metallic, knurled focus ring that gives a superb grip and really feel. The rotation is easy but presents an assuring resistance. When focusing manually – which might be completed with a fast flick of the arc-type AF/MF swap – it is simple to realize exact focus. The lens additionally contains an aperture management ring. It’s labeled at F2 by way of F22 with one-third apertures designated with quick dashes. There’s additionally an automated (A) place to the left of F22. The aperture ring options the identical nice textured end as the main focus ring. By the best way, the lens has a dust- and splash-resistant design.
Like different I Collection lenses, the 20mm F2 DG DN C comes with an everyday lens cap and a second magnetic lens cap. It additionally features a textured lens hood that matches the styling of the remainder of the lens. The whole bundle is sort of fashionable.
Optically, the lens has quite a lot of components regardless of its compact body. The lens contains 13 components throughout 11 teams. Among the many 13 components are a single FLD, an SLD and three aspherical lens components. The lens contains Tremendous Multi-Layer Coating and Nano Porous Coating to cut back ghosting and flare. Sigma has targeted on sharp efficiency throughout the body, even when capturing extensive open. Additional, Sigma’s engineers have labored to suppress sagittal coma flare, so the lens ought to work nicely for night time sky images. We are going to take a look at this side of the lens’s efficiency as quickly because the climate permits.
In terms of autofocus, the lens makes use of a stepping motor autofocus system. In use, it is moderately fast, though it’s audible when making focus changes. When it comes to shut focusing efficiency, the lens can focus as shut as 22cm (8.7″), leading to a most magnification ratio of 1:6.7.
The Sigma 20mm F2 DG DN Up to date I Collection lens can be out there starting February 25 at a urged retail value of $699. Like different I Collection lenses, it is out there for L-mount and E-mount.
We can have a hands-on evaluate of the lens out there quickly and intention to publish gallery photographs by the tip of the week. Thanks to your endurance.
