That is the primary of the brand new I-series of lenses from Sigma, firmly aimed on the prime finish of the market, with metallic development and the best aspirations for efficiency. This might be a variety of small, high-quality prime lenses. 35mm has all the time been considered a wonderful “vast commonplace” lens for full-frame and it can be utilised as a regular lens for APS-C format. Nonetheless, it’s aimed on the full-frame person specifically and is out there for L mount and Sony FE mount mirrorless cameras. Right here we now have a detailed take a look at the brand new lens, utilizing the 42MP Sony Alpha A7R III physique.

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Sigma 35mm f/2 DG DN Up to date Dealing with and Options

Sigma 35mm F2 On Sony A7RIII | 1/4 sec | f/16.0 | 60.0 mm | ISO 100

As we will see, there are a few quirky claims concerning the lens, and the primary begins proper on the entrance. The bayonet match spherical lens hood can be metallic and bayonets very properly onto the lens. The usual clip-on lens cap is supplied, but additionally a metallic magnetic cap that simply clips onto the entrance to supply “higher integration”. No matter that will imply, there’s additionally a caveat within the directions that warns that the cap must be stored nicely away from credit score and debit playing cards lest their magnetic data must be corrupted. Many individuals do not learn directions, and a few might do what I do and pop a lens cap right into a trouser pocket throughout a shoot, so it’s all the time readily available in the identical place. Sadly, that is additionally the place my pockets could be discovered, and if my credit score and debit playing cards ought to turn out to be corrupted I might not be joyful. As quickly as filters are hooked up the magnetic lens cap can’t be used anymore. The usual filter thread is supplied and this lens takes 58mm filters. Sadly, the filter measurement just isn’t constant throughout the I-range of small primes.

Shifting alongside in the direction of the digital camera physique, subsequent up is the digital guide focusing ring, as easy as silk as we’d anticipate. Focusing is all the way down to 0.27m, or 0.89 toes. This can be a most magnification of 1:5.7, not macro distances however usefully shut for common use. The same old settings for AF discovered on Sony our bodies are supported – so AF, MF and DMF (Direct Guide Focus) can be found as traditional. This final setting permits tweaks to be made to the main target place manually while nonetheless in AF mode. Simply behind this ring is a lower out within the mount design the place there’s some lettering (Made in Japan and minimal focus distance) however maybe with a little bit of redesign might be extra helpful for a depth of subject scale, which isn’t supplied.

The aperture ring provides an A setting, ought to we want to use the digital camera to set the aperture, and a really nicely delineated aperture scale in one-third of a cease increments. One other quirky declare is the usage of “sound deadening grease” to enhance the expertise for videographers. Nonetheless, there isn’t a lock on the A setting to stop it being knocked by accident, neither is there any approach to change off the clicks. It’s superbly damped, however the clicks aren’t any extra silent than most.
Sigma 35mm F2 On Sony A7RIII With Hood | 0.4 sec | f/16.0 | 60.0 mm | ISO 100

Optical development is 10 parts in 9 teams. There are 1 SLD (Tremendous Low Dispersion) and three Glass Moulded Aspheric parts. The diaphragm includes 9 blades and gives a creditably spherical aperture even at small settings.

Rounding this off properly, the lens is mud and splashproof and its high quality metallic development nonetheless solely leads to a fairly mild 325g weight. Earlier than we attain the digital camera physique, the final management is the same old AF/MF change. The precise bayonet mount is a really agency match on the A7R III physique, however is clearly of top of the range and ensures there’s completely no play within the match.

It is a very pleasing lens in use, with a couple of unusual quirks as talked about and a few design factors that I really feel might be improved. The efficiency would be the key as to whether or not this lens makes the grade, so let’s take a look at that subsequent.
Sigma 35mm F2 Rear Oblique View | 0.4 sec | f/16.0 | 115.0 mm | ISO 100

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