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HSM ensures quiet and high speed AF capability With a faster aperture than the typical camera kit lens it is an excellent choice for the photographer who has higher expectations for their photoExtra Description
: Black | Style: Intl Version Micro Four Thirds Redesigned with a metal exterior under the Art categoryc this high-performance standard lens is designed exclusively for mirrorless interchangeable lens cameras and has the equivalent angle of view as a 60mm lens (35mm equivalent focal length) on the Micro Four Thirds systems and 45mm (35mm equivalent focal length) on the E-mount system. Two glass mold aspherical lensesc including a double-sided aspherical lensc provide excellent correction for all types of aberration. The inner focusing system corrects the fluctuation of aberration to maintain image quality regardless of the focal distance. Sigma’s Super Multi-Layer Coating reduces flare and ghosting as well as provides sharp and high contrast images even at the maximum aperture. The superior telecentric optical design improves the image quality throughout the frame. The optical design also allows the lens to be compact and lightweight. This lens benefits from a newly developed linear AF motorc which moves the lens elements directly without the need for gears or the drive of other mechanical parts. This system ensures accurate and quiet autofocusingc making the lens suitable for video recording as well as still photos. The lens features a rounded 7-blade diaphragm creating an attractive blur to the out of focus areas of the image. This Sigma 30mm F2.8 DN has a minimum focusing distance of 30cm/11.8in and a maximum magnification ratio of 1:8.1c and comes in either a silver or black finish.
It has a relatively fast aperture to take pictures at lower ISO at night. The 30mm is a ~50mm FF equivalentc so the focal distance is pretty similar to the human eyec which means it feels pretty natural to use it. The blades are shaped outward instead of inwardc but this is an irrelevant aesthetic choice: bokeh is smooth; not class-leading but you wont find much better out-of-focus performance at this price - or even higherc judging from reviews I saw online before purchasing this Sigma. br brDoesnt weight much and is compact. The lens is very sharp starting from f/2.8. By F/4 it is super sharpc so much so that Ive set mine to f/4 and never change it when using it during the day. If you want greater subject/background separationc then use f/2.8c while not as sharp you will be happy about the resultsc its already much sharper than any kit-lens. Going to f/5.6 yields no benefit in sharpness and by f/8 it starts getting softer. br brIf you want to use f/2.8c f/4 or f/5.6c this Sigma will make you happy. Im adding a couple pictures: my dog at f/2.8 and a wine glass at the same aperture at night with heavy bokeh (muddiness of the picture is due to post-process noise reductionc as my 5N is old and created lots of noise in this hand-held picture. A newer mirrorless would yield much better results on this Sigma.