Redesigned with a metal exterior under the Art category, this high-performance standard lens is designed exclusively for mirrorless interchangeable lens cameras. Two glass mold aspherical lenses, including a double-sided aspherical lens, 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 motor, which moves the lens elements directly without the need for gears or the drive of other mechanical parts. This system ensures accurate and quiet auto focusing, making the lens suitable for video recording as well as still photos.
Produktbeskrivelse | : | Sigma Art - vidvinkel zoom objektiv - 18 mm - 35 mm |
Objektivsystem | : | Vidvinkel zoom objektiv |
Beregnet til | : | Digital-SLR |
Monteringstype | : | Canon EF-S |
Bl�nde�bning | : | F/1.8 |
Br�ndvidde | : | 18 mm - 35 mm |
Optisk zoom | : | 2 x |
Min. fokusafstand | : | 28 cm |
Fokusindstilling | : | Automatisk, manuel |
Objektivkonstruktion | : | 12 gruppe(r) / 17 komponent(er) |
Specielle funktioner | : | Vidvinkel, zoom |
Filterst�rrelse | : | 72 mm |
L�ngde | : | 12.1 cm |
V�gt | : | 810 g |
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