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SIGMA AF 70mm f/2.8 DG Macro HSM Art
- The long-awaited first macro lens in the Art line
- Design priortizing optical performance
- Focus by-wire system for comfortable and precise focusing
- Compatible with full-frame Sony E-mount cameras
- Compatible with Canon Lens Aberration Correction
- Fast AF with full-time manual focus
- Mount with dust- and splash-proof construction
The long-awaited first macro lens in the Art line
In recent years, macro lenses in the standard range have tended to employ inner focusing with the goal of maximizing autofocus speed. In contrast, the new SIGMA 70mm F2.8 DG MACRO | Art lens is designed to prioritize optical performance, fulfilling the demanding image quality requirements that define the Art line. In the standard to mid-telephoto range, it delivers stunning resolution and incredible clarity that greatly exceed expectations for a macro lens. The coreless DC motor further enhances image quality, while an optimized algorithm helps offer extremely smooth autofocus performance for a weightier, high-performance lens. Photography enthusiasts will recall a certain legendary, razor-sharp macro lens—the SIGMA MACRO 70mm F2.8 EX DG—and be glad to learn it is available in a new form, updated with outstanding Art line quality.
Design priortizing optical performance
In order to realize top-level performance at every shooting distance, the lens features an extending, floating, two-group focus mechanism. This configuration minimizes aberration to produce optimal results at any focus distance. To minimize axial chromatic aberration, the optical system incorporates two FLD glass elements, two SLD glass elements, and one element with a high rate of anomalous partial dispersion and a high index of refraction. In addition, two aspherical lens elements help increase resolution at close shooting distances. This optical system makes possible a razor-sharp in-focus area contrasted with a bokeh area free of color streaking.
Focus by-wire system for comfortable and precise focusing
The focus-by-wire system eliminates the direct mechanical connection between the focus ring and the focus drive system. Controlled by SIGMA’s latest algorithm, a newly developed coreless DC motor adjusts focus with optimal speed and low noise. Full-time manual focus is available even during autofocus, allowing the photographer to make minute focus adjustments simply by turning the focus ring. In addition, the focus ring’s large angle of rotation helps the photographer achieve the extremely precise focusing required for effective macro photography.
|Objektiv mount:||EF (Canon)|
|Kompatible mounts:||EF (Canon),EF-S (Canon)|
|Special elementer/coatings:||Two FLD glass elements Two SLD glass elements Two aspherical elements|
|Linseelement / Gruppe:||13 / 10|
|Største blænde:||F 2.8|
|Mindste blænde:||F 22|
|Filter diameter:||49 mm|