Sigma 28-70mm f/2.8 DG DN Contemporary Lens for Sony E-Mount
The Sigma 28-70mm f/2.8 DG DN Contemporary Lens for Sony E-Mount is a versatile wide-angle to portrait-length zoom characterized by its f/2.8 constant maximum aperture. True to the Contemporary line's core concept, the 28-70mm F2.8 DG DN | Contemporary was developed to offer the right balance of performance and portability, and as such, this large-aperture standard zoom delivers outstanding image quality that rivals Art line lenses in a body light enough for day-to-day use.
More lightweight and compact than similar 24-70mm lenses, its optical design is based on the 24-70mm F2.8 DG DN | Art and incorporates two FLD and two SLD low-dispersion elements plus three aspherical elements that reduce a variety of aberrations to achieve high sharpness, enhanced clarity, and improved color accuracy.
The Sigma 28-70mm f/2.8 DG DN Contemporary Lens for Sony E-Mount features just one lightweight focusing element, which keeps the AF unit small. This, along with a quiet and fast stepping motor, makes for responsive and near-silent autofocus performance, an ideal combination for filmmakers looking for a high-performance, lightweight, and easy-to-handle camera system that works well with a gimbal or other accessories.
Two F Low Dispersion (FLD) and two Special Low Dispersion (SLD) elements reduce chromatic aberrations and color fringing
Super Multi-Layer and Nano Porous coatings minimize lens flare and ghosting and produce contrast-rich and color-neutral imagery
Rounded nine-blade diaphragm for a pleasing bokeh quality
Specifications:
| Focal Length | 28 to 70mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Sony E |
| Lens Format Coverage | Full-Frame |
| Angle of View | 75.4° to 34.3° |
| Minimum Focus Distance | 7.5" / 19 cm |
| Maximum Magnification | 4.6x |
| Optical Design | 16 Elements in 12 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 67 mm (Front) |
| Dimensions (ø x L) | 2.8 x 4" / 72.2 x 101.5 mm |
| Length at Maximum Extension | 4.97" / 126.3 mm |
| Weight | 16.6 oz / 470 g |
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