Key Features:
- E-Mount Lens/Full-Frame Format
- Aperture Range: f/2.8 to f/22
- Two FLD Elements, Two SLD Elements
- Three Aspherical Elements
- Super Multi-Layer & Nano Porous Coatings
- Water- and Oil-Repellent Front Coating
- Stepping Motor AF System
- Rounded 9-Blade Diaphragm
- Dust- and Splash-Proof Design
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 designed for Sony E-Mount is a versatile zoom lens covering a wide-angle to portrait-length range, distinguished by its constant f/2.8 maximum aperture. This design is well-suited for working in various lighting conditions while providing precise control over depth of field. Notably more lightweight and compact compared to similar 24-70mm lenses, its optical construction includes two FLD and two SLD low-dispersion elements, along with three aspherical elements, effectively minimizing a range of aberrations. The result is high sharpness, enhanced clarity, and improved colour accuracy.
With just one lightweight focusing element, the lens keeps its autofocus (AF) unit compact. Combined with a quiet and fast stepping motor, this configuration ensures responsive and nearly silent autofocus performance. This makes it an excellent choice for filmmakers seeking a high-performance, lightweight lens that is easy to handle and works seamlessly with gimbals or other accessories, contributing to an optimal filming experience.
Each optical surface features Super Multi-Layer and Nano Porous coatings to improve contrast and colour rendering by suppressing lens flare and ghosting for optimal light transmission, and an added water- and oil-repellent coating on the front optic helps keep the lens free from smudges and droplets. The weather-sealed design benefits working in trying environmental conditions, and a nine-blade rounded diaphragm contributes a pleasing bokeh quality when using wider apertures.
- Standard zoom for full-frame E-mount mirrorless cameras
- 42-105mm equivalent focal length when used on an APS-C camera
- Constant f/2.8 maximum aperture for Low light use and depth-of-field control
- Two F Low Dispersion (FLD) and two Special Low Dispersion (SLD) elements reduce chromatic aberrations and colour fringing
- Three aspherical elements control spherical aberrations and distortion
- Both Super Multi-Layer and Nano Porous coatings minimize lens flare and ghosting and produce contrast-rich and colour-neutral imagery
- Integrated stepping motor and optimized AF algorithm provides quick and quiet autofocus
- 28mm minimum focus distance: 7.5″, 1:3.3 magnification
- 70mm minimum focus distance: 15″, 1:4.6 magnification
- Rounded nine-blade diaphragm for a pleasing bokeh quality
- Brass bayonet for mounting accuracy and rigidity
- Rubber sealing for dust- and splash-resistance


































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