Key Features:
- L-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
A Versatile Zoom Lens for Leica L-Mount
The 28-70mm f/2.8 DG DN Contemporary Lens from Sigma is a great choice for Leica L-Mount users. This versatile wide-angle to portrait-length zoom is characterised by its constant maximum aperture of f/2.8, making it ideal for working in low light conditions. It’s also more lightweight and compact than similar 24-70mm lenses. The optical design incorporates two FLD and two SLD low-dispersion elements plus three aspherical elements, reducing aberrations to achieve high sharpness, clarity and colour accuracy. It features one lightweight focusing element, which keeps the AF unit small and quiet, making for fast and near-silent autofocus performance. This makes it perfect for filmmakers looking for a high-performance, lightweight and easy-to-handle camera system that works well with gimbals and other accessories.
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 L-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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