Overview
The Sigma 28-70mm f/2.8 DG DN Contemporary Lens for Sony E Mount is an all-purpose large-aperture zoom lens. It's f/2.8 constant maximum aperture suits working in available lighting conditions while affording increased control over depth of field. The advanced optical design incorporates two SLD and two FLD plus three aspherical elements that minimize a variety of aberrations so as to create images with high sharpness, excellent clarity, and superb color accuracy. This portable lens keeps the AF unit small with just one lightweight focusing element. 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.
Highlights
- E-Mount Lens/Full-Frame Format
- Aperture Range: f/2.8 to f/22
- 2 FLD, 2 SLD, and 3 Aspherical Elements
- Super Multi-Layer & Nano Porous Coatings Coating
- Water- and Oil-Repellent Front Coating
- Stepping AF Motor
- Rounded 9-Blade Diaphragm
- Dust- and Splash-Proof Construction
Specifications
- Focal Length: 28 to 70mm
- Aperture:
- Maximum: f/f/2.8
- Minimum: f/22
- Camera Mount Type: Sony E
- Format Compatibility: Full-Frame
- Angle of View: 75.4° ~ 34.3°
- Minimum Focus Distance: 7.5" (19 cm)
- Magnification: 3.3 to 4.6x
- Elements/Groups: 16/12
- Diaphragm Blades: 9, Rounded
- Autofocus: Yes
- Filter Thread: Front: 67 mm
- Dimensions (DxL): Approx. 2.8 x 4" (72.2 x 101.5 mm)
- Weight: 16.6 oz (470 g)