Description
The Sigma 28-70mm f/2.8 DG DN Contemporary Lens for Sony E-Mount is an excellent option for photographers and videographers alike, combining versatility with high optical performance. Here are some key highlights and features of this lens:
Key Features:
- Versatile Focal Range: This lens covers a focal length of 28-70mm, making it suitable for a variety of shooting scenarios, from wide landscapes to portraits. When used on APS-C cameras, it offers an equivalent focal length of 42-105mm.
- Constant f/2.8 Aperture: The constant maximum aperture of f/2.8 throughout the zoom range allows for effective low-light performance and offers control over depth of field, making it easier to achieve subject isolation.
- Advanced Optical Design: The lens includes two FLD (F Low Dispersion) and two SLD (Special Low Dispersion) elements, along with three aspherical elements, which work together to minimize chromatic aberrations and distortion. This results in sharp, clear images with excellent color accuracy.
- Coatings: The lens is equipped with Super Multi-Layer and Nano Porous coatings that reduce lens flare and ghosting, enhancing contrast and color rendering. The water- and oil-repellent front coating keeps the lens clean and functional in challenging conditions.
- Fast and Quiet Autofocus: Thanks to the integrated stepping motor and optimized autofocus algorithm, the lens provides quick and nearly silent autofocus, which is exceptionally beneficial for filmmakers.
- Minimum Focus Distance: The lens has a minimum focus distance of 7.5 inches at 28mm and 15 inches at 70mm, allowing for close-up shooting with a magnification ratio of 1:3.3 at 28mm and 1:4.6 at 70mm.
- Bokeh Quality: The rounded nine-blade diaphragm contributes to a pleasing bokeh aesthetic when shooting at wider apertures, helping create visually appealing backgrounds that enhance the subject.
- Durable Build: The lens features a brass bayonet for accurate mounting and rigidity, rubber seals for dust- and splash-resistance, making it suitable for outdoor use in various environmental conditions.
Summary:
Overall, the Sigma 28-70mm f/2.8 DG DN Contemporary Lens is a lightweight and compact lens ideal for photographers and videographers in need of a reliable, high-performance zoom lens for their Sony E-Mount cameras. With its impressive optical design and construction quality, it stands out as a versatile tool to tackle a wide range of shooting situations.