Sigma 28-70mm f/2.8 DG DN Contemporary Lens (L-mount)
Sigma 28-70mm f/2.8 DG DN Contemporary Lens (L-mount)
Úplný popis
The 28-70mm f/2.8 DG DN Contemporary Lens for Leica L-Mount from Sigma is a versatile wide-angle to portrait-length zoom characterized by its f/2.8 constant maximum aperture. The design suits working in available lighting conditions while affording increased control over depth of field. More lightweight and compact than similar 24-70mm lenses, it's optical design 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. It 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.
- 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
Parametry
- Značka Sigma
- Bajonet (pokrytí) L-mount (Full-frame)
- Rozměr filtru 82mm (kruhový)
- Maximální světelnost objektivu (f) 2.8 f
- Nejširší ohnisko 28 mm
- Nejdelší ohnisko 70 mm
- Typ objektivu Sferický
- Rozsah pokrytí Fullframe (Vistavision / Alexa LF) rozlis