Sigma 24-70mm f/2.8 DG OS HSM is a versatile standard zoom lens designed for Sigma SA-mount cameras, providing a 36-105mm equivalent focal length range when used with APS-C sensors. As a member of Sigma’s esteemed Art series, this lens boasts a sophisticated optical design to deliver outstanding image quality across its wide-angle to portrait-length focal range. Here are the key features:
Versatile Focal Length Range:
Covers a useful wide-angle to portrait-length range, making it suitable for various shooting scenarios.
Constant f/2.8 Aperture:
Maintains a fast f/2.8 maximum aperture throughout the zoom range, providing consistent performance and enabling excellent control over depth of field.
Optical Excellence:
Incorporates three Special Low Dispersion (SLD) elements and four aspherical elements to reduce chromatic and spherical aberrations, color fringing, distortions, and other optical anomalies, ensuring high clarity and sharpness.
Super Multi-Layer Coating:
Applied to lens elements to minimize lens flare and ghosting, contributing to contrast-rich and color-neutral imagery, even in challenging lighting conditions.
Hyper Sonic Motor (HSM):
Enables quick, smooth, and quiet autofocus performance. Full-time manual focus override is available for precise control.
Optical Stabilizer (OS):
Minimizes the appearance of camera shake by up to four stops, enhancing the potential for sharp handheld shots, particularly in low-light conditions.
Durable Construction:
Utilizes Thermally Stable Composite (TSC) material for durability in various environments. The brass bayonet mount ensures improved mounting accuracy and rigidity.
Water- and Oil-Repellent Coating:
Applied to the front lens element, providing protection and facilitating work in harsh environmental conditions.
Rounded Nine-Blade Diaphragm:
Constructed from durable, fluorine-coated polycarbonate, contributing to a smooth bokeh quality. Carbon feather film ensures smooth performance during fast continuous shooting.
Compatibility with Sigma USB Dock:
Allows fine-tuning of different lens characteristics and firmware updates with the optional Sigma USB Dock.
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