Sigma 24-70mm f/2.8 DG OS HSM Art Lens

Key Information:

•Model: Sigma 24-70mm f/2.8 DG OS HSM Art Lens
•Type: Standard zoom lens
•Mounts: Available in Canon EF, Nikon F, Sony E-mount, and Sigma SA
•Compatibility: Full-frame and APS-C format cameras

Detailed Specifications:

•Focal Length: 24-70mm
•Maximum Aperture: f/2.8
•Minimum Aperture: f/22
•Lens Construction: 19 elements in 14 groups
•Angle of View: 84.1° - 34.3°
•Minimum Focus Distance: 14.96 inches (38 cm)
•Maximum Magnification Ratio: 1:4.8
•Diaphragm Blades: 9, rounded
•Filter Size: 82mm
•Dimensions: 3.5 x 4.2 inches (88 x 107.6 mm)
•Weight: 2.24 lbs (1,020 g)
•Image Stabilization: Optical Stabilizer (OS)
•Focus Type: Autofocus with Hyper Sonic Motor (HSM)
•Special Elements: 3 SLD (Special Low Dispersion) elements, 4 aspherical elements to minimize aberrations

How and Why This is a Great Product:

1. Exceptional Image Quality:

•High-Performance Optics: The lens features 3 SLD elements and 4 aspherical elements, which work together to minimize chromatic aberrations, distortion, and field curvature. This ensures sharp, clear, and high-contrast images throughout the zoom range.
•Constant f/2.8 Aperture: A wide and constant aperture of f/2.8 allows for excellent low-light performance and depth of field control, making it ideal for various lighting conditions and artistic effects.

2. Versatile Zoom Range:

•24-70mm Focal Length: This standard zoom range covers a variety of shooting scenarios, from wide-angle landscapes to standard portraits, making it a versatile choice for many photographers.

3. Reliable Image Stabilization:

•Optical Stabilizer (OS): The built-in optical stabilizer compensates for camera shake, providing up to 4 stops of stabilization. This feature is particularly useful for handheld shooting and low-light situations.

4. Fast and Quiet Autofocus:

•Hyper Sonic Motor (HSM): Ensures fast, accurate, and quiet autofocus performance. This is essential for capturing spontaneous moments and for use in quiet environments such as weddings and events.

5. Professional Build Quality:

•Robust Construction: The lens is built with a thermally stable composite (TSC) material, which ensures durability and reliability under various temperature conditions. The metal barrel construction adds to its sturdiness.
•Weather Sealing: Designed to withstand the elements, the lens features dust and splash-proof construction, making it suitable for use in challenging environments.

6. Enhanced Artistic Control:

•Rounded Diaphragm Blades: The 9 rounded blades produce a pleasing bokeh effect, enhancing the aesthetic quality of out-of-focus areas.
•Consistent Performance: The constant f/2.8 aperture provides consistent exposure settings across the zoom range, offering greater creative control and ease of use.

7. Compatibility and Flexibility:

•Multiple Mount Options: Available for Canon EF, Nikon F, Sony E-mount, and Sigma SA, providing flexibility for use with different camera systems.
•Customization: Compatible with Sigma’s USB Dock for firmware updates and customization of focus settings, ensuring the lens can be tailored to specific needs.


The Sigma 24-70mm f/2.8 DG OS HSM Art Lens is an outstanding standard zoom lens that combines exceptional image quality, versatile zoom range, and advanced features. Its high-performance optics, constant wide aperture, and reliable image stabilization make it ideal for a variety of photographic applications, from portraits to landscapes. The professional build quality, fast autofocus, and enhanced artistic control further enhance its appeal, making it a valuable tool for both amateur and professional photographers. This lens is designed to deliver top-tier performance and reliability, ensuring stunning results in every shot.