Product Overview The Sigma 17-50mm f/2.8 EX DC HSM is a classic APS-C standard zoom lens built for DSLR cameras. Featuring a bright constant f/2.8 maximum aperture across the entire zoom range, Hyper Sonic Motor (HSM) autofocus and sophisticated optical design. This versatile zoom delivers solid image quality, great low-light performance, and pleasing bokeh for everyday shooting, portrait, street, travel and event photography.
Key Features
Constant bright f/2.8 maximum aperture throughout 17–50mm zoom range for consistent exposure
Sigma EX series optical design optimized for APS-C DSLR sensor format
Special low dispersion glass elements reduce chromatic aberration, distortion and purple fringing
Super Multi-Layer Coating suppresses lens flare and ghosting, preserving contrast and color accuracy
Built-in HSM Hyper Sonic Motor provides fast, quiet autofocus performance
Compact standard zoom covering wide-angle to short telephoto focal range
Great for portraits, street snapshots, travel, indoor events and general daily photography
Technical Specifications
Model: Sigma 17-50mm f/2.8 EX DC HSM
Format: APS-C
Focal Length: 17–50mm Zoom
Maximum Aperture: Constant f/2.8
Minimum Aperture: f/22
Optical Construction: 17 Elements in 13 Groups
Angle of View: 72.4° – 31.7°
Minimum Focus Distance: 0.28m
Max Magnification: 1:4.6
Filter Thread Size: 77mm
Diaphragm Blades: 7 Rounded Blades
Autofocus: HSM Hyper Sonic Motor
Compatible Cameras: Canon EF-S / Nikon DX APS-C DSLR bodies (Select your mount in listing)
Package Includes 1 × Sigma 17-50mm f/2.8 EX DC HSM Lens 1 × Front Lens Cap 1 × Rear Lens Cap 1 × Petal Lens Hood
Package includes: 1 * Sigma 17-50mm f/2.8 EX DC HSM Standard Zoom Lens
Tips: 1. The pictures are for reference only, please refer to the actual product received. Due to shooting problems, there will be some deviations in the pictures! 2. If you find any problems after receiving the product, please contact us before scoring, customer service will do our best to deal with you, thank you~