Sigma 10-20mm f/3.5 EX DC HSM Lens

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Key Features
  • Crop Sensor Format
  • 15-30mm (35mm Equivalent)
  • Aperture Range: f/3.5 to f/22
  • Two ELD Elements, One SLD Element


Covering a flexible ultra-wide range, the 10-20mm f/3.5 EX DC HSM from Sigma is a versatile zoom well-suited for landscape, architectural, and interior photography. The lens’s optical design incorporates a series of low dispersion and aspherical elements, which help to reduce chromatic and spherical aberrations throughout the zoom range, as well as contribute to improved sharpness and clarity. A Super Multi-Layer Coating is also used to suppress flare and ghosting for improved contrast and color accuracy. Benefiting the imaging attributes, a Hyper Sonic Motor also affords quick and quiet autofocus performance as well as full-time manual focus override.

Wide-angle zoom is designed for crop sensor cameras and provides a 15-30mm equivalent focal length range.
Constant f/3.5 maximum aperture is suitable for working in available light conditions.
Two Extra-Low Dispersion (ELD) elements and one Special Low Dispersion (SLD) element are featured in the optical design, and help to reduce color fringing and chromatic aberrations for improved clarity and color accuracy.
Four aspherical elements are used to help limit distortion and spherical aberrations and also contribute to greater overall sharpness and accurate rendering.
Super Multi-Layer Coating has been applied to individual elements to minimize flare and ghosting for improved contrast and color accuracy when working in strong lighting conditions.
Hyper Sonic Motor (HSM), along with an internal focusing design, realizes quick and quiet auto focus performance as well as full-time manual focus override.
Minimum focusing distance of 9.4″ is available throughout the zoom range.
Seven-blade diaphragm contributes to a pleasing bokeh quality.

Additional information

Weight 1.73 lbs
Dimensions 5.7 × 4.85 × 4.65 in
Lens Mount

Nikon, Canon, Pentax, Sigma

Dimensions (ø x L)

Angle of View

Diaphragm Blades

Filter Size

Focal Length

Focus Type

Format Compatibility

Lens Mount

Maximum Aperture

Maximum Magnification

Minimum Aperture

Minimum Focus Distance

Optical Design

Image Stabilization



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