Sigma
Sigma 201110 10-20mm f/4-5.6 EX DC HSM Wide Angle Lens
★★★★★
f/4
Capture Stunning Wide-Angle Shots with the Sigma 10-20mm EX DC HSM Lens The Sigma 10-20mm f/4-5.6 EX DC HSM Lens is a super wide-angle zoom lens designed for Sigma digital SLR cameras. Ideal for landscape, architecture, and interior photography, this lens delivers exceptional image quality with m...
$349.12*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Capture Stunning Wide-Angle Shots with the Sigma 10-20mm EX DC HSM Lens
The Sigma 10-20mm f/4-5.6 EX DC HSM Lens is a super wide-angle zoom lens designed for Sigma digital SLR cameras. Ideal for landscape, architecture, and interior photography, this lens delivers exceptional image quality with minimal distortion, allowing you to capture expansive scenes with stunning clarity.
Specifications
- Focal Length: 10-20mm
- Maximum Aperture: f/4-5.6
- Minimum Aperture: f/22-32
- Lens Construction: 14 elements in 10 groups
- Special Elements: 3 SLD (Special Low Dispersion) elements, 3 Aspherical Lens elements
- Minimum Focusing Distance: 0.24m (9.45 inches)
- Filter Size: 77mm
- AF Motor: HSM (Hyper Sonic Motor)
- Mounts Available: Sigma SA
Key Features
10-20mm focal length
15-30mm equivalent focal length on APS-C cameras, 20-40mm equivalent focal length on Four Thirds / Micro Four Thirds cameras, 16-32mm equivalent focal length on Canon APS-C cameras
F4-5.6 maximum aperture; F22-32 minimum
Ring-type ultrasonic-type AF motor with full-time manual focusing
77mm filters
0.24m/9.45" minimum focus
Available in Canon EF, Four Thirds, Pentax KAF, Sony Alpha, Sigma SA, Nikon F (DX) mounts
Super wide-angle lens designed for Sigma digital SLR cameras
Hyper Sonic motor
10 to 20 mm focal length
14 elements in 10 groups
3 special low dispersion and 3 aspherical lens elements
Specifications
Model
201110
Focal Length
10-20mm
Maximum Aperture
f/4-5.6
Minimum Aperture
F22-32
Lens Type
Wide Angle Lens
Autofocus Motor
Ring-type ultrasonic-type AF motor (Hyper Sonic Motor)
Filter Size
77mm
Minimum Focus Distance
0.24m / 9.45"
Lens Construction
14 elements in 10 groups
Special Lens Elements
3 Special Low Dispersion, 3 Aspherical
Compatible Mounts
Canon EF, Four Thirds, Pentax KAF, Sony Alpha, Sigma SA, Nikon F (DX)
Camera Compatibility
Sigma digital SLR cameras (designed for APS-C)
Pros & Cons
👍 Pros
- Offers a super wide-angle 10-20mm focal length, ideal for capturing landscapes, architecture, and confined spaces on digital SLRs
- Features a Hyper Sonic Motor (HSM) for fast, quiet, and precise autofocus performance
- Constructed with 14 elements in 10 groups, including 3 special low dispersion and 3 aspherical lens elements for optical quality
- Available in multiple mounts (Canon EF, Four Thirds, Pentax KAF, Sony Alpha, Sigma SA, Nikon F (DX)), offering broad compatibility
- Provides a close minimum focus distance of 0.24m (9.45"), allowing for compelling wide-angle close-ups
👎 Cons
- The variable maximum aperture of f/4-5.6 means light gathering ability decreases at the longer end of the zoom range
- While available for various mounts, the "DC" designation indicates it's specifically designed for APS-C sensors, not full-frame cameras
- Requires 77mm filters, which can be larger and potentially more expensive than filters for narrower lenses
- The specific weight and physical dimensions are not provided, which could impact portability and balance with some camera bodies
- The lack of built-in optical image stabilization may necessitate higher shutter speeds or a tripod in low-light scenarios
Frequently Asked Questions
What is the focal length range of this Sigma lens?
This Sigma lens offers a super wide-angle focal length range from 10mm to 20mm, providing expansive views for photography.
Does this lens work with full-frame cameras?
No, the "DC" designation in the lens name indicates it is designed for APS-C (digital SLR) cameras and is not optimized for full-frame sensors.
What is the minimum focus distance of this lens?
The minimum focus distance for this lens is 0.24 meters, or 9.45 inches, allowing for close-up wide-angle shots.
Does the lens have an internal focusing motor?
Yes, it features a ring-type ultrasonic-type AF motor, known as a Hyper Sonic Motor (HSM), for fast and quiet autofocus.
What filter size does this lens use?
This Sigma 10-20mm lens is compatible with 77mm filters.
How many special lens elements are included in its design?
The lens construction includes 3 special low dispersion elements and 3 aspherical lens elements to enhance optical performance.
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