Sigma
Sigma 201101 10-20mm f/4-5.6 EX DC HSM Canon Lens
★★★★★
Capture Stunning Wide-Angle Shots with Sigma 10-20mm LensThe Sigma 10-20mm f/4-5.6 EX DC HSM lens is designed exclusively for Canon digital SLR cameras, offering an ultra-wide-angle view perfect for landscape photography and indoor shooting. Its advanced optical design ensures high image quality ...
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Overview
Capture Stunning Wide-Angle Shots with Sigma 10-20mm Lens
The Sigma 10-20mm f/4-5.6 EX DC HSM lens is designed exclusively for Canon digital SLR cameras, offering an ultra-wide-angle view perfect for landscape photography and indoor shooting. Its advanced optical design ensures high image quality with minimal distortion and aberration.
- Brand: Sigma
- Model: 201101
- Focal Length: 10-20mm
- Aperture: f/4-5.6
- Lens Construction: 14 elements in 10 groups
- Angle of View: 102.4 to 63.8 degrees
- Diaphragm Blades: 6
- Minimum Aperture: f/22
- Minimum Focusing Distance: 9.4 inches
- Maximum Magnification: 1:6.7
- Filter Size: 77mm
- Dimensions: 3.3 inches diameter, 3.2 inches long
- Weight: 16.4 ounces
- Mount: Canon Digital SLR
Specifications
Model
201101
Focal Length
10-20mm
Maximum Aperture
f/4-5.6
Minimum Aperture
Not specified
Lens Type
Wide-Angle Zoom
Lens Mount
Canon (EX DC HSM)
Autofocus Motor
HSM (Hyper Sonic Motor)
Pros & Cons
👍 Pros
- Offers an ultra-wide 10-20mm focal length, ideal for capturing expansive landscapes and architectural shots
- Designed for Canon DSLR cameras, ensuring compatibility and optimized performance with the specific mount
- Features an f/4-5.6 maximum aperture range, suitable for various lighting conditions in wide-angle photography
- Incorporates the Hyper Sonic Motor (HSM) for fast, quiet, and accurate autofocus performance
- Constructed with EX (Excellence) series quality, indicating a premium build for durability and optical performance
👎 Cons
- The variable maximum aperture of f/4-5.6 means light gathering capability decreases at the longer end of the zoom range
- Designed specifically for Canon APS-C format cameras, it is not suitable for full-frame Canon DSLRs without cropping
- Specific optical elements like SLD glass or aspherical lenses are not detailed in the provided features
- Exact weight and dimensions are not specified, which could be a factor for portability considerations
- Absence of image stabilization may require faster shutter speeds or a tripod in lower light conditions to prevent blur
Frequently Asked Questions
What type of camera is this Sigma lens designed for?
This Sigma 10-20mm f/4-5.6 EX DC HSM lens is specifically designed for Canon DSLR cameras, likely APS-C format.
What focal length does this lens offer?
The lens offers a versatile ultra-wide-angle focal length range of 10-20mm, suitable for capturing broad scenes.
What is the maximum aperture of this lens?
The lens has a variable maximum aperture ranging from f/4 at the 10mm end to f/5.6 at the 20mm end.
Does this lens include an autofocus motor?
Yes, this Sigma lens features an HSM (Hyper Sonic Motor) for efficient and quiet autofocus operation.
Is this lens part of Sigma's professional series?
The "EX" designation in the lens name indicates it is part of Sigma's Excellence line, which typically signifies a higher quality build and optical design.
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