Sigma
Sigma 4332022170 17-50mm f/2.8 EX DC OS HSM Canon Lens
★★★★★
Capture Stunning Images with a Versatile Zoom Lens The Sigma 17-50mm f/2.8 EX DC OS HSM lens is a large-aperture standard zoom lens designed for Canon digital DSLR cameras. Covering a focal length from 17mm wide angle, it offers a constant f/2.8 aperture throughout the zoom range, making it ideal...
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Overview
Capture Stunning Images with a Versatile Zoom Lens
The Sigma 17-50mm f/2.8 EX DC OS HSM lens is a large-aperture standard zoom lens designed for Canon digital DSLR cameras. Covering a focal length from 17mm wide angle, it offers a constant f/2.8 aperture throughout the zoom range, making it ideal for portraiture and landscapes. The Optical Stabilizer (OS) allows for shooting at shutter speeds approximately 4 stops slower than otherwise possible. Featuring Sigma's FLD glass elements, this lens delivers excellent correction for aberrations, superior peripheral brightness, and sharp, high-contrast images.
Specifications:
- Focal Length: 17-50mm
- Aperture: f/2.8
- Lens Type: Standard Zoom
- Compatibility: Canon Digital DSLR Cameras
- Optical Stabilizer: Yes (OS)
- Focusing: HSM (Hyper Sonic Motor)
- Minimum Focusing Distance: 11 inches
- Magnification Ratio: 1:5
Specifications
Brand
Sigma
Focal Length
17-50mm
Maximum Aperture
f/2.8
Optical Stabilization
OS (Optical Stabilizer)
Autofocus Motor
HSM (Hyper Sonic Motor)
Compatibility
Canon Lens, DC (optimized for APS-C sensors)
Pros & Cons
👍 Pros
- Features a constant f/2.8 maximum aperture throughout its zoom range, ideal for low-light shooting and shallow depth of field.
- Equipped with OS (Optical Stabilizer), which helps in capturing sharper images by compensating for camera shake.
- Utilizes an HSM (Hyper Sonic Motor) for fast, quiet, and accurate autofocus performance.
- Designed as a DC lens, meaning it is optimized for APS-C sized sensors, ensuring high optical quality on compatible Canon DSLRs.
- Offers a versatile 17-50mm zoom range, covering wide-angle to standard-length perspectives suitable for various photography genres.
👎 Cons
- The lens is designed for Canon DSLRs, meaning it is not compatible with mirrorless systems or other camera brands.
- Being a DC lens, it is optimized for APS-C sensors and will not provide full coverage on full-frame Canon DSLRs.
- Specific weight or dimensions are not provided, which could be a factor for photographers concerned about kit size and weight.
- Details on weather sealing or dust resistance are not mentioned, which might be a consideration for outdoor shooting.
- The maximum aperture is fixed at f/2.8, which is bright, but some photographers might prefer even faster primes for extreme low light.
Frequently Asked Questions
What is the maximum aperture of the Sigma 17-50mm f/2.8 EX DC OS HSM lens?
This lens features a constant maximum aperture of f/2.8 throughout its entire zoom range, which is beneficial for low-light conditions and depth of field control.
Does this Sigma lens include image stabilization?
Yes, it is equipped with OS (Optical Stabilizer) technology, designed to reduce camera shake and help achieve sharper images.
What type of autofocus motor does this lens use?
The lens utilizes an HSM (Hyper Sonic Motor), which provides fast, quiet, and precise autofocus performance.
Is this lens compatible with full-frame Canon cameras?
No, this is a DC series lens, meaning it is optimized for Canon DSLR cameras with APS-C sized sensors and will not provide full coverage on full-frame cameras.
What kind of photography is the 17-50mm focal range suitable for?
The versatile 17-50mm zoom range is well-suited for a variety of photography genres, including landscapes, portraits, and general everyday shooting.
How does the constant f/2.8 aperture benefit photographers?
A constant f/2.8 aperture allows for consistent exposure settings across the zoom range and helps in creating attractive background blur.
Does the lens focus quickly for moving subjects?
The HSM (Hyper Sonic Motor) is designed for quick and accurate autofocus, which can be advantageous when tracking moving subjects.
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