Sigma EX DC (OS) HSM 17-50mm f/2.8 Standard Zoom Lens for Canon - Black

Sigma

Product #:: SGL583101

Manufacturer #:: 583101

UPC:: 085126583545

Sigma EX DC (OS) HSM 17-50mm f/2.8 Standard Zoom Lens for Canon - Black

Rated 4.7 out of 5 stars.

- For Canon DSLRs with APS-C Size Sensors
- 4 Stops of Anti-Shake (OS) Compensation
- Aperture of f/2.8 throughout Zoom Range
- Accepts 77mm Filters
- Ultra Compact (Only 3.6", 91.8mm Long)
- Multi-Layered Lens Coating
- Excellent Correction for Aberrations
- Hyper-Sonic Motor for Quiet/Fast AF
- Close Focusing Distance of 11" (28cm)
- Weighs Only 19.9 oz (565 g)

Lens Filter Size:: 77mm

Lens Filter Size:: The size of the filter that fits the lens.

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Lens Type:: Zoom Lenses

Lens Type:: This is the type of lens.

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Includes FREE: Yashica 77mm Multi-coated UV Filter

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Overview

The Sigma 17-50mm f/2.8 EX DC OS HSM Zoom Lens is an incredibly versatile, lightweight, and compact lens designed specifically for digital SLR cameras with APS-C size sensors. The lens has a fast f/2.8 maximum aperture throughout the entire zoom range. It features a construction of 17 elements in 13 groups with glass that corrects for flare, ghosting and all types of aberrations. It produces high contrast and sharp images throughout the zoom range even at its maximum aperture.

Sigma's OS (Optical Stabilization) feature allows you to shoot at shutter speeds approximately 4 stops slower than would otherwise be possible. This means your images will look sharper, even when shooting without a tripod in low existing light or at maximum range with a flash. This lens is also equipped with Sigma's Hyper-Sonic Motor (HSM) which provides for fast and quiet autofocusing.

The Sigma 17-50mm f/2.8 is ideal for many photo opportunities particularly landscapes and portraits, but with its wide focal range and a close focusing distance down to 11" (28cm) you can capture images with unique perspectives. It will quickly become one of the most important lenses in your gear bag.

Product Reviews

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Perfect 7d standard zoom

Reviewed on Saturday, August 21, 2010

By: Anonymous

Rated 4.7 out of 5 stars.

Outstanding IQ ( image quality ) surpases canon 15-85 which is slightly higher in price. Also F2.8 all the way through. Fastest Auto Focus. Decent build quality. looks great, beautiful night shots. This is the lens for people that love to crop their pictures. I do. Brought my 7D to life after weeks of disapointment with 28-135 kit lens. this lens has two glass that match florite lens glass. Just test your before you by, I did here at Unique and love my new lens plus 7d now. my pics compare to 5D clearity because of this lens.

Specifications

Brand
Sigma - Sigma

Physical Specifications
Length:	3.6 in.
Length: The measurement of something from end to end. View All Attribute Definitions
Weight:	1.24 lb (565 g)
Weight: The physical weight of the item without packaging. View All Attribute Definitions
Color:	Black
Color: The color of the item. View All Attribute Definitions
Maximum Diameter:	3.3 in.
Maximum Diameter: The maximum diameter. View All Attribute Definitions

Brand
Brand:	Sigma

Lens Specs
Lens Min. Focus Distance:	28 cm / 11 in
Lens Min. Focus Distance: The shortest distance that a lens can focus. View All Attribute Definitions
Lens Filter Size:	77mm
Lens Filter Size: The size of the filter that fits the lens. View All Attribute Definitions
Minimum Aperture:	f22
Minimum Aperture: How wide a lens can be opened. View All Attribute Definitions
Lens Magnification Factor:	.20x
Lens Magnification Factor: This is the magnifying factor of a lens. Macro lenses will often be described by their “magnification factor”. A lens with a 1:1 magnification factor produces a projected image on the sensor which is the same as the subject. View All Attribute Definitions
Elements / Groups:	17 Elements in 13 Groups
Elements / Groups: The individual pieces of glass that form the overall optical construction. Most lenses have between four and eleven elements to bend the light rays to ensure a perfectly formed image appears on the light sensitive surface, such as a film or CCD. The elements are arranged in groups and may be seen in specification sheets as, for example, 6 elements in 4 groups. That configuration may have two single elements and the other four grouped in pairs. View All Attribute Definitions
Lens f Stop Range:
Lens f Stop Range: This is the minimum and maximum aperture of a lens. View All Attribute Definitions
Lens Type:	Zoom Lenses
Lens Type: This is the type of lens. View All Attribute Definitions
Focus Drive:
Focus Drive: The internal autofocus drive of a lens. View All Attribute Definitions
Angle of View (diagonal):	72.4-27.9
Angle of View (diagonal): Area of a scene that a lens covers or sees. Determined by the focal length of the lens View All Attribute Definitions
Maximum Aperture:	3.0 in.
Maximum Aperture: How wide a lens can be opened. View All Attribute Definitions
Focus Type:	Auto / Manual
Focus Type: The type of focus of the lens from full manual control to auto focus. View All Attribute Definitions
Mount Type:	Canon
Mount Type: This is the mount type for the lens to attach to the camera body. View All Attribute Definitions