Sigma 70mm f/2.8 DG Macro Art Lens for Canon EF

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Sigma 70mm f/2.8 DG Macro Art Lens
For Canon EF-mount cameras
Telephoto lens
13 elements in 10 groups
Coreless DC motor
Super Multi-Layer Coating
Rounded 9-blade diaphragm
Sigma USB Dock compatibility
TSC material construction
Color: Black

Color:: Black

Color:: The color of the item.

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Lens Filter Size:: Front: 49 mm

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

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Maximum Aperture:: f/2.8

Maximum Aperture:: How wide a lens can be opened.

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Mount Type:: Canon EF

Mount Type:: This is the mount type for the lens to attach to the camera body.

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overview

The Sigma 70mm f/2.8 DG Macro Art Lens captures sharp close-up shots of subjects as close as 25.8 cm. It works with Canon EF-mount cameras. The lens construction includes 13 elements in 10 groups, including two FLD and two SLD elements and a single high refractive index element to reduce chromatic aberrations and color fringing. Also, two aspherical elements are present to correct spherical distortions. The Super Multi-Layer Coating brings down lens flare and ghosting. With the coreless DC motor, the autofocus operation runs accurately and quietly. You may also override the focus settings in the auto mode. The large angle of rotation and focus-by-wire system contribute to the focusing work. With the 9-blade diaphragm, you obtain a purely circular bokeh in the blurred background. The Thermally Stable Composite material construction makes it possible to use the lens at extreme temperatures. You may attach the lens to the optional TC-1401 and TC-2001 teleconverters to extend the focal length. The Sigma USB Dock compatibility lets you make changes in the focus parameters and update the firmware.

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Specifications

Brand
Sigma - Sigma

Physical Specifications
Color:	Black
Color: The color of the item. View All Attribute Definitions

Brand
Brand:	Sigma

Camera Attributes
Autofocus:	Yes
Autofocus: All digital cameras come equipped with an Autofocus, or AF Mode. While in Autofocus the camera automatically focuses on subjects based on the AF Area Mode the user has selected. View All Attribute Definitions

Lens
Focal Length:	70mm
Focal Length: The distance between the film and the optical center of the lens when the lens is focused on infinity. View All Attribute Definitions

Lens Specification
Lens Min. Focus Distance:	10.16" (25.8 cm)
Lens Min. Focus Distance: The shortest distance that a lens can focus. View All Attribute Definitions
Lens Filter Size:	Front: 49 mm
Lens Filter Size: The size of the filter that fits the lens. View All Attribute Definitions
Dimensions:	Approx. 2.79 x 4.17" (70.8 x 105.8 mm)
Dimensions: Dimensions View All Attribute Definitions
Minimum Aperture:	f/22
Minimum Aperture: How wide a lens can be opened. View All Attribute Definitions
Elements / Groups:	13 / 10
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
Weight:	1.13 lb (515 g)
Weight: Weight View All Attribute Definitions
Angle of View (diagonal):	34.3°
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:	f/2.8
Maximum Aperture: How wide a lens can be opened. View All Attribute Definitions
Mount Type:	Canon EF
Mount Type: This is the mount type for the lens to attach to the camera body. View All Attribute Definitions