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Sigma 70mm f/2.8 DG Macro Art Lens

Sigma 70mm f/2.8 DG Macro Art Lens

Code: 00ZSG70F28DGMCR    Brand: Sigma   
  • Aperture Range: f/2.8 to f/22
  • Two FLD Elements, Two SLD Elements
  • Low Dispersion and Aspherical Elements
  • Super Multi-Layer Coating
  • 1:1 Magnification, 10.2" Min. Focus
  • Coreless DC AF Motor, Manual Override
  • Weather-Sealed, Brass Bayonet Mount
  • Rounded 9-Blade Diaphragm
  • Compatible with Sigma USB Dock
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Designed to minimize flare and ghosting

From an early stage in the lens design process, flare and ghosting have been measured to establish an optical design resistant to strong incident light sources such as backlighting. SIGMA’s Super Multi-Layer Coating reduces flare and ghosting to help photographers produce sharp and high contrast images even in backlit conditions. The included lens hood can be attached to block out extraneous light, which can have a negative effect on rendering performance.

00ZSG70F28DGMCR.feature.1.jpg
00ZSG70F28DGMCR.feature.2.gif Diffraction MTF
Geometrical MTF 00ZSG70F28DGMCR.feature.3.gif
00ZSG70F28DGMCR.feature.4.gif

Exclusive low-dispersion glass

The degree to which light is refracted by glass depends on the light's wavelength. This fact causes different colors of light to focus at slightly different points. The result is chromatic aberration, the color fringing that is particularly noticeable in telephoto lenses. Most chromatic aberration can be removed by combining a high-refractivity convex lens element with a low-refractivity concave element. Yet residual chromatic aberration known as “secondary spectrum” may still remain. To minimize this secondary spectrum, which can be a serious issue with conventional lenses, SIGMA lenses feature up to three types of exclusive low-dispersion glass offering superior performance: ELD (Extraordinary Low Dispersion), SLD (Special Low Dispersion) and FLD (“F” Low Dispersion). In particular, FLD glass offers ultra-low dispersion in combination with high transmittance and the anomalous dispersion characteristics of fluorite. Meticulous deployment of these types of exclusive low-dispersion glass and optimization of power distribution gives SIGMA lenses superlative image rendition undiminished by residual chromatic aberration.

Rounded diaphragm

The 9-blade rounded diaphragm creates an attractive blur in the out-of-focus areas of the image.

00ZSG70F28DGMCR.feature.5.jpg
 00ZSG70F28DGMCR.feature.6.jpg

High-precision, rugged brass bayonet mount

The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens.

 

The long-awaited first macro lens in the Art line

The successor of the legendary, razor-sharp macro lens—
the SIGMA MACRO 70mm F2.8 EX DG

In recent years, macro lenses in the standard range have tended to employ inner focusing with the goal of maximizing autofocus speed. In contrast, the new SIGMA 70mm F2.8 DG MACRO | Art lens is designed to prioritize optical performance, fulfilling the demanding image quality requirements that define the Art line. In the standard to mid-telephoto range, it delivers stunning resolution and incredible clarity that greatly exceed expectations for a macro lens. The coreless DC motor further enhances image quality, while an optimized algorithm helps offer extremely smooth autofocus performance for a weightier, high-performance lens. Photography enthusiasts will recall a certain legendary, razor-sharp macro lens—the SIGMA MACRO 70mm F2.8 EX DG—and be glad to learn it is available in a new form, updated with outstanding Art line quality.

00ZSG70F28DGMCR.overview.2.jpg

Design prioritizing optical performance

Top-level performance at every shooting distance

 In order to realize top-level performance at every shooting distance, the lens features an extending, floating, two-group focus mechanism. This configuration minimizes aberration to produce optimal results at any focus distance. To minimize axial chromatic aberration, the optical system incorporates two FLD glass elements, two SLD glass elements, and one element with a high rate of anomalous partial dispersion and a high index of refraction. In addition, two aspherical lens elements help increase resolution at close shooting distances. This optical system makes possible a razor-sharp in-focus area contrasted with a bokeh area free of color streaking.

00ZSG70F28DGMCR.overview.3.jpg

Focus-by-wire system for comfortable
and precise focusing

The focus-by-wire system eliminates the direct mechanical connection between the focus ring and the focus drive system. Controlled by SIGMA’s latest algorithm, a newly developed coreless DC motor adjusts focus with optimal speed and low noise. Full-time manual focus is available even during autofocus, allowing the photographer to make minute focus adjustments simply by turning the focus ring. In addition, the focus ring’s large angle of rotation helps the photographer achieve the extremely precise focusing required for effective macro photography.

Fast AF with full-time manual focus

Full-time manual focus function allows the lens to be switched to manual focus simply by rotating the focus ring.

Note: The operation of full-time MF may vary based on mount type.

Mount with dust- and splash-proof construction

The lens mount incorporates rubber sealing※ to protect the mount from dust and water drops.

Focal Length 70mm
Aperture Maximum: f/2.8
Minimum: f/22
Camera Mount Type Canon EF
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Angle of View 34.3°
Minimum Focus Distance 25.8 cm
Magnification 1.0x
Maximum Reproduction Ratio 1:1
Optical Design 13 Elements in 10 Groups
Diaphragm Blades 9, Rounded
Autofocus Yes
Filter Thread Front: 49 mm
Dimensions (DxL) 70.8 x 105.8 mm
Weight 515 g

 

  • Sigma 70mm f/2.8 DG Macro Art Lens
  • LCF-49 III 49mm Lens Cap
  • Rear Cap LCR II
  • LH708-01 Lens Hood
  • Case
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OVERVIEW

The long-awaited first macro lens in the Art line

The successor of the legendary, razor-sharp macro lens—
the SIGMA MACRO 70mm F2.8 EX DG

In recent years, macro lenses in the standard range have tended to employ inner focusing with the goal of maximizing autofocus speed. In contrast, the new SIGMA 70mm F2.8 DG MACRO | Art lens is designed to prioritize optical performance, fulfilling the demanding image quality requirements that define the Art line. In the standard to mid-telephoto range, it delivers stunning resolution and incredible clarity that greatly exceed expectations for a macro lens. The coreless DC motor further enhances image quality, while an optimized algorithm helps offer extremely smooth autofocus performance for a weightier, high-performance lens. Photography enthusiasts will recall a certain legendary, razor-sharp macro lens—the SIGMA MACRO 70mm F2.8 EX DG—and be glad to learn it is available in a new form, updated with outstanding Art line quality.

00ZSG70F28DGMCR.overview.2.jpg

Design prioritizing optical performance

Top-level performance at every shooting distance

 In order to realize top-level performance at every shooting distance, the lens features an extending, floating, two-group focus mechanism. This configuration minimizes aberration to produce optimal results at any focus distance. To minimize axial chromatic aberration, the optical system incorporates two FLD glass elements, two SLD glass elements, and one element with a high rate of anomalous partial dispersion and a high index of refraction. In addition, two aspherical lens elements help increase resolution at close shooting distances. This optical system makes possible a razor-sharp in-focus area contrasted with a bokeh area free of color streaking.

00ZSG70F28DGMCR.overview.3.jpg

Focus-by-wire system for comfortable
and precise focusing

The focus-by-wire system eliminates the direct mechanical connection between the focus ring and the focus drive system. Controlled by SIGMA’s latest algorithm, a newly developed coreless DC motor adjusts focus with optimal speed and low noise. Full-time manual focus is available even during autofocus, allowing the photographer to make minute focus adjustments simply by turning the focus ring. In addition, the focus ring’s large angle of rotation helps the photographer achieve the extremely precise focusing required for effective macro photography.

Fast AF with full-time manual focus

Full-time manual focus function allows the lens to be switched to manual focus simply by rotating the focus ring.

Note: The operation of full-time MF may vary based on mount type.

Mount with dust- and splash-proof construction

The lens mount incorporates rubber sealing※ to protect the mount from dust and water drops.

FEATURES

Designed to minimize flare and ghosting

From an early stage in the lens design process, flare and ghosting have been measured to establish an optical design resistant to strong incident light sources such as backlighting. SIGMA’s Super Multi-Layer Coating reduces flare and ghosting to help photographers produce sharp and high contrast images even in backlit conditions. The included lens hood can be attached to block out extraneous light, which can have a negative effect on rendering performance.

00ZSG70F28DGMCR.feature.1.jpg
00ZSG70F28DGMCR.feature.2.gif Diffraction MTF
Geometrical MTF 00ZSG70F28DGMCR.feature.3.gif
00ZSG70F28DGMCR.feature.4.gif

Exclusive low-dispersion glass

The degree to which light is refracted by glass depends on the light's wavelength. This fact causes different colors of light to focus at slightly different points. The result is chromatic aberration, the color fringing that is particularly noticeable in telephoto lenses. Most chromatic aberration can be removed by combining a high-refractivity convex lens element with a low-refractivity concave element. Yet residual chromatic aberration known as “secondary spectrum” may still remain. To minimize this secondary spectrum, which can be a serious issue with conventional lenses, SIGMA lenses feature up to three types of exclusive low-dispersion glass offering superior performance: ELD (Extraordinary Low Dispersion), SLD (Special Low Dispersion) and FLD (“F” Low Dispersion). In particular, FLD glass offers ultra-low dispersion in combination with high transmittance and the anomalous dispersion characteristics of fluorite. Meticulous deployment of these types of exclusive low-dispersion glass and optimization of power distribution gives SIGMA lenses superlative image rendition undiminished by residual chromatic aberration.

Rounded diaphragm

The 9-blade rounded diaphragm creates an attractive blur in the out-of-focus areas of the image.

00ZSG70F28DGMCR.feature.5.jpg
 00ZSG70F28DGMCR.feature.6.jpg

High-precision, rugged brass bayonet mount

The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens.

 

SPECIFICATIONS

Focal Length 70mm
Aperture Maximum: f/2.8
Minimum: f/22
Camera Mount Type Canon EF
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Angle of View 34.3°
Minimum Focus Distance 25.8 cm
Magnification 1.0x
Maximum Reproduction Ratio 1:1
Optical Design 13 Elements in 10 Groups
Diaphragm Blades 9, Rounded
Autofocus Yes
Filter Thread Front: 49 mm
Dimensions (DxL) 70.8 x 105.8 mm
Weight 515 g

 

IN THE BOX

  • Sigma 70mm f/2.8 DG Macro Art Lens
  • LCF-49 III 49mm Lens Cap
  • Rear Cap LCR II
  • LH708-01 Lens Hood
  • Case