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SIGMA 28-70mm F2.8 DG DN | Contemporary Full-Frame Lens (2021)

Neo score 74%Ext score 74%

Product Gallery

Photo 0of SIGMA 28-70mm F2.8 DG DN | Contemporary Full-Frame Lens (2021)

Product Overview

SIGMA 28-70mm F2.8 DG DN | Contemporary lens is a compact large-aperture standard zoom lens for full-frame mirrorless cameras with either Sony E-mount or Leica L-mount.
Based on the optical design of the 24-70mm F2.8 DG DN | Art released in 2019, the 28-70mm F2.8 is significantly smaller and weighs just over half of its bigger brother, the dividends from the reduction of zoom range.
Besides portability, SIGMA has also endowed the new 28-70mm F2.8 DG DN lens with new coating and structural elements to boost its durability as well as performance in adverse lighting conditions. On the flip size, this means that the Contemporary lens is made largely of polycarbonate.

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Ratings

What we found**

Neo score 74% (not directly comparable across industries)
Pros
  • Weather-sealed
  • Lightweight and compact
  • Good image quality
  • Fast autofocus
Cons
  • External zoom without zoom lock
  • Vignetting at 70mm

What external reviewers found***

Ext 74% (not directly comparable across industries)
Pros
  • Good build quality
  • Good image quality at wide angle and f/2.8
  • Very good sharpness across the focal range
  • Very good bokeh
  • Decent autofocus
Cons
  • Bulky and heavy
  • No full weather-sealing
  • No fluorine coating
  • Vignetting and darkening at extreme corners
  • Smaller and lighter than the Tamron
Read More

Price Comparison (incl. referral links)*

Specifications

Construction

Aperture Blades
9 blades
Colors
Black
Form Factor
Standard Zoom Lens
Image Size
Full-Frame
Lens Mount
Leica L-mount, Sony E-mount
Material
Magnesium alloy
Motor
Stepper motor
Optical Formula | Elements
16 elements
Optical Formula | Groups
12 groups
Optical Formula | Special Glass
2 FLD + 2 SLD + 3 aspherical elements, Nano Porous + Super Multi-Layer coating groups

Dimensions

Filter Diameter
67 mm / 2.64 in
Size | Diameter
72 mm / 2.83 in
Size | Length
102 mm / 4.02 in
Weight
470 g / 16.61 oz

Function

Angle Of View
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/2.8 ~ f/22
Autofocus
Yes
Focal Length
28 mm ~ 70 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
Yes
Zoom Type
External zoom

Performance

Max Magnification
0.3x
Min Focus Distance
190 mm / 7.48 in

Production

Accessory
Lens hood included
Debut
2021-02-24
Made In
Japan

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3rd-Party Review Videos

External Reviews

sonyalpha[1]

Sentiment Score 73%
Reviewers from sonyalpha have found the following***:
The Sigma 28-70 F2.8 DG DN Contemporary (849 euros) is an excellent pro zoom for Sony full frame cameras. In most area it is equal to the (1200 euros) for a much more compact size and reduced price that will be ideal on a A7c. Compared to the Tamron 28-75mm F 2.8 Di III RXD and the itself, the Sigma is sharper, has better background blur, better rendering and ergonomics.
Find the original article here.
Pros
  • Very sharp, natural color rendering and soft background blur
  • Compact, light and compact
  • Good build quality
Cons
  • Smaller and lighter than the Tamron

cameralabs[2]

Sentiment Score 74%
Reviewers from cameralabs have found the following***:
The Sigma 28-70mm f2.8 DG DN Contemporary provides the allure of a bright, fixed aperture zoom at a more affordable price and lighter weight than traditional 24-70 2.8 models. The biggest issue though is vignetting, or darkening in the corners, even with shading compensation turned on. If you’re a pixel-peeper with a high res body, it’s definitely worth shooting detailed views at f5.6 or f8 rather than wide-open.
Find the original article here.
Pros
  • Bright, sharp f2.8 wide-open
  • Good build quality
Cons
  • Vignetting and darkening at extreme corners

dpreview[3]

Sentiment Score 73%
Reviewers from dpreview have found the following***:
The Sigma 28-70mm F2.8 turns in a decent performance when it comes to ghosting. Even when shooting into the sun, there was only a little ghosting noticeable in the far opposite corner. Sunstars are relatively pleasing, with 18 rays thanks to the nine aperture blades. We didn't see any major issues with lateral chromatic aberration for this lens.
Find the original article here.
Pros
  • Very good sharpness across the focal range
  • Very good bokeh
  • Decent autofocus
Cons
  • No full weather-sealing
  • Bulky and heavy

pcmag[4]

Sentiment Score 76%
Reviewers from pcmag have found the following***:
The Sigma 28-70mm F2.8 DG DN Contemporary is an especially appealing lens for photographers who carry a full-frame camera. It locks onto subjects as close as 7.5 inches at the wide angle and 15 inches when zoomed in. The lens pairs well with slimmer models like the Panasonic S5 and Sony a7C.
Find the original article here.
Pros
  • Good image quality at wide angle and f/2.8
  • Quick, quiet autofocus
  • Dust and splash protection
Cons
  • Bulky and heavy
  • No fluorine coating

User Reviews

References

1. ^ Sigma 28-70 F2.8 DG DN Contemporary. [sonyalpha]. https://sonyalpha.blog/2021/02/24/sigma-28-70-f2-8-dg-dn-contemporary/. 2021-02-24. Retrieved 2021-06-06.
2. ^ Sigma 28-70mm f2.8 DG DN review. [cameralabs]. https://www.cameralabs.com/sigma-28-70mm-f2-8-dg-dn-review/. Retrieved 2022-01-29.
3. ^ Field review: Sigma 28-70mm F2.8 DG DN. [dpreview]. https://www.dpreview.com/reviews/field-review-sigma-28-70mm-f2-8-dg-dn. 2021-03-29. Retrieved 2022-01-29.
4. ^ Sigma 28-70mm F2.8 DG DN Contemporary Review. [pcmag]. https://www.pcmag.com/reviews/sigma-28-70mm-f28-dg-dn-contemporary. 2021-05-04. Retrieved 2021-05-05.

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