Sigma Contemporary 28-70mm f/2.8 DG DN

Sigma Contemporary 28-70mm f/2.8 DG DN

Sigma
63 Overall Score
vs
Sirui Astra T1.8 1.33x AF Anamorphic 50mm

Sirui Astra T1.8 1.33x AF Anamorphic 50mm

Sirui
36 Overall Score

Scores

Macro
Sigma
76
Sirui
47
Professional
Sigma
68
Sirui
35
Landscape
Sigma
68
Sirui
38
Travel
Sigma
64
Sirui
32
Budget
Sigma
63
Sirui
36
Wildlife Sports
Sigma
61
Sirui
25
Street
Sigma
60
Sirui
30
Video Cinema
Sigma
58
Sirui
36
Portrait
Sigma
43
Sirui
30

Specifications

Sigma Contemporary 28-70mm f/2.8 DG DNSirui Astra T1.8 1.33x AF Anamorphic 50mm
Optics
Typezoomprime
Focal Length Min28 mm50 mm
Focal Length Max70 mm100 mm
Elements1618
Groups1214
Aspherical Elements3★—
ED Elements4★—
CoatingSuper Multi-Layer & Nano Porous Coatings—
Aperture
Max Aperturef/22T22
Min Aperturef/2.8T1.9
Constant✓✓
Diaphragm Blades911★
Build
MountSony ESony E
Formatfull-framefull-frame
Weather Sealed✓★—
Weight0.47 kg★0.62 kg
Filter Thread67 mm67 mm
AF & Stabilization
AF TypeStepping Motor★Selectable Manual and Autofocus
Stabilization✗✗
Focus
Min Focus Distance190 mm★500 mm
Max Magnification1:3.31:7.2

Pros & Cons

Sigma Contemporary 28-70mm f/2.8 DG DN

  • Strong optical (96th percentile)96th %ile
  • Strong af (87th percentile)87th %ile
  • Strong macro (86th percentile)86th %ile
  • Strong versatility (78th percentile)
  • Below average social proof (20th percentile)20th %ile
  • Below average aperture (20th percentile)20th %ile
  • Below average bokeh (23rd percentile)

Sirui Astra T1.8 1.33x AF Anamorphic 50mm

  • Strong optical (74th percentile)
  • Strong versatility (72nd percentile)
  • Below average af (13th percentile)13th %ile
  • Below average aperture (20th percentile)20th %ile
  • Below average bokeh (33rd percentile)

Pricing

Sigma Contemporary 28-70mm f/2.8 DG DN is $1,849 cheaper (3.6x less).

Sigma Contemporary 28-70mm f/2.8 DG DN0.089score per dollar
vs
Sirui Astra T1.8 1.33x AF Anamorphic 50mm0.014score per dollar

Sigma Contemporary 28-70mm f/2.8 DG DN offers 6.4x better value for money

Sigma Contemporary 28-70mm f/2.8 DG DN

Newegg
$700
Best Buy
$776
Amazon
$785
Amazon
$796
Adorama
$889

Sirui Astra T1.8 1.33x AF Anamorphic 50mm

B&H Photo
$2,549

Verdict

★ Winner: Sigma Contemporary 28-70mm f/2.8 DG DN

Scores 63 overall, wins 9 of 9 usage categories and 6 of 21 specs.

Sigma Contemporary 28-70mm f/2.8 DG DN Better at:

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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View Details & Prices: Sigma Contemporary 28-70mm f/2.8 DG DN View Details & Prices: Sirui Astra T1.8 1.33x AF Anamorphic 50mm