Sigma Contemporary 28-70mm f/2.8 DG DN

Sigma Contemporary 28-70mm f/2.8 DG DN

Sigma
63 Overall Score
vs
Pentax DA 21987 35mm

Pentax DA 21987 35mm

Pentax
41 Overall Score

Scores

Macro
Sigma
75
Pentax
36
Professional
Sigma
68
Pentax
39
Landscape
Sigma
68
Pentax
40
Travel
Sigma
64
Pentax
45
Budget
Sigma
63
Pentax
47
Wildlife Sports
Sigma
61
Pentax
36
Street
Sigma
60
Pentax
47
Video Cinema
Sigma
58
Pentax
40
Portrait
Sigma
43
Pentax
27

Specifications

Sigma Contemporary 28-70mm f/2.8 DG DNPentax DA 21987 35mm
Optics
Typezoomprime
Focal Length Min28 mm35 mm
Focal Length Max70 mm35 mm
Elements166
Groups125
Aspherical Elements3★1
ED Elements4★—
CoatingSuper Multi-Layer & Nano Porous CoatingsPENTAX Super Protect (SP) coating
Aperture
Max Aperturef/22f/22
Min Aperturef/2.8f/2.4
Constant✓✓
Diaphragm Blades9★6
Build
MountSony EPentax K
Formatfull-frame★APS-C
Weather Sealed✓★✗
Weight0.47 kg0.12 kg★
Filter Thread67 mm49 mm
AF & Stabilization
AF TypeStepping Motor★Autofocus
Stabilization✗✗
Focus
Min Focus Distance190 mm★300 mm
Max Magnification1:3.3★0.17x

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)

Pentax DA 21987 35mm

  • Strong build (94th percentile)94th %ile
  • Strong social proof (81st percentile)81st %ile
  • Below average bokeh (6th percentile)6th %ile
  • Below average aperture (20th percentile)20th %ile
  • Below average user sentiment (30th percentile)
  • Below average versatility (34th percentile)

Pricing

Pentax DA 21987 35mm is ¥69,236 cheaper (5.0x less).

Sigma Contemporary 28-70mm f/2.8 DG DN0.001score per dollar
vs
Pentax DA 21987 35mm0.002score per dollar

Pentax DA 21987 35mm offers 2.0x better value for money

Sigma Contemporary 28-70mm f/2.8 DG DN

Amazon.co.jp
¥86,691

Pentax DA 21987 35mm

Amazon.co.jp
¥17,455

Verdict

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

Scores 63 overall, wins 9 of 9 usage categories and 8 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: Pentax DA 21987 35mm