Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 Overall Score
vs
Pentax HD Pentax-D FA Macro D FA Macro 100mm
Pentax
73 Overall Score
Scores
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Pentax HD Pentax-D FA Macro D FA Macro 100mm | |
|---|---|---|
| Optics | ||
| Type | zoom | macro |
| Focal Length Min | 18 mm | 100 mm |
| Focal Length Max | 50 mm | 100 mm |
| Elements | 13 | 10 |
| Groups | 10 | 8 |
| Aspherical Elements | 3★ | 0 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | HD coating, Pentax SP (Super Protect) coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 8★ |
| Build | ||
| Mount | Sony E | Pentax K |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.35 kg |
| Filter Thread | 55 mm | 49 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | FREE (Fixed Rear Element Extension) focusing system |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 130 mm |
| Max Magnification | 1:2.8 | 1:1 |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
Pentax HD Pentax-D FA Macro D FA Macro 100mm
- Strong user sentiment (91st percentile)91st %ile
- Strong macro (91st percentile)91st %ile
- Strong bokeh (86th percentile)86th %ile
- Strong aperture (84th percentile)84th %ile
- Below average social proof (30th percentile)
- Below average versatility (34th percentile)
Pricing
Sigma Contemporary 18-50mm f/2.8 DC DN0.007score per dollar
vs
Pentax HD Pentax-D FA Macro D FA Macro 100mm0.006score per dollar
Sigma Contemporary 18-50mm f/2.8 DC DN offers 1.2x better value for money
Sigma Contemporary 18-50mm f/2.8 DC DN
Pentax HD Pentax-D FA Macro D FA Macro 100mm
Verdict
Winner: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 4 of 21 specs.
