Sigma Art 17-40mm f/1.8 DC
Sigma
91 Overall Score
vs
Pentax DA* 12345 18mm
Pentax
60 Overall Score
Scores
Professional
Portrait
Budget
Video Cinema
Macro
Travel
Street
Landscape
Wildlife Sports
Specifications
| Sigma Art 17-40mm f/1.8 DC | Pentax DA* 12345 18mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 11 mm |
| Focal Length Max | 40 mm | 18 mm |
| Elements | 17 | 16 |
| Groups | 11 | 11 |
| Aspherical Elements | 4★ | 2 |
| ED Elements | 4★ | 2 |
| Coating | Super Multi-Layer Coating | Aero Bright II Coating, Super Protect Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Fujifilm X | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 0.70 kg |
| Filter Thread | 67 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | DC |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 300 mm |
| Max Magnification | 1:4.8 | 1:10 |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong optical (97th percentile)97th %ile
- Strong bokeh (96th percentile)96th %ile
- Strong aperture (94th percentile)94th %ile
- Strong social proof (83rd percentile)83rd %ile
Pentax DA* 12345 18mm
- Strong optical (87th percentile)87th %ile
- Strong user sentiment (80th percentile)80th %ile
- Strong macro (71st percentile)
- Strong versatility (67th percentile)
- Below average aperture (21st percentile)
- Below average bokeh (24th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC0.010score per dollar
vs
Pentax DA* 12345 18mm0.004score per dollar
Sigma Art 17-40mm f/1.8 DC offers 2.5x better value for money
Sigma Art 17-40mm f/1.8 DC
Pentax DA* 12345 18mm
Verdict
Winner: Sigma Art 17-40mm f/1.8 DC
Scores 91 overall, wins 9 of 9 usage categories and 5 of 21 specs.
