Viltrox Air AF 9mm f/2.8 9mm
Viltrox
84 Overall Score
vs
Pentax DA 21987 35mm
Pentax
41 Overall Score
Scores
Macro
Street
Video Cinema
Professional
Budget
Portrait
Landscape
Travel
Wildlife Sports
Specifications
| Viltrox Air AF 9mm f/2.8 9mm | Pentax DA 21987 35mm | |
|---|---|---|
| Optics | ||
| Type | wide-angle | prime |
| Focal Length Min | 9 mm | 35 mm |
| Focal Length Max | 9 mm | 35 mm |
| Elements | 13 | 6 |
| Groups | 11 | 5 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 3★ | — |
| Coating | HD multi-layer nano-coating | PENTAX Super Protect (SP) coating |
| Aperture | ||
| Max Aperture | f/9 | f/22 |
| Min Aperture | f/2.8 | f/2.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | — | 6★ |
| Build | ||
| Mount | Fujifilm X | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | — | ✗ |
| Weight | 0.13 kg | 0.12 kg★ |
| Filter Thread | 49 mm | 49 mm |
| AF & Stabilization | ||
| AF Type | STM★ | Autofocus |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 130 mm★ | 300 mm |
| Max Magnification | — | 0.17x★ |
Pros & Cons
Viltrox Air AF 9mm f/2.8 9mm
- Strong build (94th percentile)94th %ile
- Strong macro (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Below average versatility (34th percentile)
Pentax DA 21987 35mm
- Strong build (95th percentile)95th %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
Viltrox Air AF 9mm f/2.8 9mm0.365score per dollar
vs
Pentax DA 21987 35mm0.245score per dollar
Viltrox Air AF 9mm f/2.8 9mm offers 1.5x better value for money
Verdict
Winner: Viltrox Air AF 9mm f/2.8 9mm
Scores 84 overall, wins 9 of 9 usage categories and 5 of 21 specs.
