Pentax DA 21987 35mm
Pentax
41 Overall Score
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
Tamron
97 Overall Score
Scores
Video Cinema
Budget
Macro
Professional
Travel
Portrait
Landscape
Street
Wildlife Sports
Specifications
| Pentax DA 21987 35mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 35 mm | 17 mm |
| Focal Length Max | 35 mm | 70 mm |
| Elements | 6 | 16 |
| Groups | 5 | 12 |
| Aspherical Elements | 1 | 3★ |
| ED Elements | — | 2★ |
| Coating | PENTAX Super Protect (SP) coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/22 | f/2.8 |
| Min Aperture | f/2.4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 6 | 9★ |
| Build | ||
| Mount | Pentax K | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.12 kg★ | 0.54 kg |
| Filter Thread | 49 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | RXD |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 300 mm | 190 mm★ |
| Max Magnification | 0.17x | 1:4.8★ |
Pros & Cons
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)
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
- Strong optical (91st percentile)91st %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong macro (86th percentile)86th %ile
Pricing
Pentax DA 21987 35mm0.245score per dollar
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm0.121score per dollar
Pentax DA 21987 35mm offers 2.0x better value for money
Verdict
Winner: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
Scores 97 overall, wins 9 of 9 usage categories and 7 of 21 specs.
