Tamron Di III 28-75mm f/2.8 Di III VXD G2
Tamron
93 Overall Score
vs
Pentax DA* 300mm f/4 ED (IF) SDM 300mm
Pentax
37 Overall Score
Scores
Professional
Budget
Portrait
Video Cinema
Macro
Landscape
Street
Travel
Wildlife Sports
Specifications
| Tamron Di III 28-75mm f/2.8 Di III VXD G2 | Pentax DA* 300mm f/4 ED (IF) SDM 300mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 28 mm | 300 mm |
| Focal Length Max | 75 mm | 300 mm |
| Elements | 17 | 8 |
| Groups | 15 | 6 |
| Aspherical Elements | 1★ | — |
| ED Elements | 2★ | — |
| Coating | Fluorine Coating | Pentax SP |
| Aperture | ||
| Max Aperture | f/2.8 | f/32 |
| Min Aperture | f/2.8 | f/4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Pentax K |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 1.07 kg |
| Filter Thread | 67 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | VXD | SDM |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 180 mm★ | 1.40 m |
| Max Magnification | 1:2.7 | 1:4.2 |
Pros & Cons
Tamron Di III 28-75mm f/2.8 Di III VXD G2
- Strong optical (89th percentile)89th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong macro (87th percentile)87th %ile
- Strong social proof (85th percentile)85th %ile
Pentax DA* 300mm f/4 ED (IF) SDM 300mm
- Strong social proof (94th percentile)94th %ile
- Below average aperture (5th percentile)5th %ile
- Below average bokeh (8th percentile)8th %ile
- Below average versatility (33rd percentile)
Pricing
Tamron Di III 28-75mm f/2.8 Di III VXD G20.337score per dollar
vs
Pentax DA* 300mm f/4 ED (IF) SDM 300mm0.039score per dollar
Tamron Di III 28-75mm f/2.8 Di III VXD G2 offers 8.6x better value for money
Verdict
Winner: Tamron Di III 28-75mm f/2.8 Di III VXD G2
Scores 93 overall, wins 9 of 9 usage categories and 5 of 21 specs.
