IRIX Blackstone 15mm f/2.4 Blackstone 15mm
IRIX
46 Overall Score
vs
Tamron Di III 28-75mm f/2.8 Di III VXD G2
Tamron
93 Overall Score
Scores
Professional
Budget
Portrait
Video Cinema
Macro
Landscape
Street
Travel
Wildlife Sports
Specifications
| IRIX Blackstone 15mm f/2.4 Blackstone 15mm | Tamron Di III 28-75mm f/2.8 Di III VXD G2 | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 15 mm | 28 mm |
| Focal Length Max | 15 mm | 75 mm |
| Elements | 15 | 17 |
| Groups | 11 | 15 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 2 | 2 |
| Coating | Neutrino coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/22 | f/2.8 |
| Min Aperture | f/2.4 | f/2.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Pentax K | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.69 kg | 0.54 kg★ |
| Filter Thread | 95 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | VXD |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm | 180 mm★ |
| Max Magnification | 1:2 | 1:2.7 |
Pros & Cons
IRIX Blackstone 15mm f/2.4 Blackstone 15mm
- Strong optical (85th percentile)85th %ile
- Strong macro (75th percentile)
- Strong social proof (69th percentile)
- Below average af (13th percentile)13th %ile
- Below average aperture (21st percentile)
- Below average bokeh (24th percentile)
- Below average versatility (33rd percentile)
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
Pricing
IRIX Blackstone 15mm f/2.4 Blackstone 15mm0.106score per dollar
vs
Tamron Di III 28-75mm f/2.8 Di III VXD G20.090score per dollar
IRIX Blackstone 15mm f/2.4 Blackstone 15mm offers 1.2x 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 3 of 21 specs.
