Canon RF 28-70mm f/2.8 IS STM
Canon
89 Overall Score
vs
Sirui IronStar Series 75 75mm
Sirui
40 Overall Score
Scores
Macro
Landscape
Video Cinema
Professional
Travel
Budget
Wildlife Sports
Street
Portrait
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sirui IronStar Series 75 75mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 28 mm | 75 mm |
| Focal Length Max | 70 mm | 135 mm |
| Elements | 15 | 19 |
| Groups | 12 | 16 |
| Aspherical Elements | 2★ | — |
| ED Elements | 2★ | — |
| Coating | Super Spectra Coating (SSC) | — |
| Aperture | ||
| Max Aperture | f/22 | T16 |
| Min Aperture | f/2.8 | T1.9 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9 | 18★ |
| Build | ||
| Mount | Canon RF | Interchangeable Mount with Included ARRI PL/Canon EF |
| Format | full-frame | full-frame |
| Weather Sealed | ✓★ | — |
| Weight | 0.49 kg★ | 1.15 kg |
| Filter Thread | 67 mm | 92 mm |
| AF & Stabilization | ||
| AF Type | STM★ | — |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm★ | 800 mm |
| Max Magnification | 1:4.2★ | — |
Pros & Cons
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (89th percentile)89th %ile
- Strong af (87th percentile)87th %ile
- Below average aperture (21st percentile)
- Below average bokeh (24th percentile)
Sirui IronStar Series 75 75mm
- Strong optical (78th percentile)
- Strong versatility (68th percentile)
- Below average build (17th percentile)17th %ile
Verdict
Winner: Canon RF 28-70mm f/2.8 IS STM
Scores 89 overall, wins 9 of 9 usage categories and 10 of 22 specs.