Canon RF28-70mm F2.8 IS STM 28-70mm
Sigma EX DC 30mm f/1.4 EX DC 30mm
What Buyers Say
Canon RF28-70mm F2.8 IS STM 28-70mm
This lens is highly praised for its sharpness, lightweight design, and versatility, making it an excellent mid-range zoom for travel and low-light photography. Users appreciate its compatibility with Canon R-series cameras and its ability to deliver professional-quality images. The only minor drawback mentioned is the limited zoom range, but reviewers agree it is the most compact and light option available.
Pros
- Sharp image quality
- Lightweight and compact design
- Versatile mid-range zoom
- Excellent low-light performance
- Fast and accurate autofocus
Cons
- Limited zoom range
- High price for some users
Sigma EX DC 30mm f/1.4 EX DC 30mm
The Sigma 30mm f/1.4 DC DN Contemporary lens is widely praised for its exceptional sharpness, fast f/1.4 aperture, and beautiful bokeh, making it a favorite for low-light and portrait photography on APS-C cameras. Users consistently highlight its solid build quality and excellent value for money. However, some reviewers report inconsistent autofocus, particularly at longer distances, and occasional chromatic aberration or vignetting wide open. A few copies have exhibited noisy or unreliable AF motors, especially in video mode.
Pros
- Exceptional sharpness
- Fast f/1.4 aperture
- Beautiful bokeh
- Solid build quality
- Excellent value for money
Cons
- Inconsistent autofocus at distance
- Chromatic aberration wide open
- Vignetting wide open
- Noisy AF motor in some copies
- Soft corners at f/1.4
Scores
Specifications
| Canon RF28-70mm F2.8 IS STM 28-70mm | Sigma EX DC 30mm f/1.4 EX DC 30mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 28 mm | 30 mm |
| Focal Length Max | 70 mm | 30 mm |
| Elements | 15 | 7 |
| Groups | 12 | 6 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 2 | 2 |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Canon RF | Sony |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg | 0.27 kg★ |
| Filter Thread | 67 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HSM (Hyper-Sonic Motor) |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm★ | 400 mm |
| Max Magnification | 1:4.2 | 1:7.14 |
Pros & Cons
Canon RF28-70mm F2.8 IS STM 28-70mm
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (90th percentile)90th %ile
- Strong optical (86th percentile)86th %ile
- Below average aperture (21st percentile)
- Below average bokeh (24th percentile)
Sigma EX DC 30mm f/1.4 EX DC 30mm
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong build (87th percentile)87th %ile
- Below average versatility (34th percentile)
Pricing
Sigma EX DC 30mm f/1.4 EX DC 30mm offers 2.7x better value for money
Verdict
Scores 86 overall, wins 7 of 9 usage categories and 6 of 22 specs.
