Canon RF 28-70mm f/2L USM 70-28mm
Canon
57 Overall Score
vs
Sigma Contemporary 15mm f/1.4 DC 15mm
Sigma
85 Overall Score
What Buyers Say
Canon RF 28-70mm f/2L USM 70-28mm
No customer feedback yet
Sigma Contemporary 15mm f/1.4 DC 15mm
92 out of 100 low confidence 9 reviews
The Sigma 15mm f/1.4 Fisheye DG DN Art Lens receives overwhelmingly positive feedback from verified buyers, who praise its exceptional image quality, fast autofocus, and stellar performance for astrophotography. Users note it is heavy and large, but consider the trade-off worthwhile for the unique fisheye perspective. A few practical concerns include limited bag compatibility and the lack of filter options.
Pros
- Exceptional image quality
- Fast and accurate autofocus
- Excellent for astrophotography
- Unique fisheye perspective
- Great build quality
Cons
- Heavy and bulky
- Limited bag compatibility
- No front filter thread
- Expensive
- Not for everyone
Image quality 4
Autofocus performance 2
Astrophotography suitability 2
Weight and size 3
Value for money 2
Build quality 2
Scores
Street
Portrait
Professional
Video Cinema
Travel
Macro
Landscape
Wildlife Sports
Budget
Specifications
| Canon RF 28-70mm f/2L USM 70-28mm | Sigma Contemporary 15mm f/1.4 DC 15mm | |
|---|---|---|
| Optics | ||
| Type | zoom | fisheye |
| Focal Length Min | 28 mm | 15 mm |
| Focal Length Max | 70 mm | 15 mm |
| Elements | 19 | 13 |
| Groups | 13 | 11 |
| Aspherical Elements | 1 | 3★ |
| ED Elements | 3 | 4★ |
| Coating | fluorine coating | Front Coating |
| Aperture | ||
| Max Aperture | f/22 | f/1.4 |
| Min Aperture | f/2 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 1.43 kg | 0.22 kg★ |
| Filter Thread | 95 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | USM★ | stepping motor |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 390 mm | 385 mm★ |
| Max Magnification | 0.18x | 1:7.9★ |
Pros & Cons
Canon RF 28-70mm f/2L USM 70-28mm
- Strong social proof (97th percentile)97th %ile
- Strong af (93rd percentile)93rd %ile
- Strong optical (93rd percentile)93rd %ile
- Strong versatility (77th percentile)
- Below average build (18th percentile)18th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
- Below average macro (34th percentile)
Sigma Contemporary 15mm f/1.4 DC 15mm
- Strong aperture (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong user sentiment (93rd percentile)93rd %ile
- Strong optical (90th percentile)90th %ile
- Below average social proof (30th percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Canon RF 28-70mm f/2L USM 70-28mm0.023score per dollar
vs
Sigma Contemporary 15mm f/1.4 DC 15mm0.176score per dollar
Sigma Contemporary 15mm f/1.4 DC 15mm offers 7.7x better value for money
Verdict
Winner: Sigma Contemporary 15mm f/1.4 DC 15mm
Scores 85 overall, wins 9 of 9 usage categories and 5 of 21 specs.
