Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 Overall Score
vs
Canon RF-S7.8mm F4 STM Dual 7mm
Canon
53 Overall Score
Scores
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Canon RF-S7.8mm F4 STM Dual 7mm | |
|---|---|---|
| Optics | ||
| Type | zoom | fisheye |
| Focal Length Min | 18 mm | 8 mm |
| Focal Length Max | 50 mm | 8 mm |
| Elements | 13 | 9 |
| Groups | 10 | 7 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Super Spectra Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Canon RF |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.29 kg | 0.13 kg★ |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 150 mm |
| Max Magnification | 1:2.8 | 1:14 |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
Canon RF-S7.8mm F4 STM Dual 7mm
- Strong build (94th percentile)94th %ile
- Strong macro (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Below average social proof (8th percentile)8th %ile
- Below average bokeh (28th percentile)
- Below average versatility (34th percentile)
Pricing
Sigma Contemporary 18-50mm f/2.8 DC DN0.131score per dollar
vs
Canon RF-S7.8mm F4 STM Dual 7mm0.097score per dollar
Sigma Contemporary 18-50mm f/2.8 DC DN offers 1.4x better value for money
Verdict
Winner: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 3 of 21 specs.
