Rokinon RK8518 85mm F1.8 85mm
Rokinon
82 Overall Score
vs
Sigma Art 17-40mm f/1.8 DC 40mm
Sigma
97 Overall Score
What Buyers Say
Rokinon RK8518 85mm F1.8 85mm
No customer feedback yet
Sigma Art 17-40mm f/1.8 DC 40mm
95 out of 100 high confidence 36 reviews
The Sigma 17-40mm f/1.8 DC DN Art lens is overwhelmingly praised for its exceptional image quality, fast constant aperture, and compact internal zoom design. Users highlight its sharpness, lightweight build, and excellent autofocus performance, especially on crop-sensor mirrorless cameras like the Canon R7 and Fujifilm bodies. A few questions about compatibility with specific cameras and features like weather sealing and aperture ring are noted, but the overall sentiment is extremely positive.
Pros
- Exceptional image quality
- Fast constant f/1.8 aperture
- Compact internal zoom design
- Lightweight build
- Sharp and bright photos
Cons
- No weather sealing mentioned
- No manual aperture ring on some mounts
- Compatibility questions with full-frame cameras
- Expensive for some buyers
Image quality 8
Aperture 7
Build quality 6
Autofocus 4
Value for money 4
Compatibility 12
Scores
Video Cinema
Portrait
Budget
Street
Professional
Macro
Landscape
Travel
Wildlife Sports
Specifications
| Rokinon RK8518 85mm F1.8 85mm | Sigma Art 17-40mm f/1.8 DC 40mm | |
|---|---|---|
| Optics | ||
| Type | telephoto | zoom |
| Focal Length Min | 85 mm | 17 mm |
| Focal Length Max | 85 mm | 40 mm |
| Elements | 9 | 17 |
| Groups | 8 | 11 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 1 | 4★ |
| Coating | UMC | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/1.8 |
| Min Aperture | f/1.8 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 11★ |
| Build | ||
| Mount | Fujifilm X | Fujifilm X |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.27 kg★ | 0.54 kg |
| Filter Thread | 62 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Linear Stepping Motor★ | HLA (High-response Linear Actuator) |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 128 mm★ | 280 mm |
| Max Magnification | 1:8.33 | 1:4.8 |
Pros & Cons
Rokinon RK8518 85mm F1.8 85mm
- Strong bokeh (94th percentile)94th %ile
- Strong aperture (94th percentile)94th %ile
- Strong macro (89th percentile)89th %ile
- Strong build (86th percentile)86th %ile
- Below average social proof (15th percentile)15th %ile
- Below average versatility (34th percentile)
Sigma Art 17-40mm f/1.8 DC 40mm
- Strong user sentiment (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong bokeh (96th percentile)96th %ile
- Strong social proof (94th percentile)94th %ile
- Below average stabilization (35th percentile)
Pricing
Rokinon RK8518 85mm F1.8 85mm0.024score per dollar
vs
Sigma Art 17-40mm f/1.8 DC 40mm0.013score per dollar
Rokinon RK8518 85mm F1.8 85mm offers 1.8x better value for money
Verdict
Winner: Sigma Art 17-40mm f/1.8 DC 40mm
Scores 97 overall, wins 4 of 9 usage categories and 3 of 21 specs.
