Sony E 18-135mm f/3.5-5.6 OSS
Sony
90 Overall Score
vs
Sirui Astra Series AST-50-ZN 50mm
Sirui
41 Overall Score
Scores
Budget
Street
Travel
Wildlife Sports
Portrait
Video Cinema
Professional
Landscape
Macro
Specifications
| Sony E 18-135mm f/3.5-5.6 OSS | Sirui Astra Series AST-50-ZN 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 135 mm | 50 mm |
| Elements | 16 | 18 |
| Groups | 12 | 14 |
| Aspherical Elements | 1★ | — |
| ED Elements | 2★ | — |
| Aperture | ||
| Max Aperture | f/3.5 | f/22 |
| Min Aperture | 3.5-5.6 | f/1.8 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | — | ✓★ |
| Weight | 0.33 kg★ | 0.64 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Linear motor★ | Selectable Manual and Autofocus |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 450 mm★ | 500 mm |
| Max Magnification | 0.29x | 1:7.2★ |
Pros & Cons
Sony E 18-135mm f/3.5-5.6 OSS
- Strong af (98th percentile)98th %ile
- Strong versatility (96th percentile)96th %ile
- Strong social proof (90th percentile)90th %ile
- Strong stabilization (82nd percentile)82nd %ile
Sirui Astra Series AST-50-ZN 50mm
- Strong social proof (77th percentile)
- Strong optical (74th percentile)
- Below average af (13th percentile)13th %ile
- Below average aperture (20th percentile)20th %ile
- Below average bokeh (33rd percentile)
- Below average versatility (34th percentile)
Pricing
Sony E 18-135mm f/3.5-5.6 OSS0.112score per dollar
vs
Sirui Astra Series AST-50-ZN 50mm0.048score per dollar
Sony E 18-135mm f/3.5-5.6 OSS offers 2.3x better value for money
Verdict
Winner: Sony E 18-135mm f/3.5-5.6 OSS
Scores 90 overall, wins 9 of 9 usage categories and 6 of 20 specs.
