Sony E PZ 16-50mm f/3.5-5.6 OSS
Pentax DA 21790 55mm
What Buyers Say
Sony E PZ 16-50mm f/3.5-5.6 OSS
The Sony DT 16-50mm F2.8 SSM lens is a notable upgrade from the kit 18-55mm, offering a constant fast aperture, silent autofocus, and superior image quality. Users praise its sharpness, bokeh, and build, though they note it is heavier and bulkier. A few refurbished units had minor scratches or early malfunction, but overall the lens is highly recommended for Sony Alpha APS-C cameras.
Pros
- Constant F2.8 aperture
- Fast and silent autofocus
- Excellent image sharpness and contrast
- Pleasing bokeh
- Solid build quality
Cons
- Heavy and bulky
- Some units have early malfunctions
- Not compatible with full-frame cameras
- Moderate flare issue
- Limited zoom range to 50mm
Pentax DA 21790 55mm
The Pentax DA* 55mm f/1.4 SDM lens receives overwhelmingly positive feedback for its sharpness, beautiful bokeh, and excellent performance in low light and portraits. Users praise its clarity and value, though some note it may have focusing issues on older Pentax DSLR bodies. Overall, it is considered a superb lens that delivers professional-quality results.
Pros
- Razor sharp image quality
- Beautiful smooth bokeh
- Excellent low-light performance
- Great for portraits and events
- Weather-sealed for outdoor use
Cons
- Potential focusing issues on older Pentax bodies
- Slightly large size
- Not as sharp as Carl Zeiss lenses
Scores
Specifications
| Sony E PZ 16-50mm f/3.5-5.6 OSS | Pentax DA 21790 55mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 16 mm | 55 mm |
| Focal Length Max | 50 mm | 55 mm |
| Elements | 9 | 9 |
| Groups | 8 | 8 |
| Aspherical Elements | 4★ | 0 |
| ED Elements | 1 | 1 |
| Coating | — | Aero Bright coating, Super Protect (SP) coating |
| Aperture | ||
| Max Aperture | f/3.5 | f/22 |
| Min Aperture | 3.5-5.6 | f/1.4 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.11 kg★ | 0.38 kg |
| Filter Thread | 41 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | SDM |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 4 stops★ | — |
| Focus | ||
| Min Focus Distance | 250 mm★ | 450 mm |
| Max Magnification | 0.215x | 0.3x★ |
Pros & Cons
Sony E PZ 16-50mm f/3.5-5.6 OSS
- Strong build (98th percentile)98th %ile
- Strong stabilization (92nd percentile)92nd %ile
- Strong versatility (84th percentile)84th %ile
- Strong aperture (83rd percentile)83rd %ile
Pentax DA 21790 55mm
- Strong build (79th percentile)
- Strong user sentiment (66th percentile)
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Verdict
Scores 90 overall, wins 9 of 9 usage categories and 5 of 22 specs.