Nikon NIKKOR Z 17-28mm f/2.8
Pentax Limited 28050 21mm
What Buyers Say
Nikon NIKKOR Z 17-28mm f/2.8
The Nikon NIKKOR Z 17-28mm f/2.8 is widely praised for its sharpness, fast and quiet autofocus, and compact, lightweight design, making it a favorite for event, wedding, real estate, and travel photography. Users appreciate the constant f/2.8 aperture for low light and the internal zoom that keeps gimbals balanced. A few negative reviews mention resolution issues, excessive contrast, or that it's a rebranded Tamron, but the overall sentiment is very positive, with many calling it a great value.
Pros
- Sharp and crisp images
- Fast and quiet autofocus
- Compact and lightweight
- Constant f/2.8 aperture
- Internal zoom for gimbal balance
Cons
- Resolution issues in some copies
- Excessive contrast in images
- Rebranded Tamron design
- Not as sharp as S-line lenses
- Made in China
Pentax Limited 28050 21mm
The Pentax HD D FA 21mm f/2.4ED Limited DC WR lens is highly praised for its unique image look, sharpness, and build quality. Users find it a worthy successor to older lenses like the Zeiss Distagon 21mm, with excellent close focusing and minimal distortion. Some note that its magic is best at f/2.4, with vignetting adding character, and that it pairs well with other Pentax Limited lenses.
Pros
- Unique image look at f/2.4
- Excellent sharpness
- Great close focusing ability
- Minimal distortion and chromatic aberrations
- Solid build quality
Cons
- Severe vignetting at f/2.4
- Loses magic at f/5.6
- Images may be overexposed with Pentax K-1
- High cost
- Not as good as 31mm Limited for contrast/saturation
Scores
Specifications
| Nikon NIKKOR Z 17-28mm f/2.8 | Pentax Limited 28050 21mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 21 mm |
| Focal Length Max | 28 mm | 21 mm |
| Elements | 13 | 11 |
| Groups | 11 | 8 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 3 | 4★ |
| Coating | antifouling coating | High-Grade Multi-Layer HD Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9★ | 8 |
| Build | ||
| Mount | Nikon Z | Pentax K |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.45 kg | 0.42 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Stepping Motor★ | Autofocus |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm | 180 mm★ |
| Max Magnification | 0.19x | 0.26x★ |
Pros & Cons
Nikon NIKKOR Z 17-28mm f/2.8
- Strong bokeh (91st percentile)91st %ile
- Strong aperture (88th percentile)88th %ile
- Strong optical (88th percentile)88th %ile
- Strong af (85th percentile)85th %ile
- Below average stabilization (34th percentile)
Pentax Limited 28050 21mm
- Strong build (76th percentile)
- Strong optical (76th percentile)
- Strong user sentiment (66th percentile)
- Below average bokeh (19th percentile)19th %ile
- Below average aperture (22nd percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Verdict
Scores 78 overall, wins 9 of 9 usage categories and 3 of 21 specs.