Viltrox AF 14/4.0 L 14mm
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
What Buyers Say
Viltrox AF 14/4.0 L 14mm
The Viltrox lenses are overwhelmingly praised for their exceptional value, delivering sharp image quality, solid build, and fast autofocus at a fraction of the cost of name-brand alternatives. Many users highlight the impressive performance for portraits, landscapes, and street photography, with particular acclaim for the 135mm f/1.8 and 16mm f/1.8 models. A few isolated complaints mention autofocus struggles in low light, vignetting, and minor quality control issues, but the overall sentiment is highly positive.
Pros
- Exceptional value for money
- Sharp image quality
- Solid build construction
- Fast and accurate autofocus
- Lightweight and compact design
Cons
- Autofocus struggles in low light
- Vignetting at wide apertures
- Minor chromatic aberration
- No weather sealing
- Autofocus noise audible
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
The Pentax HD DA 20-40mm f/2.8-4 ED Limited DC WR lens is highly praised for its superb build quality, sharpness, and beautiful color rendition. Users love it as a versatile walk-around lens for street photography and landscapes, especially on APS-C bodies like the K-3. The main drawbacks are its variable aperture and a price that many feel is too high for the performance gain over kit lenses.
Pros
- Superb build quality
- Excellent sharpness
- Beautiful color rendition
- Weather resistant
- Versatile focal range for street and landscape
Cons
- Variable aperture (f/2.8-4)
- High price for performance gain
- Limited zoom range
- Not as wide as some kit lenses
Scores
Specifications
| Viltrox AF 14/4.0 L 14mm | Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | 14 mm | 20 mm |
| Focal Length Max | 14 mm | 40 mm |
| Elements | 12 | 9 |
| Groups | 9 | 8 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 4★ | 1 |
| Coating | HD multilayer nano coating | HD coating |
| Aperture | ||
| Max Aperture | f/16 | f/2.8 |
| Min Aperture | f/4 | 2.8-4 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | L-Mount | Pentax K |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.17 kg★ | 0.28 kg |
| Filter Thread | 58 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | STM+Lead screw★ | Autofocus |
| Stabilization | ✓ | ✓ |
| Focus | ||
| Min Focus Distance | 130 mm | 40 mm★ |
| Max Magnification | 0.23X | 1:5★ |
Pros & Cons
Viltrox AF 14/4.0 L 14mm
- Strong build (95th percentile)95th %ile
- Strong af (85th percentile)85th %ile
- Strong optical (84th percentile)84th %ile
- Strong stabilization (80th percentile)80th %ile
- Below average bokeh (30th percentile)
- Below average versatility (34th percentile)
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
- Strong macro (97th percentile)97th %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
- Strong build (86th percentile)86th %ile
Pricing
Viltrox AF 14/4.0 L 14mm offers 2.0x better value for money
Verdict
Scores 87 overall, wins 7 of 9 usage categories and 3 of 21 specs.
