Sigma DC DN 30mm F 1.4 DC DN 30mm
Sigma
79 Overall Score
vs
Viltrox Air 20mm F2.8 FE 20mm
Viltrox
87 Overall Score
What Buyers Say
Sigma DC DN 30mm F 1.4 DC DN 30mm
82 out of 100 high confidence 245 reviews
The Sigma 30mm f/1.4 DC DN Contemporary lens is widely praised for its exceptional sharpness, fast f/1.4 aperture, and beautiful bokeh, making it a favorite for low-light and portrait photography on APS-C cameras. Users consistently highlight its solid build quality and excellent value for money. However, some reviewers report inconsistent autofocus, particularly at longer distances, and occasional chromatic aberration or vignetting wide open. A few copies have exhibited noisy or unreliable AF motors, especially in video mode.
Pros
- Exceptional sharpness
- Fast f/1.4 aperture
- Beautiful bokeh
- Solid build quality
- Excellent value for money
Cons
- Inconsistent autofocus at distance
- Chromatic aberration wide open
- Vignetting wide open
- Noisy AF motor in some copies
- Soft corners at f/1.4
Image quality 45
Autofocus performance 30
Build quality 28
Low light performance 25
Value for money 22
Bokeh 18
Viltrox Air 20mm F2.8 FE 20mm
No customer feedback yet
Scores
Street
Macro
Portrait
Professional
Budget
Video Cinema
Landscape
Wildlife Sports
Travel
Specifications
| Sigma DC DN 30mm F 1.4 DC DN 30mm | Viltrox Air 20mm F2.8 FE 20mm | |
|---|---|---|
| Optics | ||
| Type | prime | wide-angle |
| Focal Length Min | 30 mm | 20 mm |
| Focal Length Max | 30 mm | 20 mm |
| Elements | 9 | 10 |
| Groups | 7 | 8 |
| Aspherical Elements | 2 | 2 |
| ED Elements | 5★ | 2 |
| Coating | Super Multi-Layer Coating | multi-layer nano-MC coating |
| Aperture | ||
| Max Aperture | f/1.4 | f/2.8 |
| Min Aperture | f/1.4 | f/2.8 |
| Constant | ✓★ | — |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.27 kg | 0.16 kg★ |
| Filter Thread | 52 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | HSM | STM★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 300 mm | 20 mm★ |
| Max Magnification | 1:7.14★ | 0.17X |
Pros & Cons
Sigma DC DN 30mm F 1.4 DC DN 30mm
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (97th percentile)97th %ile
- Strong build (87th percentile)87th %ile
- Strong optical (78th percentile)
- Below average versatility (34th percentile)
Viltrox Air 20mm F2.8 FE 20mm
- Strong macro (91st percentile)91st %ile
- Strong build (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
- Strong social proof (86th percentile)86th %ile
- Below average versatility (34th percentile)
Pricing
Sigma DC DN 30mm F 1.4 DC DN 30mm0.243score per dollar
vs
Viltrox Air 20mm F2.8 FE 20mm0.494score per dollar
Viltrox Air 20mm F2.8 FE 20mm offers 2.0x better value for money
Verdict
Winner: Viltrox Air 20mm F2.8 FE 20mm
Scores 87 overall, wins 5 of 9 usage categories and 5 of 21 specs.
