Laowa 20mm f/4 Zero-D Shift (L-Mount) vs Sigma 20mm F1.4 DG DN | Art (L-Mount)
Key differences
- —The 20mm F1.4 DG DN | Art (L-Mount) is 112g lighter (635g vs 747g).
- —The 20mm F1.4 DG DN | Art (L-Mount) is faster: f/1.4 vs f/4 (≈3.0 stops more light).
- —At launch the 20mm F1.4 DG DN | Art (L-Mount) cost $200 less ($899 vs $1,099).
- —The 20mm f/4 Zero-D Shift (L-Mount) is manual focus only.
- —For close-ups the 20mm f/4 Zero-D Shift (L-Mount) reaches 0.17× vs 0.16×.
Which to choose
- 20mm f/4 Zero-D Shift (L-Mount)
No clear advantage on paper. Compare handling and the full specs below.
- 20mm F1.4 DG DN | Art (L-Mount)
Choose it for:
- +The lightest option: 635g, 112g less than the next
- +The brightest aperture: f/1.4, about 3.0 stops more light
- +Autofocus
- +Weather sealing
- +The lowest launch price: $899, $200 less
- +The nicest background blur in reviews
Computed from published specs, confirmed launch prices and, where every lens has at least two reviews, review scores.
- Mount
- L-Mount (FF)
- L-Mount (FF)
- Focal length
- 20mm
- 20mm
- Max aperture
- F4
- F1.4◆
- Weight
- 747g
- 635g◆
- Dimensions ⌀ × L
- 95.0 × 91.0mm
- 87.8 × 111.2mm
- Volume
- 645 cm³◆
- 673 cm³
- Density
- 1.16 g/cm³
- 0.94 g/cm³
- Filter thread
- ⌀82mm
- ⌀82mm
- Min focus
- 0.25m
- 0.23m◆
- Max magnification
- 0.17×◆
- 0.16×
- Elements / groups
- 16 / 11
- 17 / 15
- Aperture blades
- 14◆
- 11
- Focus drive
- Manual Helicoid
- Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes
- Yes · de-click
- Released
- 2022
- 2022
- MSRP (USD)
- $1,099
- $899◆
- Sharpness
- 8.6◆
- 8.5
- Bokeh Rendering
- 6.3
- 8.0◆
- Autofocus Speed
- MF
- 8.4
- Flare Resistance
- 7.0
- 8.0◆
- Build / Sealing
- 8.4
- 8.9◆
- Value / Size
- 8.0
- 8.8◆
Performance overlay
- 20mm f/4 Zero-D Shift (L-Mount)
- 20mm F1.4 DG DN | Art (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.