Laowa 20mm f/4 Zero-D Shift (L-Mount) vs Sigma 20mm F2 DG | Contemporary (L-Mount)
Key differences
- —The 20mm F2 DG | Contemporary (L-Mount) is 377g lighter (370g vs 747g).
- —The 20mm F2 DG | Contemporary (L-Mount) is faster: f/2 vs f/4 (≈2.0 stops more light).
- —At launch the 20mm F2 DG | Contemporary (L-Mount) cost $400 less ($699 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 0.15×.
Which to choose
- 20mm f/4 Zero-D Shift (L-Mount)
No clear advantage on paper. Compare handling and the full specs below.
- 20mm F2 DG | Contemporary (L-Mount)
Choose it for:
- +The lightest option: 370g, 377g less than the next
- +The brightest aperture: f/2, about 2.0 stops more light
- +Autofocus
- +The lowest launch price: $699, $400 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
- F2◆
- Weight
- 747g
- 370g◆
- Dimensions ⌀ × L
- 95.0 × 91.0mm
- 70.0 × 72.4mm
- Volume
- 645 cm³
- 279 cm³◆
- Density
- 1.16 g/cm³
- 1.33 g/cm³
- Filter thread
- ⌀82mm
- ⌀62mm
- Min focus
- 0.25m
- 0.22m◆
- Max magnification
- 0.17×◆
- 0.15×
- Elements / groups
- 16 / 11
- 13 / 11
- Aperture blades
- 14◆
- 9
- Focus drive
- Manual Helicoid
- Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- Yes
- Released
- 2022
- 2022
- MSRP (USD)
- $1,099
- $699◆
- Sharpness
- 8.6◆
- 8.3
- Bokeh Rendering
- 6.3
- 7.3◆
- Autofocus Speed
- MF
- 8.0
- Flare Resistance
- 7.0
- —
- Build / Sealing
- 8.4
- 8.7◆
- Value / Size
- 8.0
- 8.4◆
Performance overlay
- 20mm f/4 Zero-D Shift (L-Mount)
- 20mm F2 DG | Contemporary (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.