Laowa 20mm f/4 Zero-D Shift vs Samyang 20mm F1.8 ED AS UMC
Key differences
- —The 20mm F1.8 ED AS UMC is 222g lighter (525g vs 747g).
- —The 20mm F1.8 ED AS UMC is faster: f/1.8 vs f/4 (≈2.3 stops more light).
- —At launch the 20mm F1.8 ED AS UMC cost $500 less ($599 vs $1,099).
- —For close-ups the 20mm f/4 Zero-D Shift reaches 0.17× vs 0.15×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 20mm
- 20mm
- Max aperture
- F4
- F1.8◆
- Weight
- 747g
- 525g◆
- Dimensions ⌀ × L
- 95.0 × 91.0mm
- 83.0 × 114.4mm
- Volume
- 645 cm³
- 619 cm³◆
- Density
- 1.16 g/cm³
- 0.85 g/cm³
- Filter thread
- ⌀82mm
- ⌀77mm
- Min focus
- 0.25m
- 0.20m◆
- Max magnification
- 0.17×◆
- 0.15×
- Elements / groups
- 16 / 11
- 13 / 12
- Aperture blades
- 14◆
- 7
- Focus drive
- Manual Helicoid
- Manual Helicoid
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- Yes
- Released
- 2022
- 2016
- MSRP (USD)
- $1,099
- $599◆
- Sharpness
- 8.6◆
- 7.6
- Bokeh Rendering
- 6.3
- 7.4◆
- Autofocus Speed
- MF
- MF
- Flare Resistance
- 7.1◆
- 7.0
- Build / Sealing
- 8.5◆
- 7.2
- Value / Size
- 8.0
- 8.2◆
Performance overlay
- 20mm f/4 Zero-D Shift
- 20mm F1.8 ED AS UMC
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

