Laowa 20mm f/4 Zero-D Shift vs ZEISS Loxia 2.8/21
Key differences
- —The ZEISS Loxia 2.8/21 is 353g lighter (394g vs 747g).
- —The ZEISS Loxia 2.8/21 is faster: f/2.8 vs f/4 (≈1.0 stops more light).
- —At launch the 20mm f/4 Zero-D Shift cost $400 less ($1,099 vs $1,499).
- —For close-ups the 20mm f/4 Zero-D Shift reaches 0.17× vs 0.13×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 20mm
- 21mm
- Max aperture
- F4
- F2.8◆
- Weight
- 747g
- 394g◆
- Dimensions ⌀ × L
- 95.0 × 91.0mm
- 62.1 × 72.0mm
- Volume
- 645 cm³
- 218 cm³◆
- Density
- 1.16 g/cm³
- 1.81 g/cm³
- Filter thread
- ⌀82mm
- ⌀52mm
- Min focus
- 0.25m
- 0.25m
- Max magnification
- 0.17×◆
- 0.13×
- Elements / groups
- 16 / 11
- 11 / 9
- Aperture blades
- 14◆
- 10
- Focus drive
- Manual Helicoid
- Manual Helicoid
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- Yes · de-click
- Released
- 2022
- 2015
- MSRP (USD)
- $1,099◆
- $1,499
- Sharpness
- 8.6
- 8.8◆
- Bokeh Rendering
- 6.3
- 7.5◆
- Autofocus Speed
- MF
- MF
- Flare Resistance
- 7.1
- 8.9◆
- Build / Sealing
- 8.5
- 9.2◆
- Value / Size
- 8.0◆
- 7.6
Performance overlay
- 20mm f/4 Zero-D Shift
- ZEISS Loxia 2.8/21
◆ marks the best value in a row. Scores are 0–10 editorial ratings.