Sigma 20mm F1.4 DG DN | Art vs Viltrox MF 20mm F1.8 ASPH FE
Key differences
- —The 20mm F1.4 DG DN | Art is 145g lighter (630g vs 775g).
- —The 20mm F1.4 DG DN | Art is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
- —At launch the MF 20mm F1.8 ASPH FE cost $500 less ($399 vs $899).
- —The MF 20mm F1.8 ASPH FE is manual focus only.
- —For close-ups the 20mm F1.4 DG DN | Art reaches 0.16× vs 0.10×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 20mm
- 20mm
- Max aperture
- F1.4◆
- F1.8
- Weight
- 630g◆
- 775g
- Dimensions ⌀ × L
- 87.8 × 113.2mm
- 76.8 × 102.0mm
- Volume
- 685 cm³
- 473 cm³◆
- Density
- 0.92 g/cm³
- 1.64 g/cm³
- Filter thread
- ⌀82mm
- ⌀82mm
- Min focus
- 0.23m◆
- 0.25m
- Max magnification
- 0.16×◆
- 0.10×
- Elements / groups
- 17 / 15
- 12 / 9
- Aperture blades
- 11
- 14◆
- Focus drive
- Stepping Motor
- Manual Helicoid
- Stabilisation
- —
- —
- Weather sealed
- Yes
- —
- Aperture ring
- Yes · de-click
- Yes
- Released
- 2022
- 2020
- MSRP (USD)
- $899
- $399◆
- Sharpness
- 8.6◆
- 7.4
- Bokeh Rendering
- 8.0◆
- 7.2
- Autofocus Speed
- 8.2
- MF
- Flare Resistance
- 8.0◆
- 6.8
- Build / Sealing
- 8.8◆
- 8.2
- Value / Size
- 8.9◆
- 8.2
Performance overlay
- 20mm F1.4 DG DN | Art
- MF 20mm F1.8 ASPH FE
◆ marks the best value in a row. Scores are 0–10 editorial ratings.