Sigma 20mm F1.4 DG DN | Art vs Sony FE 20mm F1.8 G
Key differences
- —The FE 20mm F1.8 G is 257g lighter (373g vs 630g).
- —The 20mm F1.4 DG DN | Art is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
- —At launch the 20mm F1.4 DG DN | Art cost $1 less ($899 vs $900).
- —For close-ups the FE 20mm F1.8 G reaches 0.22× vs 0.16×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 20mm
- 20mm
- Max aperture
- F1.4◆
- F1.8
- Weight
- 630g
- 373g◆
- Dimensions ⌀ × L
- 87.8 × 113.2mm
- 73.5 × 84.7mm
- Volume
- 685 cm³
- 359 cm³◆
- Density
- 0.92 g/cm³
- 1.04 g/cm³
- Filter thread
- ⌀82mm
- ⌀67mm
- Min focus
- 0.23m
- 0.18m◆
- Max magnification
- 0.16×
- 0.22×◆
- Elements / groups
- 17 / 15
- 14 / 12
- Aperture blades
- 11◆
- 9
- Focus drive
- Stepping Motor
- XD Linear Motor (x2)
- Stabilisation
- —
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- Yes · de-click
- Yes · de-click
- Released
- 2022
- 2020
- MSRP (USD)
- $899◆
- $900
- Sharpness
- 8.6
- 9.1◆
- Bokeh Rendering
- 8.0
- 8.0
- Autofocus Speed
- 8.2
- 8.9◆
- Flare Resistance
- 8.0
- 8.4◆
- Build / Sealing
- 8.8◆
- 8.6
- Value / Size
- 8.9
- 9.0◆
Performance overlay
- 20mm F1.4 DG DN | Art
- FE 20mm F1.8 G
◆ marks the best value in a row. Scores are 0–10 editorial ratings.