Sigma 40mm F1.4 DG HSM | Art vs Viltrox AF 40mm F2.5 Air FE
Key differences
- —The AF 40mm F2.5 Air FE is 1093g lighter (167g vs 1260g).
- —The 40mm F1.4 DG HSM | Art is faster: f/1.4 vs f/2.5 (≈1.7 stops more light).
- —At launch the AF 40mm F2.5 Air FE cost $1,231 less ($168 vs $1,399).
- —For close-ups the 40mm F1.4 DG HSM | Art reaches 0.15× vs 0.14×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 40mm
- 40mm
- Max aperture
- F1.4◆
- F2.5
- Weight
- 1,260g
- 167g◆
- Dimensions ⌀ × L
- 87.8 × 157.0mm
- 65.0 × 59.5mm
- Volume
- 951 cm³
- 197 cm³◆
- Density
- 1.33 g/cm³
- 0.85 g/cm³
- Filter thread
- ⌀82mm
- ⌀52mm
- Min focus
- 0.40m
- 0.34m◆
- Max magnification
- 0.15×◆
- 0.14×
- Elements / groups
- 16 / 12
- 10 / 6
- Aperture blades
- 9◆
- 7
- Focus drive
- HSM (Hyper Sonic Motor)
- STM (Lead Screw)
- Stabilisation
- —
- —
- Weather sealed
- Yes
- —
- Aperture ring
- —
- —
- Released
- 2018
- 2024
- MSRP (USD)
- $1,399
- $168◆
- Sharpness
- 9.5◆
- 8.0
- Bokeh Rendering
- 8.5◆
- 7.0
- Autofocus Speed
- 7.6
- 7.6
- Flare Resistance
- 8.2◆
- 7.4
- Build / Sealing
- 8.8◆
- 6.8
- Value / Size
- 7.6
- 9.3◆
Performance overlay
- 40mm F1.4 DG HSM | Art
- AF 40mm F2.5 Air FE
◆ marks the best value in a row. Scores are 0–10 editorial ratings.