Sigma 40mm F1.4 DG HSM | Art vs Voigtlander Septon 40mm F2 Aspherical
Key differences
- —The Septon 40mm F2 Aspherical is 1095g lighter (165g vs 1260g).
- —The 40mm F1.4 DG HSM | Art is faster: f/1.4 vs f/2 (≈1.0 stops more light).
- —At launch the Septon 40mm F2 Aspherical cost $700 less ($699 vs $1,399).
- —The Septon 40mm F2 Aspherical is manual focus only.
- —For close-ups the Septon 40mm F2 Aspherical reaches 0.19× vs 0.15×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 40mm
- 40mm
- Max aperture
- F1.4◆
- F2
- Weight
- 1,260g
- 165g◆
- Dimensions ⌀ × L
- 87.8 × 157.0mm
- 61.7 × 30.0mm
- Volume
- 951 cm³
- 90 cm³◆
- Density
- 1.33 g/cm³
- 1.84 g/cm³
- Filter thread
- ⌀82mm
- ⌀52mm
- Min focus
- 0.40m
- 0.30m◆
- Max magnification
- 0.15×
- 0.19×◆
- Elements / groups
- 16 / 12
- 7 / 6
- Aperture blades
- 9
- 10◆
- Focus drive
- HSM (Hyper Sonic Motor)
- Manual Helicoid
- Stabilisation
- —
- —
- Weather sealed
- Yes
- —
- Aperture ring
- —
- Yes
- Released
- 2018
- 2026
- MSRP (USD)
- $1,399
- $699◆
- Sharpness
- 9.5◆
- 8.0
- Bokeh Rendering
- 8.5◆
- 7.2
- Autofocus Speed
- 7.6
- MF
- Flare Resistance
- 8.2◆
- 8.0
- Build / Sealing
- 8.8
- 8.8
- Value / Size
- 7.6
- 8.3◆
Performance overlay
- 40mm F1.4 DG HSM | Art
- Septon 40mm F2 Aspherical
◆ marks the best value in a row. Scores are 0–10 editorial ratings.