7Artisans AF 40mm F2.5 vs Voigtlander Septon 40mm F2 Aspherical
Key differences
- —The AF 40mm F2.5 is 75g lighter (90g vs 165g).
- —The Septon 40mm F2 Aspherical is faster: f/2 vs f/2.5 (≈0.6 stops more light).
- —At launch the AF 40mm F2.5 cost $540 less ($159 vs $699).
- —The Septon 40mm F2 Aspherical is manual focus only.
- —For close-ups the Septon 40mm F2 Aspherical reaches 0.19× vs 0.13×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 40mm
- 40mm
- Max aperture
- F2.5
- F2◆
- Weight
- 90g◆
- 165g
- Dimensions ⌀ × L
- 63.0 × 40.0mm
- 61.7 × 30.0mm
- Volume
- 125 cm³
- 90 cm³◆
- Density
- 0.72 g/cm³
- 1.84 g/cm³
- Filter thread
- ⌀46mm
- ⌀52mm
- Min focus
- 0.40m
- 0.30m◆
- Max magnification
- 0.13×
- 0.19×◆
- Elements / groups
- 7 / 6
- 7 / 6
- Aperture blades
- 9
- 10◆
- Focus drive
- STM
- Manual Helicoid
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- Yes
- Released
- 2026
- 2026
- MSRP (USD)
- $159◆
- $699
- Sharpness
- 7.5
- 8.0◆
- Bokeh Rendering
- 7.8◆
- 7.2
- Autofocus Speed
- 6.8
- MF
- Flare Resistance
- 6.0
- 8.0◆
- Build / Sealing
- 6.8
- 8.8◆
- Value / Size
- 8.6◆
- 8.3
Performance overlay
- AF 40mm F2.5
- Septon 40mm F2 Aspherical
◆ marks the best value in a row. Scores are 0–10 editorial ratings.