7Artisans AF 40mm F2.5 LITE (L-Mount) vs Sigma 40mm F1.4 DG HSM | Art (L-Mount)
Key differences
- —The AF 40mm F2.5 LITE (L-Mount) is 1205g lighter (90g vs 1295g).
- —The 40mm F1.4 DG HSM | Art (L-Mount) is faster: f/1.4 vs f/2.5 (≈1.7 stops more light).
- —For close-ups the 40mm F1.4 DG HSM | Art (L-Mount) reaches 0.15× vs 0.13×.
Which to choose
- AF 40mm F2.5 LITE (L-Mount)
Choose it for:
- +A physical aperture ring
- 40mm F1.4 DG HSM | Art (L-Mount)
Choose it for:
- +The brightest aperture: f/1.4, about 1.7 stops more light
- +Weather sealing
Computed from published specs, confirmed launch prices and, where every lens has at least two reviews, review scores.
- Mount
- L-Mount (FF)
- L-Mount (FF)
- Focal length
- 40mm
- 40mm
- Max aperture
- F2.5
- F1.4◆
- Weight
- ≈90g◆
- 1,295g
- Dimensions ⌀ × L
- 63.0 × 40.0mm
- 87.8 × 155.0mm
- Volume
- 125 cm³◆
- 938 cm³
- Density
- 0.72 g/cm³
- 1.38 g/cm³
- Filter thread
- ⌀46mm
- ⌀82mm
- Min focus
- 0.40m
- 0.40m
- Max magnification
- 0.13×
- 0.15×◆
- Elements / groups
- 7 / 6
- 16 / 12
- Aperture blades
- 9
- 9
- Focus drive
- STM
- HSM (Hyper Sonic Motor)
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes
- —
- Released
- 2026
- 2019
- MSRP (USD)
- Unconfirmed
- $1,399
- Sharpness
- 7.4
- 9.4◆
- Bokeh Rendering
- 7.6
- 8.6◆
- Autofocus Speed
- 6.6
- 7.4◆
- Flare Resistance
- 5.0
- 7.6◆
- Build / Sealing
- 7.0
- 8.7◆
- Value / Size
- 8.6◆
- 7.5
Performance overlay
- AF 40mm F2.5 LITE (L-Mount)
- 40mm F1.4 DG HSM | Art (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

