7Artisans AF 50mm F1.8 (L-Mount) vs Sigma 50mm F2 DG | Contemporary (L-Mount)
Key differences
- —The 50mm F2 DG | Contemporary (L-Mount) is 71g lighter (350g vs 421g).
- —The AF 50mm F1.8 (L-Mount) is faster: f/1.8 vs f/2 (≈0.3 stops more light).
- —For close-ups the 50mm F2 DG | Contemporary (L-Mount) reaches 0.14× vs 0.13×.
Which to choose
- AF 50mm F1.8 (L-Mount)
Choose it for:
- +The brightest aperture: f/1.8, about 0.3 stop more light
- 50mm F2 DG | Contemporary (L-Mount)
Choose it for:
- +The lightest option: 350g, 71g less than the next
- +The sharpest results in reviews
- +The fastest autofocus in reviews
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
- 50mm
- 50mm
- Max aperture
- F1.8◆
- F2
- Weight
- 421g
- 350g◆
- Dimensions ⌀ × L
- 72.0 × 104.0mm
- 70.0 × 68.0mm
- Volume
- 423 cm³
- 262 cm³◆
- Density
- 0.99 g/cm³
- 1.34 g/cm³
- Filter thread
- ⌀62mm
- ⌀58mm
- Min focus
- 0.50m
- 0.45m◆
- Max magnification
- 0.13×
- 0.14×◆
- Elements / groups
- 11 / 9
- 11 / 9
- Aperture blades
- 11◆
- 9
- Focus drive
- STM
- Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes · de-click
- Yes
- Released
- 2025
- 2023
- MSRP (USD)
- $228
- Unconfirmed
- Sharpness
- 7.8
- 8.9◆
- Bokeh Rendering
- 7.8
- 8.1◆
- Autofocus Speed
- 7.3
- 8.3◆
- Flare Resistance
- 6.8
- 8.2◆
- Build / Sealing
- 7.8
- 9.0◆
- Value / Size
- 8.5◆
- 8.0
Performance overlay
- AF 50mm F1.8 (L-Mount)
- 50mm F2 DG | Contemporary (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.