7Artisans 50mm F1.05 (L-Mount) vs Sigma 50mm F2 DG | Contemporary (L-Mount)
Key differences
- —The 50mm F2 DG | Contemporary (L-Mount) is 256g lighter (350g vs 606g).
- —The 50mm F1.05 (L-Mount) is faster: f/1.05 vs f/2 (≈1.9 stops more light).
- —The 50mm F1.05 (L-Mount) is manual focus only.
- —For close-ups the 50mm F2 DG | Contemporary (L-Mount) reaches 0.14× vs 0.13×.
Which to choose
- 50mm F1.05 (L-Mount)
Choose it for:
- +The brightest aperture: f/1.05, about 1.9 stops more light
- 50mm F2 DG | Contemporary (L-Mount)
Choose it for:
- +The lightest option: 350g, 256g less than the next
- +Autofocus
- +The sharpest results 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
- F1.05◆
- F2
- Weight
- 606g
- 350g◆
- Dimensions ⌀ × L
- 65.0 × 81.0mm
- 70.0 × 68.0mm
- Volume
- 269 cm³
- 262 cm³◆
- Density
- 2.25 g/cm³
- 1.34 g/cm³
- Filter thread
- ⌀58mm
- ⌀58mm
- Min focus
- 0.57m
- 0.45m◆
- Max magnification
- 0.13×
- 0.14×◆
- Elements / groups
- 10 / 7
- 11 / 9
- Aperture blades
- 13◆
- 9
- Focus drive
- Manual Helicoid
- Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes · de-click
- Yes
- Released
- 2020
- 2023
- MSRP (USD)
- Unconfirmed
- Unconfirmed
- Sharpness
- 6.8
- 8.9◆
- Bokeh Rendering
- 8.0
- 8.1◆
- Autofocus Speed
- MF
- 8.3
- Flare Resistance
- 5.6
- 8.2◆
- Build / Sealing
- 7.6
- 9.0◆
- Value / Size
- 8.2◆
- 8.0
Performance overlay
- 50mm F1.05 (L-Mount)
- 50mm F2 DG | Contemporary (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

