7Artisans 50mm F1.05 (L-Mount) vs Sigma 50mm F1.4 CL DG | Contemporary (L-Mount)
Key differences
- —The 50mm F1.4 CL DG | Contemporary (L-Mount) is 231g lighter (375g vs 606g).
- —The 50mm F1.05 (L-Mount) is faster: f/1.05 vs f/1.4 (≈0.8 stops more light).
- —The 50mm F1.05 (L-Mount) is manual focus only.
- —For close-ups the 50mm F1.4 CL DG | Contemporary (L-Mount) reaches 0.15× vs 0.13×.
Which to choose
- 50mm F1.05 (L-Mount)
Choose it for:
- +The brightest aperture: f/1.05, about 0.8 stop more light
- 50mm F1.4 CL DG | Contemporary (L-Mount)
Choose it for:
- +The lightest option: 375g, 231g less than the next
- +Autofocus
- +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
- 50mm
- 50mm
- Max aperture
- F1.05◆
- F1.4
- Weight
- 606g
- 375g◆
- Dimensions ⌀ × L
- 65.0 × 81.0mm
- 64.7 × 54.0mm
- Volume
- 269 cm³
- 178 cm³◆
- Density
- 2.25 g/cm³
- 2.11 g/cm³
- Filter thread
- ⌀58mm
- ⌀52mm
- Min focus
- 0.57m
- 0.45m◆
- Max magnification
- 0.13×
- 0.15×◆
- Elements / groups
- 10 / 7
- 9 / 6
- Aperture blades
- 13
- 14◆
- Focus drive
- Manual Helicoid
- RDD (Rotary Direct Drive)
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes · de-click
- Yes
- Released
- 2020
- 2026
- MSRP (USD)
- Unconfirmed
- Unconfirmed
- Sharpness
- 6.8
- 7.8◆
- Bokeh Rendering
- 8.0
- 8.4◆
- Autofocus Speed
- MF
- 7.8
- Flare Resistance
- 5.6
- 8.0◆
- Build / Sealing
- 7.6
- 9.0◆
- Value / Size
- 8.2◆
- 8.0
Performance overlay
- 50mm F1.05 (L-Mount)
- 50mm F1.4 CL DG | Contemporary (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

