7Artisans AF 50mm F1.8 vs Sigma 50mm F1.4 CL DG | Contemporary
The Sigma is brighter (f/1.4 vs f/1.8) and is weather sealed.
Key differences
- The Sigma is 46g lighter (375g vs 421g).
- The Sigma is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
- For close-ups the Sigma reaches 0.15× vs 0.13×.
Which to choose
- AF 50mm F1.8
No clear advantage on paper. Compare handling and the full specs below.
- 50mm F1.4 CL DG | Contemporary
Choose it for:
- +The brightest aperture: f/1.4, about 0.7 stop more light
- +Weather sealing
Computed from published specs, confirmed launch prices and, where every lens has at least two reviews, review scores.
7Artisans
AF 50mm F1.8
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 50mm
- 50mm
- Max aperture
- F1.8
- F1.4◆
- Weight
- 421g
- 375g◆
- Dimensions ⌀ × L
- 72.0 × 104.0mm
- 64.7 × 56.0mm
- Volume
- 423 cm³
- 184 cm³◆
- Density
- 0.99 g/cm³
- 2.04 g/cm³
- Filter thread
- ⌀62mm
- ⌀52mm
- Min focus
- 0.50m
- 0.45m◆
- Max magnification
- 0.13×
- 0.15×◆
- Elements / groups
- 11 / 9
- 9 / 6
- Aperture blades
- 11
- 14◆
- Focus drive
- STM
- RDD (Rotary Direct Drive)
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes · de-click
- Yes
- Released
- 2024
- 2026
- MSRP (USD)
- $228
- Unconfirmed
- Sharpness
- 7.9
- —
- Bokeh Rendering
- 7.8
- —
- Autofocus Speed
- 7.2
- —
- Flare Resistance
- 6.8
- —
- Build / Sealing
- 7.8
- —
- Value / Size
- 8.5
- —
Performance overlay
- AF 50mm F1.8
- 50mm F1.4 CL DG | Contemporary
◆ marks the best value in a row. Scores are 0–10 editorial ratings.