Samyang 50mm F1.4 AS UMC vs Sigma 50mm F2 DG | Contemporary
Key differences
- —The 50mm F2 DG | Contemporary is 220g lighter (345g vs 565g).
- —The 50mm F1.4 AS UMC is faster: f/1.4 vs f/2 (≈1.0 stops more light).
- —At launch the 50mm F1.4 AS UMC cost $140 less ($499 vs $639).
- —The 50mm F1.4 AS UMC is manual focus only.
- —For close-ups the 50mm F2 DG | Contemporary reaches 0.14× vs 0.13×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 50mm
- 50mm
- Max aperture
- F1.4◆
- F2
- Weight
- 565g
- 345g◆
- Dimensions ⌀ × L
- 81.6 × 100.7mm
- 70.0 × 70.0mm
- Volume
- 527 cm³
- 269 cm³◆
- Density
- 1.07 g/cm³
- 1.28 g/cm³
- Filter thread
- ⌀77mm
- ⌀58mm
- Min focus
- 0.45m
- 0.45m
- Max magnification
- 0.13×
- 0.14×◆
- Elements / groups
- 9 / 6
- 11 / 9
- Aperture blades
- 8
- 9◆
- Focus drive
- Manual Helicoid
- Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- Yes
- Released
- 2013
- 2023
- MSRP (USD)
- $499◆
- $639
- Sharpness
- 7.5
- 8.7◆
- Bokeh Rendering
- 7.8
- 8.1◆
- Autofocus Speed
- MF
- 8.0
- Flare Resistance
- 7.0
- 8.0◆
- Build / Sealing
- 7.3
- 8.9◆
- Value / Size
- 8.3◆
- 7.9
Performance overlay
- 50mm F1.4 AS UMC
- 50mm F2 DG | Contemporary
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

