Samyang 50mm F1.4 AS UMC vs Sony FE 50mm F1.8
Key differences
- —The FE 50mm F1.8 is 379g lighter (186g vs 565g).
- —The 50mm F1.4 AS UMC is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
- —At launch the FE 50mm F1.8 cost $249 less ($250 vs $499).
- —The 50mm F1.4 AS UMC is manual focus only.
- —For close-ups the FE 50mm F1.8 reaches 0.14× vs 0.13×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 50mm
- 50mm
- Max aperture
- F1.4◆
- F1.8
- Weight
- 565g
- 186g◆
- Dimensions ⌀ × L
- 81.6 × 100.7mm
- 68.6 × 59.5mm
- Volume
- 527 cm³
- 220 cm³◆
- Density
- 1.07 g/cm³
- 0.85 g/cm³
- Filter thread
- ⌀77mm
- ⌀49mm
- Min focus
- 0.45m
- 0.45m
- Max magnification
- 0.13×
- 0.14×◆
- Elements / groups
- 9 / 6
- 6 / 5
- Aperture blades
- 8◆
- 7
- Focus drive
- Manual Helicoid
- DC Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- —
- Released
- 2013
- 2016
- MSRP (USD)
- $499
- $250◆
- Sharpness
- 7.5◆
- 7.0
- Bokeh Rendering
- 7.8◆
- 6.8
- Autofocus Speed
- MF
- 5.6
- Flare Resistance
- 7.0◆
- 6.8
- Build / Sealing
- 7.3◆
- 6.4
- Value / Size
- 8.3
- 8.3
Performance overlay
- 50mm F1.4 AS UMC
- FE 50mm F1.8
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

