Samyang 50mm F1.4 AS UMC vs Viltrox AF 50mm F2.0 Air FE
Key differences
- —The AF 50mm F2.0 Air FE is 360g lighter (205g vs 565g).
- —The 50mm F1.4 AS UMC is faster: f/1.4 vs f/2 (≈1.0 stops more light).
- —At launch the AF 50mm F2.0 Air FE cost $300 less ($199 vs $499).
- —The 50mm F1.4 AS UMC is manual focus only.
- —For close-ups the 50mm F1.4 AS UMC reaches 0.13× vs 0.11×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 50mm
- 50mm
- Max aperture
- F1.4◆
- F2
- Weight
- 565g
- 205g◆
- Dimensions ⌀ × L
- 81.6 × 100.7mm
- 65.0 × 56.5mm
- Volume
- 527 cm³
- 187 cm³◆
- Density
- 1.07 g/cm³
- 1.09 g/cm³
- Filter thread
- ⌀77mm
- ⌀58mm
- Min focus
- 0.45m◆
- 0.51m
- Max magnification
- 0.13×◆
- 0.11×
- Elements / groups
- 9 / 6
- 13 / 9
- Aperture blades
- 8
- 9◆
- Focus drive
- Manual Helicoid
- STM (Lead Screw)
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- —
- Released
- 2013
- 2025
- MSRP (USD)
- $499
- $199◆
- Sharpness
- 7.5
- 8.6◆
- Bokeh Rendering
- 7.8◆
- 7.3
- Autofocus Speed
- MF
- 7.4
- Flare Resistance
- 7.0◆
- 6.4
- Build / Sealing
- 7.3◆
- 6.8
- Value / Size
- 8.3
- 9.3◆
Performance overlay
- 50mm F1.4 AS UMC
- AF 50mm F2.0 Air FE
◆ marks the best value in a row. Scores are 0–10 editorial ratings.