Samyang 50mm F1.4 AS UMC vs Samyang AF 50mm F1.4 FE II
Key differences
- —The AF 50mm F1.4 FE II is 145g lighter (420g vs 565g).
- —At launch the 50mm F1.4 AS UMC cost $100 less ($499 vs $599).
- —The 50mm F1.4 AS UMC is manual focus only.
- —For close-ups the AF 50mm F1.4 FE II reaches 0.16× vs 0.13×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 50mm
- 50mm
- Max aperture
- F1.4
- F1.4
- Weight
- 565g
- 420g◆
- Dimensions ⌀ × L
- 81.6 × 100.7mm
- 80.1 × 88.9mm
- Volume
- 527 cm³
- 448 cm³◆
- Density
- 1.07 g/cm³
- 0.94 g/cm³
- Filter thread
- ⌀77mm
- ⌀72mm
- Min focus
- 0.45m
- 0.40m◆
- Max magnification
- 0.13×
- 0.16×◆
- Elements / groups
- 9 / 6
- 11 / 8
- Aperture blades
- 8
- 9◆
- Focus drive
- Manual Helicoid
- Linear STM
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes
- —
- Released
- 2013
- 2021
- MSRP (USD)
- $499◆
- $599
- Sharpness
- 7.5
- 8.5◆
- Bokeh Rendering
- 7.8
- 8.3◆
- Autofocus Speed
- MF
- 7.6
- Flare Resistance
- 7.0
- 7.7◆
- Build / Sealing
- 7.3
- 8.2◆
- Value / Size
- 8.3
- 8.8◆
Performance overlay
- 50mm F1.4 AS UMC
- AF 50mm F1.4 FE II
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

