Samyang 14mm F2.8 ED AS IF UMC vs Viltrox AF 14mm F4.0 Air FE
Key differences
- —The AF 14mm F4.0 Air FE is 400g lighter (170g vs 570g).
- —The 14mm F2.8 ED AS IF UMC is faster: f/2.8 vs f/4 (≈1.0 stops more light).
- —At launch the AF 14mm F4.0 Air FE cost $200 less ($199 vs $399).
- —The 14mm F2.8 ED AS IF UMC is manual focus only.
- —For close-ups the AF 14mm F4.0 Air FE reaches 0.23× vs 0.08×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 14mm
- 14mm
- Max aperture
- F2.8◆
- F4
- Weight
- 570g
- 170g◆
- Dimensions ⌀ × L
- 87.0 × 122.1mm
- 65.0 × 56.4mm
- Volume
- 726 cm³
- 187 cm³◆
- Density
- 0.79 g/cm³
- 0.91 g/cm³
- Filter thread
- —
- ⌀58mm
- Min focus
- 0.28m
- 0.13m◆
- Max magnification
- 0.08×
- 0.23×◆
- Elements / groups
- 14 / 10
- 12 / 9
- Aperture blades
- 6
- 7◆
- Focus drive
- Manual Helicoid
- STM (Lead Screw)
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- Yes
- —
- Released
- 2010
- 2025
- MSRP (USD)
- $399
- $199◆
- Sharpness
- 7.8
- 8.0◆
- Bokeh Rendering
- 6.5◆
- 6.4
- Autofocus Speed
- MF
- 7.6
- Flare Resistance
- 6.5
- 7.6◆
- Build / Sealing
- 7.0◆
- 6.8
- Value / Size
- 9.2
- 9.4◆
Performance overlay
- 14mm F2.8 ED AS IF UMC
- AF 14mm F4.0 Air FE
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

