Viltrox AF 20mm F2.8 Air Z vs Viltrox MF 20mm F1.8 ASPH Z
Key differences
- —The AF 20mm F2.8 Air Z is 609g lighter (173g vs 782g).
- —The MF 20mm F1.8 ASPH Z is faster: f/1.8 vs f/2.8 (≈1.3 stops more light).
- —At launch the AF 20mm F2.8 Air Z cost $223 less ($176 vs $399).
- —The MF 20mm F1.8 ASPH Z is manual focus only.
- —For close-ups the AF 20mm F2.8 Air Z reaches 0.17× vs 0.10×.
- Mount
- Nikon Z (FX)
- Nikon Z (FX)
- Focal length
- 20mm
- 20mm
- Max aperture
- F2.8
- F1.8◆
- Weight
- 173g◆
- 782g
- Dimensions ⌀ × L
- 68.0 × 60.8mm
- 76.8 × 104.0mm
- Volume
- 221 cm³◆
- 482 cm³
- Density
- 0.78 g/cm³
- 1.62 g/cm³
- Filter thread
- ⌀52mm
- ⌀82mm
- Min focus
- 0.19m◆
- 0.25m
- Max magnification
- 0.17×◆
- 0.10×
- Elements / groups
- 10 / 8
- 12 / 9
- Aperture blades
- 7
- 14◆
- Focus drive
- STM (Lead Screw)
- Manual Helicoid
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- —
- Yes
- Released
- 2024
- 2019
- MSRP (USD)
- $176◆
- $399
- Sharpness
- 7.6◆
- 7.4
- Bokeh Rendering
- 6.2
- 7.2◆
- Autofocus Speed
- 7.3
- MF
- Flare Resistance
- 6.8
- 6.8
- Build / Sealing
- 7.0
- 8.2◆
- Value / Size
- 9.2◆
- 8.2
Performance overlay
- AF 20mm F2.8 Air Z
- MF 20mm F1.8 ASPH Z
◆ marks the best value in a row. Scores are 0–10 editorial ratings.