Tamron 50-400mm F/4.5-6.3 Di III VC VXD (Nikon Z) vs Viltrox AF 135mm F1.8 LAB Z
Key differences
- —The 50-400mm F/4.5-6.3 Di III VC VXD (Nikon Z) is 85g lighter (1180g vs 1265g).
- —The AF 135mm F1.8 LAB Z is faster: f/1.8 vs f/4.5 (≈2.6 stops more light).
- —At launch the AF 135mm F1.8 LAB Z cost $400 less ($899 vs $1,299).
- —For close-ups the 50-400mm F/4.5-6.3 Di III VC VXD (Nikon Z) reaches 0.50× vs 0.25×.
- Mount
- Nikon Z (FX)
- Nikon Z (FX)
- Focal length
- 50–400mm
- 135mm
- Max aperture
- F4.5–6.3
- F1.8◆
- Weight
- 1,180g◆
- 1,265g
- Dimensions ⌀ × L
- 88.5 × 185.8mm
- 93.0 × 147.6mm
- Volume
- 1143 cm³
- 1003 cm³◆
- Density
- 1.03 g/cm³
- 1.26 g/cm³
- Filter thread
- ⌀67mm
- ⌀82mm
- Min focus
- 0.25m◆
- 0.72m
- Max magnification
- 0.50×◆
- 0.25×
- Elements / groups
- 24 / 18
- 14 / 9
- Aperture blades
- 9
- 11◆
- Focus drive
- VXD Linear Motor
- HyperVCM
- Stabilisation
- Yes
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- Yes · de-click
- Released
- 2024
- 2025
- MSRP (USD)
- $1,299
- $899◆
- Sharpness
- 8.0
- 9.3◆
- Bokeh Rendering
- 7.2
- 9.0◆
- Autofocus Speed
- 8.5◆
- 8.0
- Flare Resistance
- 7.8
- 8.2◆
- Build / Sealing
- 8.1
- 8.6◆
- Value / Size
- 9.0
- 9.3◆
Performance overlay
- 50-400mm F/4.5-6.3 Di III VC VXD (Nikon Z)
- AF 135mm F1.8 LAB Z
◆ marks the best value in a row. Scores are 0–10 editorial ratings.