Tamron 50-400mm F/4.5-6.3 Di III VC VXD vs Tamron 70-300mm F/4.5-6.3 Di III RXD
Key differences
- —The 70-300mm F/4.5-6.3 Di III RXD is 610g lighter (545g vs 1155g).
- —At launch the 70-300mm F/4.5-6.3 Di III RXD cost $750 less ($549 vs $1,299).
- —For close-ups the 50-400mm F/4.5-6.3 Di III VC VXD reaches 0.50× vs 0.20×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 50–400mm
- 70–300mm
- Max aperture
- F4.5–6.3
- F4.5–6.3
- Weight
- 1,155g
- 545g◆
- Dimensions ⌀ × L
- 88.5 × 183.4mm
- 77.0 × 148.0mm
- Volume
- 1128 cm³
- 689 cm³◆
- Density
- 1.02 g/cm³
- 0.79 g/cm³
- Filter thread
- ⌀67mm
- ⌀67mm
- Min focus
- 0.25m◆
- 0.80m
- Max magnification
- 0.50×◆
- 0.20×
- Elements / groups
- 24 / 18
- 15 / 10
- Aperture blades
- 9◆
- 7
- Focus drive
- VXD Linear Motor
- RXD Stepping Motor
- Stabilisation
- Yes
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- —
- Released
- 2022
- 2020
- MSRP (USD)
- $1,299
- $549◆
- Sharpness
- 8.0◆
- 7.6
- Bokeh Rendering
- 7.2◆
- 7.0
- Autofocus Speed
- 8.5◆
- 7.6
- Flare Resistance
- 7.8◆
- 7.5
- Build / Sealing
- 8.1◆
- 7.4
- Value / Size
- 9.0
- 9.0
Performance overlay
- 50-400mm F/4.5-6.3 Di III VC VXD
- 70-300mm F/4.5-6.3 Di III RXD
◆ marks the best value in a row. Scores are 0–10 editorial ratings.