Sigma 16-28mm F2.8 DG DN | Contemporary vs Tamron 17-28mm F/2.8 Di III RXD
Key differences
- —The 17-28mm F/2.8 Di III RXD is 30g lighter (420g vs 450g).
- —For close-ups the 17-28mm F/2.8 Di III RXD reaches 0.19× vs 0.18×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 16–28mm
- 17–28mm
- Max aperture
- F2.8
- F2.8
- Weight
- 450g
- 420g◆
- Dimensions ⌀ × L
- 77.2 × 102.6mm
- 73.0 × 99.0mm
- Volume
- 480 cm³
- 414 cm³◆
- Density
- 0.94 g/cm³
- 1.01 g/cm³
- Filter thread
- ⌀72mm
- ⌀67mm
- Min focus
- 0.25m
- 0.19m◆
- Max magnification
- 0.18×
- 0.19×◆
- Elements / groups
- 16 / 11
- 13 / 11
- Aperture blades
- 9
- 9
- Focus drive
- Stepping Motor
- RXD Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- —
- —
- Released
- 2022
- 2019
- MSRP (USD)
- $899
- $899
- Sharpness
- 8.3◆
- 8.1
- Bokeh Rendering
- 7.4◆
- 7.2
- Autofocus Speed
- 8.2◆
- 8.0
- Flare Resistance
- 7.8
- 7.8
- Build / Sealing
- 7.9
- 7.9
- Value / Size
- 8.8
- 8.8
Performance overlay
- 16-28mm F2.8 DG DN | Contemporary
- 17-28mm F/2.8 Di III RXD
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

