- Brand
- Tamron
- Model
- 17-28mm f/2.8 Di III RXD
- Mount
- Sony E
- Release year
- 2019
- Focal length
- 17–28mm
- Max aperture
- ƒ/22.0
- Crop factor (35mm-equiv.)
- 1.53×
- 35mm-equivalent focal length
- 26–43mm
- 35mm-equivalent aperture (DoF)
- ƒ/33.7
- Diagonal field of view
- 53.5–79.4°