As previously reported, the Tamron 17-28mm f/2.8 Di III RXD lens for Sony E-mount is now officially released (see the details here and here). Pre-orders are now open at Adorama and B&H.
The MTF chart and lens design diagram can be found here.
- 17-28mm ultra wide-angle lens
- Large f/2.8 aperture throughout the focal range
- Only 67mm filter diameter
- Lightest lens in its class at 14.8 ounces and only 3.9 inches long
- Super quiet RXD stepping motor unit
- Super close 7.5” minimum object distance
- LD (low-dispersion) and XLD (extra low-dispersion) elements
- Compatible with Sony E-Mount full-frame mirrorless
- Fluoride coating
- Moisture-resistant build