According to Nokishita, the new Tamron 17-35mm f/2.8-4 Di OSD ultra-wide-angle lens (model A037) will be available for pre-order on August 6, 2018. That means the official announcement is probably on August 6th. The Japanese price is ￥78,300 yen (including tax), around $700 USD in the US.
Tamron 17-35mm f/2.8-4 Di OSD Lens (Model A037) specifications:
- Mount: For Canon · For Nikon
- Lens construction: 10 groups of 15
- Shortest shooting distance: 0.28 m
- Maximum magnification: 1: 4.9
- Filter diameter: 77 mm
- Size: φ83.6 mm × 92.5 mm (For Canon)
- Weight: 460 g
Reminder: Tamron currently has the SP 15-30mm f/2.8 Di VC USD ultra-wide-angle lens for Canon full frame DSLRs.