Canon will soon announced a new professional camcorder at IBC 2018 later this week. This new camcorder will be named Canon XF705, first leaked image of this camera is already available online, see above.
Here are more images and specs of previous leaked SP 15-30mm f/2.8 Di VC USD G2 lens. According to leaked pdf document, Tamron SP 15-30mm f/2.8 Di VC USD G2 lens delivers uncompromised image quality, infinitely clear images. You can see the detail below:
Tamron will soon announce an updated version of SP 15-30mm f/2.8 lens: Tamron SP 15-30mm f/2.8 Di VC USD G2 Lens. Expect officially announcement will be before Photokina 2018 in late September. Above is the first leaked image of this lens.