According to latest rumors Canon is expected to announce a new 600mm F4L IS III lens, the announcement of the lens is rumored to happen on or before photokina event 2018. Canon is also rumored to announce a new Mirrorless camera on Sep 4/5, we have rolled out the list of Canon upcoming lenses in next two years based on the patents they are working on.
You check the Canon Registered models code list here and Camera Rumors page for upcoming camera rumors.
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