According to Videomaker.com the announcement of the RED Ranger camera occurred on the reduser.net forum and the camera will not be for sale. Instead, the camera will only be available for rent due to its high cost. The Ranger’s sensor should have over 16 stops of dynamic range and shoot 8K in 60fps. Read the Videomaker article here.
Canon confirmed the development of an 8K EOS R camera in an interview with Imaging Resource. During an Interview with Yoshiyuki Mizoguchi, Group Executive, ICB Products Group, Image Communication Business Operations at Canon Inc. (What a mouthful. Say that seven times fast!) Read the article here.