If you are in the Yokohama (Tokyo) area at the end of February 2019 it's a camera trade show you might enjoy. I have attended for years and just submitted my preregistration (it's free for early online registration)
CP+2019 Camera & Photo Imaging Show 2019
Dates: Feb 28 (Thu) - March 3 (Sun)
Venue: Pacifico Yokohama