Yesterday's Microsoft presentation of the Hololens AR glasses has shown a complex camera system inside. Each Hololens contains at least 6 different cameras, as far as I can count. If Hololens becomes a mass market device, it could be the single biggest market for image sensors:
A company Youtube video presents the Hololens internal design:
Update: MSDN publishes a video interview with Alex Kipman talking about the Hololens design challenges.