I saw this Canon project, a monocular-format camera with 100mm to 400mm FF equivalent focal lengths, and a 1/3" sensor. Seems like an ideal pocketable birdwatching camera, having essentially a 2x-8x magnification.
https://www.dpreview.com/news/78331...-style-powershot-zoom-concept-camera-in-japan
Sadly Japan-only for the moment.
https://www.dpreview.com/news/78331...-style-powershot-zoom-concept-camera-in-japan
Sadly Japan-only for the moment.