Overview
Bought in 2021.
The Raspberry Pi Camera Module 2 is no longer being used.
Product website: https://www.raspberrypi.com/products/camera-module-v2/
Documentation: https://www.raspberrypi.com/documentation/accessories/camera.html
Ribbon cable (Display Serial Interface (DSI)): https://en.wikipedia.org/wiki/Display_Serial_Interface
Ribbon cable connectors are either full size or half size.
Hardware
The Raspberry Pi Camera v2 is connected to a full size a DSI ribbon cable. The other end is connected to either full size or half size depending on the Raspberry Pi.