Trust has announced that its latest Taxon webcam has a QHD (2560x1440) sensor. It also features auto-focus for its high-res lens, as well as dual mics and a USB plug-and-play nature. It has been released to Amazon in the UK for £69.99 (~US$97), or £48.99 (~$68) for a limited time.
https://www.notebookcheck.net/Trust-launches-the-2K-dual-mic-Taxon-USB-webcam.536200.0.html