If webcam image is too blurry, please try below methods to make it better.

1. The problem could be the camera lens is out of focus. Please screw the camera lens until the image is clear

2.Please confirm if you didn’t enable the resolution option to 1080P on your software.

Take Potplayer as example:

Run Potplayer--Tap “Potplayer”----choose “Open”---Device settings---Webcam--Format : MJPG1920*1080 30