Do you have a you're trying to get working, or are you just looking into the history of tech hardware ?
: If you have a specific brand name (like Techcom), visit their official support page rather than third-party driver repositories.
Look for an "Unknown Device" or a device with a yellow exclamation mark under . Right-click it > Properties > Details tab. Select Hardware Ids from the dropdown menu. You will see a string like USB\VID_045E&PID_00F4 .
After download:
So what device actually has f=385 mm ?