Checking if glass wafer is sitting correctly or not by CVS1 series.
It has wide FOV and will not get affection by water on the glass wafer so you can expect stable inspection.

Checking solder on crystal oscillator by MVS-PM-R.
It can setup up to 16 inspection windows so you can divide the target image into multiple part and check the amount of solder part in each inspection window which can improve accuracy of inspection.