can this be because my processor is too slow?  Doesn't shake when video tapping.  What will correct this?  Pretty lousy if this is the way the camera works.
I am on a MAC 10.12.6
Processor 3.4 ghz intel core i7
memorey 16 gb  1333mhz ddr3
graphics amd radeon hd 6970m
2048mb

thx
Nancy

Your hardware is good enough.
More than enough.
What do you mean with 'tapping'?