High frame rate video cameras; high frame rate digital video cameras; high speed motion digital cameras; and accessories therefor, namely; lenses and lens filters; application and operational software used to connect the cameras to associated peripherals; electrical interconnection cables for use with the cameras' associated peripherals; camera bags and cases; associated camera tripods; associated batteries; associated remote control devices for cameras; associated computer interface boards; and optical, acoustic and electronic sensors to generate an external trigger signal to cameras