Explanation of several switches of Canon EF70-200f2.8LISUSM lens

1.2m-∽ is the nearest focal length and infinity switch, AF-MF is manual and automatic switching, stabilizer on off is an anti-shake switch, which can also be understood as an anti-shake switch, stabilizermode 1 2 is an anti-shake mode, and mode 1 is an anti-shake mode used by photographers for still photography.

Mode 2 A mode in which the photographer uses low-speed shutter panning or synchronous motion of the "subject" to shoot.