Canon EF70-200 mm f/2.8L IS II USM Instructions Manual page 12

8. Tips on Using the Image Stabilizer
The image stabilizer for this lens is effective for hand-held shots in the following conditions.
MODE 1
■
ON
In semi-darkened areas such as indoors or
● ●
outdoors at night.
In locations where flash photography is
● ●
prohibited, such as art museums and theater
stages.
In situations where your footing is uncertain.
● ●
In situations where fast shutter settings
● ●
cannot be used.
OFF
MODE 2
■
ON
When panning subjects in motion.
● ●
OFF
ENG-11