Tips On Using The Image Stabilizer - Canon EF100-400mm F4.5-5.6L IS USM Instructions Manual

7. Tips on Using the Image Stabilizer

The image stabilizer is particularly effective for hand-held shots in the following conditions.
●
MODE 1
(ON)
q In semi-darkened areas such as indoors or
outdoors at night.
w In locations where flash photography is
prohibited, such as art museums and theater
stages.
e In situations where fast shutter settings
cannot be used.
r In situations where your footing is uncertain.
ENG-8
(OFF)
●
MODE 2
(ON)
q When panning subjects in motion.
w When following subjects that are moving
erratically.
* We recommend MODE 1 for all other situations.
(OFF)