Canon EF 400mm f4 DO IS USM - Manual (Page 9)

ENG-8
7. Tips on Using the Image Stabilizer
● MODE 1 ● MODE 2
The image stabilizer in this lens is effective for hand-held shots under the following conditions.
• 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.
• When panning subjects in motion.
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