Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 163)

163
Set the ISO speed (image sensor’s sensitivity to light) to suit the
ambient light level.
Regarding the ISO speed during movie shooting, see pages 299 and
302.
1
Press the < i > button ( 9 ) .
2
Set the ISO speed.
While looking at the top LCD panel or
the viewfinder, turn the <
6 > or
< 5 > dial.
ISO speed can be set within ISO 100
- ISO 51200 in 1/3-stop increments.
“ A ” indicates ISO Auto. The ISO
speed will be set automatically
(p.165).
ISO Speed Guide
* High ISO speeds will result in grainier images.
i
: Setting the ISO Speed for Still Photos
ISO speed
Shooting Situation
(No flash)
Flash Range
L (50), ISO 100 - ISO 400 Sunny outdoors
The higher the ISO speed,
the farther the effective
flash range will be. ISO 400 - ISO 1600
Overcast skies or
evening time
ISO 1600 - ISO 51200,
H1 (102400), H2 (204800),
H3 (409600)
Dark indoors or night
You can also set the ISO speed with the [ z 2: ISO speed settings ] menu’s
[ ISO speed ] screen.