Iso speed (recommended, Exposure index) in still photo shooting, Exposure control – Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens User Manual
Page 775: Iso speed range settings in still photo shooting, Iso auto range settings in still photo shooting

Exposure control
Metering functions under various shooting conditions
Item
Still photo shooting
Metering sensor
384 zone (24×16) metering using image sensor output signals
Metering mode
Evaluative
metering
Yes
Partial metering
Yes: (Approx. 6.1%) of the screen
Spot metering
Yes: (Approx. 3.1%) of the screen
Center-weighted
average
Yes
Metering brightness range (At
23°C / 73°F, ISO 100)
EV –3 to 20
ISO speed (recommended exposure index) in still photo shooting
Manually set ISO speed in still photo shooting
Normal ISO speed
ISO 100–51200 (in 1/3-stop, 1-stop increments)
Expanded ISO speed (equivalent)
L (50)
H (102400)
* For [
:
Highlight tone priority
], the available ISO speed range is ISO 200 to 51200.
* Expanded ISO cannot be set for HDR mode or during HDR PQ shooting.
ISO speed range settings in still photo shooting
ISO speed range
ISO speed
Minimum
L (50)–51200 (in 1-stop increments)
Maximum
ISO 100–H (102400) (in 1-stop increments)
* Expanded ISO speeds are noted as being “equivalent” to these speeds.
ISO Auto range settings in still photo shooting
Auto range
ISO speed
Minimum
ISO 100–25600 (in 1-stop increments)
Maximum
ISO 200–51200 (in 1-stop increments)
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