Canon EOS R5C Manual page 785

Exposure control
Metering functions under various shooting conditions
Item
Metering sensor
Evaluative
metering
Partial metering
Metering mode
Spot metering
Center-weighted
average
Metering brightness range (At
23°C / 73°F, ISO 100)
ISO speed (recommended exposure index) in still photo shooting
Manually set ISO speed in still photo shooting
Normal ISO speed
Expanded ISO speed (equivalent)
* 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
Minimum
Maximum
* Expanded ISO speeds are noted as being "equivalent" to these speeds.
ISO Auto range settings in still photo shooting
Auto range
Minimum
Maximum
384 zone (24×16) metering using image sensor output signals
Yes
Yes: (Approx. 6.1%) of the screen
Yes: (Approx. 3.1%) of the screen
Yes
EV –3 to 20
ISO 100–51200 (in 1/3-stop, 1-stop increments)
L (50)
H (102400)
L (50)–51200 (in 1-stop increments)
ISO 100–H (102400) (in 1-stop increments)
ISO 100–25600 (in 1-stop increments)
ISO 200–51200 (in 1-stop increments)
785
Still photo shooting
ISO speed
ISO speed