Canon EOS-1D X Mark III Advanced User's Manual page 949

Exposure control
Metering mode
Metering mode
Focusing brightness range
Shooting mode
ISO speed (recommended exposure
index)
ISO speed settings
Exposure compensation
AE lock
Flicker reduction
Viewfinder shooting: 216-zone (18×12) TTL open-aperture metering with an
approx. 400,000-pixel RGB+IR metering sensor
Live View shooting/movie recording: 384-zone (24×16) metering with signals
from the image sensor
Viewfinder shooting:
Evaluative metering
Partial metering (approx. 6.2% of screen)
Spot metering (approx. 1.5% of screen)
* Options include spot metering linked to AF points and multi-spot metering
Center-weighted average metering
Live View shooting: Evaluative metering, Partial metering (approx. 5.8% of
screen), Spot metering (approx. 2.9% of screen)
Movie recording: Center-weighted average metering, Evaluative metering
* Set automatically based on shooting conditions
Viewfinder shooting: EV 0 to 20 (at room temperature, ISO 100)
Live View shooting/movie recording: EV –3 to 20 (at room temperature, ISO
100)
Still photo shooting:
Program AE, Shutter-priority AE, Aperture-priority AE, Manual exposure, Bulb
exposure, Custom shooting modes (C1/C2/C3)
Movie recording:
Program AE, Shutter-priority AE, Aperture-priority AE, Manual exposure,
Custom shooting modes (C1/C2/C3)
Still photo shooting:
ISO Auto (automatically set within ISO 100–102400), manually set within ISO
100–102400 (in 1/3- or 1-stop increments), expandable to L (equivalent to ISO
50), H1 (equivalent to ISO 204800), H2 (equivalent to ISO 409600), or H3
(equivalent to ISO 819200)
* ISO 200–102400 with Highlight tone priority set
Movie recording:
Program AE/Av/Tv: ISO Auto (automatically set within ISO 100–25600),
expandable to H1 (equivalent to ISO 204800)
M: ISO Auto (automatically set within ISO 100–25600), manually set within ISO
100–25600 (in 1/3- or 1-stop increments), expandable to H1 (equivalent to ISO
204800)
* ISO 200–25600 with Highlight tone priority set
Still photo shooting:
ISO speed range, Auto range, Minimum shutter speed
Movie recording:
ISO speed range, Max for Auto
Manual: ±5 stops in 1/3- or 1/2-stop increments (viewfinder shooting), or ±3
stops in 1/3- or 1/2-stop increments (Live View shooting, movie recording)
AEB: ±3 stops in 1/3- or 1/2-stop increments (can be combined with manual
exposure compensation)
Still photo shooting:
Auto: AE lock when focus is achieved can be enabled or disabled for each
metering mode with a Custom Function
Manual: With AE lock button
Movie recording: With AE lock button
Available (viewfinder shooting)
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