Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 953)

Exposure control
Metering mode
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
Metering brightness range
Viewfinder shooting: EV 0 to 20 (at room temperature, ISO 100)
Live View shooting: EV –3 to 20 (at room temperature, ISO 100)
Movie recording: EV –1 to 20 (at room temperature, ISO 100)
Shooting mode
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)
ISO speed (recommended exposure
index)
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
ISO speed settings
Still photo shooting:
ISO speed range, Auto range, Minimum shutter speed
Movie recording:
ISO speed range, Max for Auto
Exposure compensation
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)
AE lock
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
Flicker reduction Available (viewfinder shooting)
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