Canon EOS 5DS Instruction Manual page 128

3 Customizing AF FunctionsN
Initial AF Point,
You can set the AI Servo AF's starting AF point for when the AF area
selection mode is set to Auto selection: 61 pt AF.
: Manual
If you switch from Manual select.:Spot AF, Manual selection:1 pt AF,
Expand AF area:
61 pt AF, AI Servo AF will start with the AF point that was manually
selected before the switch. Convenient if you want AI Servo AF to
start with the AF point which was selected before the AF area
selection mode was switched to Auto selection: 61 pt AF.
After you set the AF area selection mode to Auto selection: 61 pt AF
with the [83: Custom Controls] menu's [Metering and AF start]
(p.418), [Switch to registered AF func.] (p.420), or [Register/
recall shooting func] (p.425), you can press the assigned button
during Manual select: Spot AF, Manual selection: 1 pt AF, Expand
AF area: , or Expand AF area: Surround to switch to AI Servo AF
using Auto selection: 61 pt AF instead of the AF point used
immediately before.
AUTO: Auto
The AF point which AI Servo AF starts with is set automatically to
suit the shooting conditions.
When [Manual
that corresponds to the manually selected AF point, even if you switch AF
area selection mode to Zone AF (manual selection of zone).
128
AI Servo AF
: Initial
AI Servo AF will start with the
manually-selected AF point when the
AF operation is set to AI Servo AF
and the AF area selection mode is set
to Auto selection: 61 pt AF.
AF pt
, or Expand AF area:Surround to Auto selection:
AF pt] is set, AI Servo AF will start with the zone
AF pt selected