Canon EOS 5DS User Manual download pdf (Page 88)

Lenses and Usable AF Points

AF is possible with the center AF point and the adjacent AF points above,

below, on the left, and on the right. Only the following AF area selection

modes are selectable: Single-point AF (manual selection), Single-point Spot

AF (manual selection), and AF point expansion (manual selection ).

If an Extender is attached to the lens and the maximum aperture is f/8

(between f/5.6 and f/8), AF will be possible.

: Cross-type AF point. Subject

tracking is superior and high-

precision focusing is achieved.

: AF points sensitive to vertical lines

(top and bottom AF points adjacent

to the center AF point) or horizontal

lines (left and right AF points

adjacent to the center AF point).

Not manually selectable. It works

only when “AF point expansion

(manual selection )” is selected.

: Disabled AF points (not displayed).

Autofocusing with 61 points is possible. All the AF area selection modes

are selectable.

: Cross-type AF point. Subject

tracking is superior and high-

precision focusing is achieved.

AF points sensitive to horizontal lines

Group H

Group I

 If the maximum aperture is smaller than f/5.6 (maximum aperture

number is between f/5.6 and f/8), focus may not be achieved with AF

when shooting low-contrast or low-light subjects.

 When Extender EF2x is attached to the EF180mm f/3.5L Macro USM

lens, AF is not possible.

 If the maximum aperture is smaller than f/8 (maximum aperture number

exceeds f/8), AF is not possible during viewfinder shooting.

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Canon EOS 5DS User Manual Page 88