The Number And Placement Of Cross-Type Points When Using F/2.8 Lenses; 61-Point Af - Canon EOS-1DX MARK II Settings Manual
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Also See for EOS-1DX MARK II:
- Advanced user's manual (961 pages) ,
- Instruction manual (436 pages) ,
- Af setting manualbook (138 pages)
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61-point AF (1)
The number and placement of
cross-type points when using
f/2.8 lenses
41-point cross-type AF points and 5 Dual Cross
-f/2.8 AF points can be used with many lenses
Most wide-aperture lenses with a maximum aperture up
to f/2.8 are in Group A. With this group, the five vertical
f/2.8 dual-cross AF points, and the left and right f/4 and
f/5.6 cross-type AF points (20 points) can be used. There
are a total of 41 cross-type points including the f/5.6
cross-type points. (All 61 AF points can be used with
Group A lenses; the remaining AF points function with
single-line coverage at the AF sensor.)
Lenses with a maximum aperture of f/2.8 in Group B,
will only have a single f/2.8 dual-cross AF point in the
center.
EF400mm F2.8L IS II USM
EF85mm F1.2L II USM
80
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