Nikon D5 - Manual (Page 122)

100
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AF-S/AF-I Teleconverters and Available Focus Points
When an AF-S or AF-I teleconverter is attached, the focus points shown
in the illustrations can be used for autofocus and electronic
rangefinding (note that at maximum combined apertures slower than
f/5.6, the camera may not be able to focus on dark or low-contrast
subjects).
Teleconverter
Max. lens
aperture 1
Available focus points (cross-sensor
focus points highlighted in gray 2 )
TC-14E, TC-14E II, TC-14E III
TC-17E II
TC-20E, TC-20E II, TC-20E III
f/2
153 focus points (55 selectable)
with 99 cross sensors
TC-14E, TC-14E II, TC-14E III f/2.8
TC-17E II
TC-20E, TC-20E II, TC-20E III
f/2.8
153 focus points (55 selectable)
with 45 cross sensors
TC-14E, TC-14E II, TC-14E III f/4
TC-17E II f/4
37 focus points (17 selectable)
with 25 cross sensors
TC-800-1.25E ED f/5.6
TC-20E, TC-20E II, TC-20E III f/4
15 focus points (9 selectable)
with 5 cross sensors
TC-14E, TC-14E II, TC-14E III f/5.6
1 At maximum zoom, in the case of zoom lenses.
2 Other focus points use line sensors, which detect
horizontal lines, but note that if there are only 5
cross sensors, only those shown by
■ detect
vertical lines.
Autofocus is not available when teleconverters are used with AF-S VR
Micro-Nikkor 105mm f/2.8G IF-ED lenses.