Nikon D6 Reference Manual page 1095

Teleconverter
TC-17E II
TC-800-1.25E ED
TC-20E, TC-20E II, TC-20E III
TC-14E, TC-14E II, TC-14E III
1 At maximum zoom, in the case of zoom lenses.
2 Other focus points use line sensors, which detect horizontal lines.
Autofocus is not available when teleconverters are used with AF-S VR
Micro-Nikkor 105mm f/2.8G IF-ED lenses.
Available focus points
Max. lens
(cross-sensor focus points
1
aperture
f/4
f/5.6
•
23 focus points
•
9 cross sensors
f/4
f/5.6
•
15 focus points
•
1 cross sensor
highlighted in gray
Compatible F Mount Lenses
2
)
1043