Taking Photographs
Focus Point Selection and Aperture
The focus points available vary with the maximum aperture of the lens.
Maximum aperture f/5.6 or faster: Focus 
point selection is supported with all 
51 points: 15 cross sensors (
) at the 
center of the display and 18 line sensors
(
) on either side.
Maximum aperture slower than f/5.6 but faster than f/8 (e.g., a lens with a maxi- mum aperture of f/4 on a
teleconverter): Focus point selection is 
supported with 15 points: 9 cross sen- sors at the center of the display and 3 line sensors on either side.
Maximum aperture f/8 (e.g., a lens with a maximum aperture of f/4 on a
supported with 11 points: a cross sen-
sor at the center of the display, 4 line
sensors on either side, and 1 line sen- sor above and below. The four points shown by 
symbols are available only for
40
