Nikon D7000 - Manual (Page 120)

100
N
❚❚The Electronic Rangefinder
If the lens has a maximum aperture of f/5.6 or faster,
the viewfinder focus indicator can be used to confirm
whether the subject in the selected focus point is in
focus (the focus point can be selected from any of the
39 focus points). After positioning the subject in the
selected focus point, press the shutter-release button
halfway and rotate the lens focus ring until the in-
focus indicator (
I) is displayed. Note that with the
subjects listed on page 93, the in-focus indicator may
sometimes be displayed when the subject is not in
focus; confirm focus in the viewfinder before shooting.
A
Focal Plane Position
To determine the distance between your subject and the
camera, measure from the focal plane mark on the camera
body. The distance between the lens mounting flange and
the focal plane is 46.5 mm (1.83 in.).
Focal plane mark
46.5 mm