Nikon D3000 Reference Manual

132

g

Display a framing grid in the viewfinder or choose whether the exposure indicator in 
the viewfinder can be used as a focusing aid in manual focus mode.

❚❚Viewfinder Grid

Choose On to display on-demand grid lines in the viewfinder for 
reference when composing photographs.

❚❚Rangefinder

Choose On to use the exposure indicator to determine whether the camera is 
correctly focused in manual focus mode (

0 42; note that this function is not available 

in shooting mode M, when the exposure indicator instead shows whether the subject 
is correctly exposed).

G button

➜ B setup menu

Camera in focus.

Focus point is slightly 
behind subject.

Focus point is slightly in 
front of subject.

Focus point is well 
behind subject.

Focus point is well in 
front of subject.

Camera can not 
determine correct 
focus.

A

The electronic rangefinder requires a lens with a maximum aperture of f/5.6 or faster. The 
desired results may not be achieved in situations in which the camera would be unable to 
focus using autofocus (

0 42).