Nikon COOLPIX 900 User Manual page 18

Through the Viewfinder
[1] Macro close-up field-of-view
Use this frame when composing photographs with focus set to
macro close-up (appropriate at ranges of 8cm–50cm, or 3˝–20˝)
[2] Focus point indicator
For best autofocus results, compose photograph with subject at
focus point
[3] Field of view at ranges of 50cm (20˝) to infinity
8
[1]
[3]
Parts and Accessories: Parts of the COOLPIX 900
[2]