Manual Focus - Nikon F3AF Instruction Manual

Manual Focus (Using the Matte Portion of the Focusing Screen)
Manual focus is required in the following cases: 1) when the
Note : With the A-M switch on the AF-Nikkor fens set at A, you cannot
batteries in the DX-1 finder are exhausted , 2) when you are
shift the fens distance setting by turning the focusing ring.
using a lens which cannot provide autofocus or focus-aid oper-
ation, 3) when the focus-impossible warning blinks or lights up
continuously, or 4) when you simply want to focus the lens your-
self. With an AF-Nikkor lens, set the A-M switch
@l
to M; then
turn the lens focusing ring until the image on the matte portion
of the screen inside the viewfinder looks sharp and clear. With
all other lenses, rotate the focu sing ring in the normal manner.
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