Nikon F Photomic-T - Automatic Lens Aperture Control; Presetting Aperture and Preview

PRE.SETECTING
AUTOMATIC
IENS APER,TURE
Interchongeqble
Auto-Nikkor
f
rom 28 mm through 600
mm
(except
105
mm F/4) ond
Auto-Zoom
Nikkor
lenses
(see
p.
32)
ore
de-
signed so
thot the diophrogm
outomoticolly
closes
down
to the
preselected operture when
ihe
shutter
button
is depressed.
The
diophrogm
ouiomoticolly
reopens
to full
operture
immediotely
ofter
the
shutter
hos been
releosed. Consequently,
the finder
imoge
is
seen
bright ond
cleor
ot oll
times except
ot
the instont
the shutter
is releosed.
To
presei
the operture,
turn
ihe operture
ring
on
ihe
lens borrel
until
the
desired
F-number
is
opposite
the
block
indicotor
dot on
the
milled ring.
The diophrogm
c<:n
be
preset
for
intermediole
openings-between
morkings-ond
it
will
function
without
disturb-
ing the setting.
A button
(Depth-of-field
Preview Control)
is
provided
on
the front
of
fhe
comero
to
permit
monuol
stop-
down
of
the diophrogm
to
the
preselected operture. When
this
button
is releosed, the diophrogm
reopens
to full operlure
(see
p. l7).
I
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