Technical data

--Index
-
pre.*et
A~evture Rins
A-M Ring
Index
-',6"%$e Rins
Manual
Aperture Rlng
Pre-Set Aperture and Checking of Lana wlth Manual Aperture Ring
Depth-of-Field a Pre.settin~ of aperture : Set the desired
ens with A-M Rin~
Pre.Setting of Aperture: Set the A.M ring
at
"A". Then set the desired F stop on
the
pre.set aperture ring to the index. 'The
diaphragm will close down to the pre-set
F stop
onlv for the instant that the shutter is released.
~xiept for the instant that the shutter is re.
leased, the diaphragm will remain fully open.
r? Manually Operated Aperture : When the
K . A-M ring is set at "Mu the diaphragm
closes down to the pre.set F stop. In this way
the
deoth-of-field at the time of shutter release
can be'checked. When the A.M ring is reset at
A" the diaphragm again returns to maximum
opening.
fi
F stop onthe pie-set aperture ring to the
index. Then set the index of the manual aper-
ture
rim to this ore.set F stoo. The dia.
phragm will~ciose dokn to thepie-set F stop
only for the instant that the shutter is released.
Manually Operated Aperture: When the
2 manual aperture ring is turned in the
direction of closing down the diaphragm, after
setting the desired-F stop on the
pre-set aper.
ture ring to the index, the diaphragm will close
down
to the ars.set F stoo and the deoth-of.
~- ~~ - ~~~ -~ -
field can be checked. he manual adekure
ring cannot be turned when set at maximum
aperture opening.
q Refer to pages 34-35 concerning depth.of.
field.