ry+
MOVEMENT
oF
METER NEEDTE__,
JD
The
movenenl of lh€ mel.r
necdle
correrponds tg lhc movcment
of
thc operturc ring o5 w.ll o.
lo lhc
I
mgycmenl
of thc rhultcr
rpeod telector,
I
lf
fhc m.t.r n€.d|.
hopp.ni lo nov6 ditconllnuoutly
or lo rlop ond
connot b. tct oi ihc
c.nt.r, thi. do..
I
nol oly,oy. indicole molfun.ilon,
buf noy
r.3ull
fron
on€ of thc follo*ing courer
I
I
The combinction of dperlurc ond ihull.r !p€.d !.l.ctcd
moy bG loo
for oport ftom
lhe corrc.l on.
(too
fqr loword
th.
oppo3iic limitl within
thc .oupllng
rong€. R.!el
the 3huller .p.ed
t6-l/15
or
l/60
tec.
qnd
lurn lhe operlurc alng until fhe
nclcr negdlo telt
lo lh. cenlcr.
'
I
Extrcn. brighlncrr or dorknc.3
will .top lho needl. of
the meter ol zero
(on
the right endl, This thowt
thol the combinotion
of oporture ond ,huttcr rpc.d to br .el lo lhe exfren., comer-oul of th€ coupllng
rdngc of thc ncler. For exomple,
when uiing
l/1.4 lenr ond ASA 100 film, exporurci lc.. thqn F/1,4
'
qt
I i6c.
or
tnore
lhan
F/16
ot
l/1000
t.c.
qre
oul of thc cor/pling rqngo,
The l.q.t coupling brlghlnerr
vorier with thc
mor.
operture
of thc lenr in
uro.
For
cxomple, if the
F/1,4 lenr
ir roploced with rhc F/4 lenr, thc blightne3.
under F/4 ot
I rec, wlll be out of th. coupling
rongg of
lhe
nclcr.
t
-{
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