Pentax digital spotmeter Manuel utilisateur
DIGITAL
SPOTMETER
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ISPECIFICATIONS
L
MeasuringRange:
Scales:
Measuring
Angle:
MeasuringDistances:
MeasuringMethod:
Exposure
Read-Out:
Photosensitive
Cell:
Power
Source:
Battery
Check:
(100
ASA)EV 1
- 20 (EV
20displayed
as
"0").
ASA,6 - 6400;Shutter
Speed,ll4OOOsec.
- 4 min.;
Aperture,f
l1 - 128;
EVNumber,l
-19-213;
lRE,
1- 10.
1"_
From
about1.5mto infinity
- f
ixed
focal
length.
(Focusing
downto about
1m
possible
by screwingtheeyepiece
out
as
far
as
itwillgo).
Spot
rrreasuring
of reflectedlight.
(Meter
switcheson when
button pressed).
LED
digitaldisplayof EV Numbers
(100
ASA),
and
up
to two
dots
(each
of
whichequals
+ 1/3
EV).
Silicon
Photo
Diode
One6V silver
oxide
battery
(No.
544or equivalent)
or No. 537
alkalinebattery.
Failure
of LED
digitaldisplayto illurninate
indicates
battery
needs
replacing.
-\
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Viewfinder:
F
ilterSize:
Dimensions:
Weight:
Additional:
Pentaprism
type
with unreversed,laterallycorrect
image.Objectiveand
eyepiecelensesSuper-Multi-Coatedand
pentaprism
speciallysilvered
for
brilliant
viewfinderimage.
Even
illuminationachieved
with f
inely
grooved
fresnellens.1ospotindicatedincenter
of viewfinder,andlarge
LED Panel
appearsat
thebottom.
Viewfindercoveragesimilar
inshapeto that of a 35mm
SLR,
and
with adiagonal
f
ieldof view
of 26"
,horizontal
f
ieldof 22"
,and
verticalf
ield
of14",
adjustable
eyepiece
of -2 Lo
+1 diopter.
40.5mm.
44mm(D)x 144mm(H)
x B3mm(W).
25Bg
(withbattery).
Equipped
with Tripod
Socket,
supplied
with case,WristStrap,
battery,and
LensCap.
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NOMENCLATUR
E
Objective
Lens'-- *-^j
Metering
Button "*'-'
ASA lndex
ASA Scale
ASA/Shutter
Speed
Dial
- Shutter
SpeedScale
---
Aperture
Scale
Aperture/EVNo.Dial
*-'-
EV No.
Scale
lR
E
Scale
lR
EStandard
Index
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Battery
Chamber
Cover
Tripod Socket
Wrist
Strap
Eyelet
EyepieceAdjustment
Lock
Ring
Eyepiece
Lens
Eyepiece
(R
ubber)
Frame
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ISPECIAL
FEATURES
1. Small
enough
to be
pocketable.
2. Lightenough
to carry
anywhere.
3. Strongly
resistant
to shock
(no
moving
parts
in
exposuremeasurement
system).
4. LEDdigitaldisplayvisibleunder
any lighting
co
nd
ition.
5. Can
follow the
fastest
actionandwork inthe
dimmestsurroundings
becauseof the
instantaneousresoonse
of the
Silicon
Photo
Diode.
6. Human
engineeredfor theperfect
grip
and
optimumhandling
ease.
7. Objective
and
eyepiece
lenses
Super-Multi-
Coatedand
pentaprism
specially
silvered
for
brilliant
viewing.
8. StabilizerCircuiteliminates
LED
f
licker
for
comfortableviewino.
9. Digitaldisplay
exceptionallylargefor viewing
ease.
10. Digital
display
(EV
No.,
100ASA)
given
in 1/3
EV stepsto match
the
ASA, ShutterSpeed,
Aperture,and
EV No.
Scales
for precise
and
easy
to make
settings.
11
. Theminute1o
angleof view
of theD
igital
Spotmeter
isequivalent
to a
40 power
ultra-
telephotolens,
making
it possible
to take
accurate
exoosu
re measurernentsof
adistantsubject.
12. Onlywith a spotmeterisit possible
to separately
measure
allof thetonesof a
given
subject,from
the brightesthighlight
to thedarkestshadow.
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BATTER
IES
Illust.
5, Rotatecounterclockwise
with acoin
and
remove
the BatteryChamber
Cover
O
found
on thebase
plate
of the
Grip.
Illust.
6, Insert,
plus-side-down,
a 6V silver
oxide
battery
(No.
544or equivalent)
or a No.
537
alkalinebatteryintothe Battery
Chamber,and
replacecover
(minus
side
of battery
faces
cover).
A Batterv
CheckCircuitisconnected
to the LED
digitaldisplaysothat
illumination
of thedisplay
indicates
battery
condition
is
good.
lf the
digital
display
appears
f
aintor
f
ails
to illuminate,
the
batteryshouldimmediately
be
replaced.
Battery
lifeisconsiderable,
and
even
with constant
use
the battery
should
last
a year;
nevertheless,it is
alwaysadvisableto carry
a sparebatteryto be
prepared
for emergencies.
Electricity
will
not
be
consumed
aslongas
theMetering
Button isnot pressed,
evenwhen
lightenterstheObjectiveLens.
However,
even
whennot used,maximum battery
lif
e is
two years.
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OUTLINEOFOPERATING
PROCEDURE
Illust.
T
& B,
While
looking
through
the
viewfinder
(
@, illust.
B)
at
adistant
object,rotate
counter-
clockwise
the
Eyepiece
Adjustment
Lock
Ring
(@,
illust.
B
& 9)
untilthe
smallcirclein
thecenter
of
the
viewf
inder
(i
o
spot)
appearssharp.Next,
squeeze
the
Metering
Button
(@, illust.
1
1
)
to
determinewhether
the
digital
display
(illust.
7)
alsoappears
sharp.lf it
doesnot
appearsharp,
7
readjust
theEyepiece
Adjustment
Lock R
ingto
a
midway
point
so
that
boththe
digital
display
and
1o
spotappearreasonably
sharp.
Illust.
9, After
adjusting
the
eyepiecef
or maximum
sharpness,hold
therubber
Eyepiece
Frame
securely
(@, illust.
9) so
thatit
does
not
move,
and
lock
it into
place
by rotating
theEyepice
Adjustment
LockRing
(@, illust.
g) clockwise
8
7
\
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until it stops.When someone
elseis
to use
the
spotmeter, rotate the Eyepiece Adjustment Lock
R
ing counterc
lockw iseto loosen eyep
iece,
readjust
eyepiece,
and lock it into place
once again.
Illust.
10, Align the ASA No. of the f
ilm being
usedwith the
green
ASA lndex (@, illust.1O)
by
rotating
the ASA/Shutter Speed Dial (@) which
isclose
to the front of the lens @ . The f
igures
of the ASA Scale
also
appear in green.
I 10
Illust. 11
, While holding the spotmeter up to your
eye,
alignthe 1" spot in the center
of the viewf
inder
with the part of the subject you wish to measure.
Sq
ueeze
the Metering Button and an LE
D d
igital
display
will appear.
In illust J, Ihedigitaldisplay
indicates
13-213
EV; it a single
dot appeared, it
would indicate13-1
13
EV, and if no dot appeared,
it wou ld indicate
exactlv 13 EV.
11
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