Light meters
Metraphot light meters User manual
User manual for Metraphot light meters. 13 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Metraphot
- Model / document
- Metraphot light meters
- Document type
- User manual
- Language
- English
- Pages
- 13
- File size
- 1.2 MB
- Category
- Light meters
- Document date
- Not specified in catalog
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Page 3 · Read text
THEADVANTAGESOF THE @
Ouickesl aulomalic mealuremenf
of exposure time ond diophrogm stops by meons
of our long-opproved chcnnel scqle
Automotic eomputotion of film speed t
Lorge qnd eosily to be reod time- qnd f,/stop
figure s :
Accurqtely sub-divided ASA qnd DIN scqles
-' No inconvenient trqnsfer of scqle vqlues to c
computer
To be fixed on all camerar with viewfinder-clip
thot meons: simplest hondling ond rapid meqs-
urement
The exposure meqsurement hss become only cr
mcnipulqtion on the cqnrero !
For ectmeros without viewfinder-clip cr model to
be used by hcnd is slso qvoilqble
thodrproof
by spring supported meosuring system
Maxlmum meaiuring range
When odjusting f B ond 24 ASA (16110DIN)
following shutter speeds con be mecrsured:
with super-sensitive element (3mecsuring-ronges):
from 60 sec. to 1/1000sec.
without super- sensitive element (2 meosuring rong- -
es): from 4 sec. to 111000sec.
Alreody in the first chonnel of the seqle qceurqte
reoding by omple deflection of the needle
2
www.orphancameras.comView original page 3Page 4 · Read text
THEADYANTAGESOF THE W
Mearurement of fainfert tighi
is rendered possible by the supplementqry super-
sensitive element (DRP) thereby increosing the
sensitivity 76 times
Narrow viewing angle
smqller thqn the viewing ongle of the stondqrcl
cqmero lenses: cotches hold of the importqnt
port of the subject
AIso the super-sensitiveelement is provided with
c limitqtion of the viewing ongle
A meler wilh mem ory
Meqsured exposure volues qnd film speed qre
retqined
Correclly exposed color photographr
by color-true pho*o-e,lectrrccell
Beaufiful-shaped, small, light
with sotin-chrome ploted metql cose, suited to
qll modern ccrmercrtypes in good style
Dimensions 2' ,'r"X 1 ', ," XL" , weight 2t,tzoz.
M o d e l M F
with odoptoble foot plote to be fixed on oil
eomercts with ronge-vrewfinder clip (see poge 9)
and with the interncrtionql shutter speeds
Model M F/L
with the former Leicq shutter speeds
Model MR
with leqther strcp for use by hsnd, for comerqs
without rqnge-viewfinder clip
M o d e l MR'K a n d MF K
for cine cqmerctsView original page 4Page 5 · Read text
T}IEPRINCIPTEOF THE
The light reflected from the subject enters through cr
window and cr deep light chqnnel upon the Selenium
cell which trqnsforms the incoming light energy into
electricql energy. The lqtter is indicoted by c built-in
microcmmeter. Two meqsuring rctnges ctre obtcined
by c flop which is built into the light chqnnel.
The light chqnnel permits crn angle of view for both
meqsuring rqnges which is considerobly smsller thqn
the field of view of stqndqrd ccrmercr lenses, which
permits pcrticularly qccurqte meqsurement, since only
the importont pcrts of the subject ore used for the
meosurement.
The photo-electric cell records colortrue vqlues.
A speciql spring qrrcrngement mqkes the measuring
element of bighest electricql sensitivity immune to
mechqnicl shocks.
4
www.orphancameras.comView original page 5Page 6 · Read text
SUPER SENSITIVE ETEMENT rDRPf
B e f o r e i n s e r t i n g
p r e s s r e d b u l t o n
For messurements under extremely weak light eon-
ditons q supplementory super-sensitive element cctn be
inserted into the contqct slider. The light sensitivity is
thereby increased 16 tames. The super-sensitive element
hqs cr dicphrqgm consistent with the angle of view in
order to eliminqte undesirqble side light.
The super-sensitive element is used only when light
conditions ctre such thot pictures cctn no longer be
token by hqnd even thoug films of highest speed crnd
lenses of mqximum operture ore employed.View original page 6Page 7 · Read text
DIRECTIONS FOR usE
Turn the inner disc to q position corresponding to the
speed of the film (Americqn ASA or Germon DIN).
This setting needs only be chqnged when cr film of cr
clifferent speed is used in the comerq.
MEASUREMENT
Measuring Range I Y
The ligh.t entrqnce window of the meter is directed
towords the subject snd the morking Y'theon the outer knurled scale is turned opposite blcck
or white chqnnel in line with the needle. This
will outomaticolly set the required F stop qs well
crs the correct exposure time.
Measuring Range ll V
Under poor light conditions the lever (see illus-
trqtion) is turned to position V qnd the morking
on the knurled sccle ring " is turned opposite V'
the blqck or white chqniel in line witrr the
needle.
c o n l a c t s l i d e r
f o r l h e s u p e r
s e n s i t i v e e l e m e n t
/
IIII l e v e r
www.orphancameras.comView original page 7Page 8 · Read text
DIRECTIONS FOR usE
Mearuring Range I I I V
(Necessor! only for extremely weok right con-
ditions). After the super-sensitive element hqs
been inserted, the index mqrk is used in the V qbove. sctme wqy qs described
Position of the lever beeomes immateriql.
Toke core not to eover up the light entrqnee
window.
The qppropriqte f/stops ond shutter speeds cqn
still be reqd even qfter the Metrcphot is no
longer pointed to the obiect to be photoprophed.
when using Metraphol for cinti camerar, Model
MR/K qnd MF/K, the selected oction vqlue hos
to be odjusted first by turning the outer knurled
seqle to the index mark eorresponding to the
meqsurilq range. The chqnnel belonging to the
needle deflection then will point to the flstop to
be used.
U S E O F F I L I E R S
The extending coefficient given for the tilter mqy
be tqken into crccount either by chonging tha
f/stop or by extending the shutter time.
F o r i n s t o n c e :
Shutter time meosured 1/50 sec. of f/g
Extending _coefficient of the filter 2
Cqmerc odiustment: either 1/50sec. qt fi5,6 or ll25 sec. of f/g
Z E R O - S E T A D J U S I M E N T
The Metraphot hqs q zero-set cdjustment to
compensqte for possible chcnges in the zero
position of the needle. The slotted serew which
is underneoth the bqse plote con be turned with
cr smoll screw driver either to the right or left,
so thqt the needle will eome to rest on zero. The
exposure meter hcs to be held level and the light
entrqnce window must be eovered.View original page 8Page 9 · Read text
PRACTICAI. r{tNTs
AD AP T T o No F T H E ' W F o o T
P L A T E T O T I { E C A M E R A
In order to tqke into qccount the different posi-
tions of the rqnge-viewfinder clip on the vorious
ecrmerc types the foot plcte of the Metrophot,
Model MF, ccrn be removed by loosening two
serews and it may be repositioned cs required
in different plcces of the base plote. Insteqd of
the standard foot plate cn elevaled special fool
plate mqy be fixed on the bose plote by the
sqme serews. Your photo-deoler will supply on
desire this speciol foot plote free of chorge.
The opposite
.i"'t, @ o)I illustrqtion indi-
,-lO-, with t ...7 cates 6
I the vorious ,_Ol @ ,-oll''-rq^'3I ,Qr pcirs of screw I), )4,' I r0,1 (O I holes in the ro (Or @
7I bqseused plotefor fixingto be tQ, @ the foot plote.
You will find on the following pqges q list of
ccrmercr models on which the Metrophot eon be
fixed. For eqch eqmero the poir of screw holes
is stoted in which the foot plote of the Metrophot
must be fqstened.
After chonging the foot plote position the fixing
screws hqve to be tightened fostly.
www.orphancameras.comView original page 9Page 10 · Read text
PRACTICA HINTS
By mecns of the standard foot plate the Metrophot
ccrn be fixed on the following cqmerc types:
Pair of
Camera Manufacturer screw holes
Adox Sport Adox
Agfc Isolette II, V Agj"
Agfa Isolette 1331 ,,
Agfc Ksrat 36 ,, Agfo Korqt 2A77
Agfc Silette 1335
Akorette I, II ;;
Akqrex
Alpc Alnea 4, 5, 7 Pignons (Schweiz)
Bessc I Voigtlcinder *) Bessq II
Biloro Rodix (atypes) Ki.irbi & Niggeloh
Diqx I vo;s
Diqx Is, II
Finetta IV D Finettc Werk
Finetta 99
Iloka Quick IIokc,, Ilokc Ropid
t l l Ilokc Stereo II
Leicq II, ilI Leitz
Lordox 24x36 Widinq
Nqvcrx Westf. Kqmero- u.
Apporqtebou
Perkeo I, II Voigtlcinder *) Prominent
Retina I, II Kodok
Regulo IC, IP, il King
Reko Ki.ihn *) Vito II Voigtlcinder *) ,, Vito III
Wenka Wenk
*) These comera types cdditionclly need the viewfinder
clip supplied from the firm of Voigtlcinder.
9View original page 10Page 11 · Read text
PRACT c A H NTS
With the elevoted special foot plate the Metrophot cqn
be set on following cqmercr types:
Pair of
Camera Manufaclurer screw holer
Agfc Isolette III Agfa 5
Agfa Record III " 5
Agfa Solinette II " 6
Boldolux Boldc 6
Boldinette , 1 5 Boldini ,, 5
Contax IIcr Zeiss Ikon 5
Dqcoro Doeo 3
Finetta Super Finetta Werk 6
Ikontq II 6x6 Zeiss1 ' Ikon 5
Ikontq II 6x9 2 Ikontq 24x36 ,, 5 ,, Me8-Ikontq 6x6 1 : 5
l,iel3-Ikoniu 6x9 2 ,, Nettqr II 5x6 5
Nettqr II 6x9 ,, 2
Norca III, ry Broun 3 Poxette ,, 6 Poxinq II ,, 5
Robot IIa Berning 2
Solida III Frqnkq 7
Super Ikontq Zeiss Ikon 3
Ucoflex' Uca 3
The existing poirs of holes moy qlso be used for other
cctmerct types not mentioned herein.
There is no chcnge of dust entering into the Metrophot
through the open serew holes.
The foot plcte hqs the stqndord dimensions. However
sometimes the view finder clip on the comera is c little
lorge so thot the Metrophot does not fit snugly. This
cqn be odjusted by pressing the viewfinder clip together.
10
www.orphancameras.comView original page 11Page 12 · Read text
PRACTICAT HINTS
Exdtange of bare plate and rcalor
In ccrse of need your photo deqler ccrn subse-
quently convert Model MR (with leqther strap for
use by hond) to Model MF (with foot plate to
be fixed on the cqmera) *- ond on the contrqry -
by simply exchqnging the bose plote.
A subsequent olterqtion of Model MF to the
Leieq speeicl Model MFrL with the former shutter
speeds of the Leica is possible by exchanging
the scqles.
Pleqse see your photo deqler in this mqtter !
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