Light meters
Sekonic TO L-256D User manual
User manual for Sekonic TO L-256D. 28 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Sekonic
- Model / document
- Sekonic TO L-256D
- Document type
- User manual
- Language
- English
- Pages
- 28
- File size
- 2.2 MB
- Category
- Light meters
- Document date
- Not specified in catalog
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Page 3 · Read text
-iI
Readthis instructionbooklet on
the Sekonic FlashMeter L-256D
carefully. With proper applica-
tion of these techniques, you
will be able to evaluate the
improvementin your first roll of
film.
www.orphancameras.com '.;rr..,4{r ii.jView original page 3Page 5 · Read text
FACTS ABOUT YOUR
SEKONICL.256 FLASH METER
1 . The Sekonic F lash Meter is an
advanced model of the famous
Sekonic Stud io Meter Series. lt
is designed for easy i nstan-
taneous flash metering.
2 . The F lash Meter is a durable
met er d esigned fo r years of re-
liable service. lt contains superi-
or electron ic components and
circu its f or greater reliability.
3. The F lash Meter contains a sili-
con diode light sensor for in-
stantaneous response to light
(10 micro-sec.), greater stability
and extreme accuracy in light
measurement.
4. Th is meter is not on ly designed
for flash metering, but can also
be used for incident light and
reflected light metering.
5. The meter works with or with-
out a sync-cord. Wireless meas-
urement makes operation very
easy and you can work without
the restrictions of limited cord
d istance. Of course, you can use
a sync-cord wherever you so
d esire.
6. The meter pointer will hold
the light reading for a m in ute
d uration. lt then wil I auto-
matically cancel the reading for
the next light measurement.
7 . F or special app I ications, th is
meter works as a slave unit for
your add itional electronic f lash.
2
www.orphancameras.comView original page 5Page 7 · Read text
NAME OF PARTS
( 1 ) Lumisphere
l2l L Mark
(3) H Mark
l4l White dot mark
(5) Light Scale
(6) Meter pointer
17l Battery check mark
(8) Measurement switch
(e) Dial light scale
( 1 0 ) Ridges for film speed
( 1 1 ) Calculatordial AH mark
n2l Calculatordial AL mark
( 1 3 ) DIN scale
114l ASA scale
( 1 5 ) FLASH INDICATOR
(16) SHUTTER scale(for normal exp. reading)
117l f/number
( 1 8 ) Slide switch marks
( 1 e )Slide switch
Lumidisc Rellected-li ght fi lter
4
www.orphancameras.comView original page 7Page 8 · Read text
Sync-terminal(20)
Batterychambercover(21)
Battery check switch (22)
Zero adiustmentscrew (23)
Tri-pod threading (24)
Neck strap ring (25)
Sync-cordView original page 8Page 10 · Read text
2. Checkthe Battery Move the slide switch to FLASH
or CORD-lN. Push the battery
check switch dorrun.
Check the battery before you use the
meter. A weak battery with low
voltage will not give correct light
readi ngs.
How to check the battery
(a) Turn the slide switch to
t h e F L A S H o r C O R D - I N
position.
( b ) P u s h t h e " B A T T E R Y
CHECK" switch on the
back of the meter in the
direction of the white ar-
row.
(c) The meter needle will
point to the battery check
mark on the light scale. lf
the needle fails to reach
the mark, the battery is
weak and should be re-
placed by a new one.
Adjust the pointer to zero by
turning the screw.
3. Zero setting adjustment
When the slide switch and measure-
ment switch are in the OFF position,
the pointer should be at zero. lf it
isn't, turn the zero adjustment screw
on the back until the position is on
zero,
To Adjust Turn gently with a
screw driver until the pointer comes
to the zero position.View original page 10Page 12 · Read text
4. Sync-Cord.
Use the accessory cords for wired
measurement.The meter comes with
one 20 foot sync-cord and two polar-
ization alternate cords (in black and
red).
REMARKS
* The external sleeve of the flash
meter sync terminal is the nega-
tive pole (-) and the inside re-
cepter is the positive pole (+).
* lf the polarization of the sync-
cord and the flash unit do not
match, the flash will not go off
when you push the measurement
switch of the meter. (Seepage 12
for operational i nstruction)
* Use the polarization alternate Red cord has Black cord has
cords when your flash unit has (+) pole on (-) pole on the
reversedpolarization to the meter the central pin, p t n .
term inal.
* lf the flash unit has the positive
pole (+) on the inside receptor
and negative (-) on the external
sleeve, use the red alternating
cord connected with the 20 foot
sync-cord.Or if your flash unit
has the negativepole on the inside
receptor and the positive pole on
the external sleeve,use the black
alternating cord connected with
the 20 ft. synccord.
* When the polarization of your
flash unit is unknown, try both
alternating cords and use the one
that works. tlddView original page 12Page 14 · Read text
(f) Transfer the meter reading to
the calculator dial after you fire
the f lashunit.
* When you use the "L"
range on the lumisphere,
match the green "L" mark
of the dial to the read-out
numbers.
* When you use the
range on the lumisphere,
match the red A"H" mark Point the meter toward the
of the dial to the readout camera from subject position.
numbers.
(s) Flash indicator opposite the ^ Fire the flash for measurement.
marks designates the correct Transfer the read out number
f/number to use. on the light scale to the calcula-
( h ) Don't be confused by the num- tor dial and read the number on
ber 125 which falls at the base the other side of the dial.
of the flash indicator. This shut-
ter speed number is for normal
exposuremeter readings.
( i ) For best light metering remem-
ber to place the meter as close
to the subject as possible and
point the meter toward the
camera. Keep the lumisphere
clean by washing with luke
warm water when it gets dirty.View original page 14Page 16 · Read text
Push the measurement switch
for f iring flash and simultaneous
reading of the exposure.
(g) To hold the reading automati-
cally for a minute, move the
slide switch from CORD-lN to
F LASH while depressing the
measuringswitch.
(h) Read the meter using previous
instructions.
Meter holds the pointer until
you release the measurement
switch.
fr,,d
While you push the measure-
ment switch, move the slide
switch to FLASH position to
hofd pointer automaticallv tor 2
minutes.
NOTE:
Don't be concernedif your flash unit
should go off when you connect the
sync-cord to the meter or when you
move the slide switch to CORD-IN
from OFF while the cord is connect-
ed. There is nothing wrong with your
flash unit or the meter.View original page 16Page 18 · Read text
(d) Transfer the reading to the cal-
culator dial. When you use the
"L" range, match the green A
"L" mark of the dial to the read
out number. When you use the
"H" range, match the red "H"
mark of the dial to the read out
numbers.
(e) Flash indicator opposite the ^
mark ind icates the correct f /
number to use.
(f) Don't be confused by the num- Measure the light at the
ber 125 which falls at the base closest position to the
of the flash indicator. This shut- subject as possible.
ter speed number is for normal,
non-flash exposure meter read-
Ing. Transfer the read out number of
the light scale to the calculator
dial. Read the f/number on the
opposite side of the dial.View original page 18Page 19 · Read text
AS A NORMAL EXPOSUREMETER
FOR INCIDENT & REFLECTEDLIGHT
Measuring light as a normal ex-
posure meter
Mount the lumispherefor incident
light reading and the reflected-light
filter for reflected light reading. Re-
member with reflected light measur-
ing to set the f ilm sensitivity twice as
high as the film rating ASA.
Lumis p h e re f o r i n c i d e n t l i g ht
measurement.
Reflected-light filter for reflect-
ed light measurement.
Set ASA rwice as high as film
ratrng.
HOW TO MEASURE THE
LIGHT
(a) Set the slide switch to CORD-
lN. Don't attach the cord.
(b) Push the measurement switch
for light reading.The meter will
react instantly.
NOTE:
While pressingthe measurementSet the slide sruitch to CORD-tN. switch, the meter pointer don't
move from the first reading
even if the light ing condition
c h a n g e s .
(c) Read the number the pointer
shows and hold the measuring
swltch until you read the num-
ber or the pointer will return to
zero. (To hold the pointer auto-
matically switch the slide switch
Push the measurement switch to FLASH right after metering.
for exposure reading. The pointer will hold the read-
ing approximately a min- 16 .for
www.orphancameras.comute.lView original page 19Page 20 · Read text
( d) Transfer the reading to the cal-
culator dial. Match the mark
according to the lumisphere or
reflected-light filter mark.
Match the "L" mark when the
sphereor filter is set to "L" and
match the "H" mark when the
sphere or filter is set to "H" Read out the number pressing
mark. the measurementswitch.
( e) Read out the shutter f/number
combinations at the bottom of
the calculatordial.
Transfer the read out number to
the calculator dial.
NOTE:
Don't be confused by the flash indi-
cator arrow. 1 l125th sec represents
one of the shutter speedsyou can use
with the combination of f/numbers.
You have a choice of shutter f/num-
bers combinations from 1 second to
1 I2OOOsec and I l1 .4 to 128.
Read the combination of the
shutter speed and f/numbers.
Move the slide switch to FLASH
to hold the pointer.View original page 20Page 21 · Read text
I L LUM INAT ION
& CONTRAST MEASUREMENT
You can measure the illumination
Mount the lumidisc for contrast contrast between the main light and
measurement. fill-in light to control the illumina-
tion contrast. (With the use of the
lum id isc)
HOW TO MEASURE ILLUMI.
NATION CONTRAST
(a) Mount the LUMIDISC to the
meter body, following the same
procedure f or the Lumisphere
or the reflected-lightfilter.
(b) Meter operation with or without
the sync-cord is the same as
ihcident light measurement.
Take the ratio of the readingat
the high light and shadow.
www.orphancameras.comView original page 21Page 22 · Read text
ILLUMINANCEMEASUREMENT
How to measure the illuminance Set the slide switch to CORD-lN
( l u x ) w i t h t h e L U M I D I S C . T h e m e t e r for illumination measurement
can be used as an illuminancemeter with lum idisc.
with Lumidisc.
MEASUREMENTPROCEDURE
( a ) M o u n t t h e L U M I D I S C t o t h e
meter.
(b) Put the slide switch to CORD-
lN. Face the meter directly to-
ward the light source and press
the measurement switch. (Oo
not use cord for this measure-
mentl .
(c) Read out the light scalenumber.
Then convert into illuminance
units or lux from the table
below:
(d) When using "L" mark, read the
figure directly off the table.
Then multiply by 1l'125 and Face the meter to the light and
you get the Lux-sec. push the measurement switch
(e) When you set the LUMIDISC for metering.
to the "H" mark multiply the
resultson the table by 32. Then
multiply by 11125 and you get
the Lux-sec.
Meter 1 2 3 4 Scale
Lux | , 7 4 0 3,480 6 , 9 6 0 | 3,920
Meter 5 6 7 Scale
Lux 21,840 55,680| | 1 , 3 6 0View original page 22Page 23 · Read text
SPECIAL APPLICATIONS
1. As a slave unit
The meter sets off the addition-
al f lash unit synchronizing to This meter works as a slave unit for
the FLASH unit. your additional flash to synchronize
it to the main flash unit.
How to apply
(a) Mount the lumisphere to the
meter.
(b) Set the slide switch to FLASH
o r C O R D - l N .
(c) Connect the meter and addition-Use the lumisphere for s lave
unit application setting s l i d e al f lash unit with synccord.
(d) When you fire the main flashswitchto FLASH.
unit, the additional flash unit
fires simultaneously.
?o
www.orphancameras.comView original page 23Page 24 · Read text
EXAMPLE OF SPECIAL AP.
PLICATION
(a) Connect the meter to the addi-
tional flash unit with sync-cord.
The meter synchronizesthe ad-,L fi ditional flash unit to the main
- F LASH unit.
,*
Ii
-i# (bl Put the meter at the subject
-EI position connecting to the ad- ditional flash unit. Then you
can read the exposure of all the
lights simultaneously. In this
case, set the slide switch to
FLASH.-lft thet The f lash meter measuresall
light simultaneously,including
* the slaveunit.
.":i*.a&E{d#ee; .lde{a&sr;*,4i&il ;ee:,., x "" "*View original page 24Page 26 · Read text
(1) store the meter in a dry place. when your meter fails to function
l2l Keep the lumisphere and lumi- properly bring it to a copal Service
disc clean. When dirty, wash Station.
them with soapF in"' lukewarm When you return a meter for repair, water.
(3) AvoiJ storagewith metals, elec- pack it with specialpacking materials
trical parts or chemicals. to protect it'
Al Avoid shocking the meter.
,,*;E;**.,,*,t';;i*'ir. :..., i :,,ddgs6 .-r];]. " *View original page 26Page 28 · Read text
Sole Export Agent: COPAL COMPANY LIMITED Shimura2- 16-20, ltabashi-ku,Tokyo, Japan Telephone:Tokyo965-1 1 1 1, Telex: J24521COPALSUN, Cable: COPALSHUTTERTOKYO COPAL CORPORATION OF AMERICA 58-25QueensBlvd., Woodside,New York 11377, U.S.A. Telephone: 212/ 672-9 100, Telex: 422226 HAGO Ul, 146342 HAGO NYK, Cable:HARRYGOCHONEWYORK COPAL CORPORATION OF AMERICA, LOS ANGELES DIV., 2201OSouthWilmingtonAvenue, Carson California9OT45, U.S.A. Telephone: 21 3/ 83O-4522 Telex: 688482 COPAL LA CRSN COPAL EUROPE GMBH Spaldingstr.110, 2000 Hamburg1, West Germany Telephone:O4O/280 13 45 felex: 2163493 COPL D Cable: COPALSHUTTERHAMBURG COPAL (XOruE KONG) LIMITED Room 1119, Tung Ying Bldg., 100 NathanRoad, Kowloon,Hong Kong Telephone: K-676225, Telex: 84048 COPAL HX Cable: COPAL HONGKONG Manufacturer: SEKONIC CO., LTD. 558, Oizumigakuen-cho,Nerima-ku,Tokyo, JapanView original page 28
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