Light meters
Minolta PART TWO OF THE DEMONSTRATION User manual
User manual for Minolta PART TWO OF THE DEMONSTRATION. 27 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Minolta
- Model / document
- Minolta PART TWO OF THE DEMONSTRATION
- Document type
- User manual
- Language
- English
- Pages
- 27
- File size
- 4.4 MB
- Category
- Light meters
- Document date
- Not specified in catalog
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Page 4 · Read text
Contrast control
When the subject contrast exceedsthe latitudeof the film, shadowsor highlightsare
oftensacrificedthe composition(seepage 23).Both in the studioand out, lightingcan
be controlledto adjustsubjectcontrastwithoutlosingany detailin the picture.In the
scene at right,the outsideis brighterthan the inside(the contrastis high),and the
subject contrast exceedsthe film latitude.
lf the exposureis adjustedfor the outside,the model and car will be too dark as
shown in photoC at the bottomright.Similarly,if the exposureis adjustedto the inside,
the.outsidewill be grosslyoverexposed(photoB, bottom left). In such situations,
daylightsynchronizedflash* will add light and decreasethe contrast,producingphoto-
graphA. In short,additionallighting(flashlightin this case)lowersthe subjectcontrast
to withinthe film latitude.
Metered indoors, on face with
Metered outside (memorized) Metered indoors, on face synchronized flash
o 3
@ t f l b ^-;ffi'lr, ffi'1"r"-^-;
In the photograph(A)the natural(ambient)lightoutsideis metered,the flash is then
synchronizedto fill the shadowsinsideand lowerthe contrastto approximately2: 1 so
that the backgroundis slightlyoverexposed.Shadows(on the radiatorgrill),the model's
face and highlights(on the wall)werethen monitoredwith reflectedlightmetering.
Shadows monitored
'
ifrl,Fn F& ^
*jr-\N L i J.D? F ?"o""
*Daylight flash sync is a process is which sunlight (ambient light)and flash light are both used in
the exposure.The analyzeand memory functions of the Flash Meter IV are very effectivewhen
photographingscenes using both daylight and flash light.View original page 4Page 9 · Read text
Mixed lighting control:
neon and flash lighting
Flashlightwas addedto the model holdinga blue neontube and the green
neon lightin the backgroundwas movedthroughoutthe one-second
exposureto createa flickeringeffect.
The model'sface and legs,illuminatedby both the blue neon lightand
flash,were metered.The analyzefunctionwas then usedto determinethe
ratiobetweenambientand flash lighton the face and legsto adjustthe
lighting.Flashintensitywas decreasedto emphasizethe blue lightfrom the
neontube.
On face
44 Z Z I . 0 . I . 2 x . 3 . 4
@@ t u I J D . .
m-;-i \ f ,J ,q {oNc
f i 1
On legs
f t m t1 3 UE IU \.fr t
Exposure:Il2B+112,1 sec
www.orphancameras.comView original page 9Page 13 · Read text
A senseof dynamicactionwas capturedby
movingthe cameraduringa one-secondexpo-
sure undermixedlightingconsistingof a blue
filterover a tungstenlightand normalflash.While
the blursare accentedhighlightsilluminatedonly
by the tungsten,flash lightwas addedwhen the
camerawas stopped.
The analyzefunctionwas usedto determine
the illuminationand color reoroductionof the
motorcyclewhile the camerawas still.The bike
was almostcompletelyexposedwith a 1/30sec.
exposurefollowingshutterreleaseand priorto
cameramovement.With an f/5.6aperture,the
tungstenlighthad virtuallyno effecton colors.
Blu€filter\ 'gN, o h3n)
N Z E V-
i - r , . - . . . . i ! i . , . 2 , . 3 . 4 ^
@'tfi* F& t;i_1_fr-f J.Ar f J*""
- a . _ 3 , . - 2. l i . i . 1 . 2 " . 3 . a ^ '
f-rihu e , s F M fl.n.'*".
www.orphancameras.comExposure:fl5 6, 1 secView original page 13Page 14 · Read text
Cum ulative exposure metering
The first exposurecapturedthe bluesof the blinds.The
secondexposureturnedthe spacesbetweenthe slats
white and caughtthe tire peekingthroughfrom the
bottom.In the third exposure,the blindswere removed
and the bicyclewas exposedas a blue silhouette.
Cumulativereadingswith reflectedlightmetering
enabledthe photographerto controlthe contrast
betweenthe slatsand monitorthe exposureof those
areassilhouettedby the bicyclethroughthe blindsand
thoseareasnot silhouetted.
The digitaldisplayindicatesthe integratedvalueof
the threeexposurescreatingthe bicyclesilhouette.The
pointerabovef/45 on the analogscale indicatesthe part
of the slatswhich will not be silhouetted;f/90 is the
cumulativeexposurefor the spacesbetweenthe slats.
rr:J";";-;::i, -TE{-
Exposure:1st Blindsexposedblue
2nd Tiresvisiblethroughblinds
exposed:illuminattonfrom
behindthe blinds;bluelightsin
front extinguished
Bicyclesilhouetted:white
backgroundlit with bluelights;
blindshavebeen removedView original page 14Page 19 · Read text
Cumulativeexposuremeteringof this scene indicated
most objectswould be fully exposedwith the first and
secondexposures,leavingthe lamp-litminiaturesto be
finishedwith ambientand flashlight.The miniatureson
the chairwere illuminatedby both the lamp lightand
blue-filteredflash light.The miniatureson the chairwere
slightlyoverexposed,comparedwith the edgeslit only
by the flash.
In the third exposure,the photographersoughtto flare
the lightcomingthroughthe openingsin the chairand
illuminatedfrom behind.An aperture-prioritycumulative
readingindicatedthat the flashshouldbe firedfour
times with the lensat f/90 to overexposethe gaps by
aboutthreestopscomparedwith the main lightingin
exoosuresone and two.
lst exposurereading
1 C s
* J f l " l , ' * 3 3 - . o " o
' " o . i , / \ ' L L f " u . r ,
Cumulativereadingof 1st and
2nd exposure
3#--,.1'"r'tg'u r l,-"$ Yellow
f ilter'lD
3rd exposure reading
lrr"r'^fut 2400ws rThrsr,;:
Exposure:1st Exposuremade with a
smalltungstenlampon the tl22+ 112,30sec.
chairand flashlightwith
blue filter.
2nd Exposurefrom small stand tl22+112,30sec.
lamp on chair top: soft
effectsfilteron lens.
3rd All lightson chair turnedoff; tl22+1l2,"bulb"
illuminationf rom back- exposure;flash
groundflashwith yellow fired4 times.
filter;soft effectsfllteron
lens
www.orphancameras.comView original page 19Page 20 · Read text
The MinoltaBoosterII is a TTLexposuremetercell
whichpermitsdirectmeteringof low lightlevelsusing
any of the BoosterII reflected-lightreceptors.The
receptorsenabledirectmeteringvia FlashMeter[V* of
lightlevelswhichcannotbe meteredwith a flashmeter
alone.
Someexamples:brightnessat the focusingscreenof
largeformatcameras,at the film planeof SLRcameras
or at the eyepieceof the viewfinder,in the eyepieceof a
microscopeand otherapplicationsin which lighthas
alreadypassedthroughan opticalsystem.
Thebooster'scableplugsintothe accessoryjack on
the FlashMeterIV,and the spot-probeattachment,SLR
eyepieceattachment,microscopereceptoror 35mm
film olaneattachmentis attachedto the booster.Oneof
two meteringtechniquesis used:
BoosterII and attachments
Fixed aperture metering
In thistechniquethe apertureis preset.The meterreadingcan be readfromthe Flash
MeterIVdatapanelas when meteringwith FlashMeterIV alone.Thistechnique
correspondsto exposuremeasurementat open aperture.and is usedwith the spot-
probeattachmentor SLReyepieceattachment.
Stop-down metering
As the nameimplies,the apertureis stoppeddownto the desiredapertureandthe
shutterspeedor guidevalue(GV)is readwhenthe FlashMeterIV indicatesa specified
aperture.Thistechniquecorrespondsto stopped-down,TTL meteringand is usedwith
the 35mm film planeattachmentor microscopereceptor.
Whenfirst usingthe booster,it is also necessaryto obtainthe ccjinpensationfactor
indicatedon the compensationscaleaccordingto the opticalcharacteristicsof the
photographicequipmentused,includingthe cameraand lens.
lf the sameequipmentand materialsfor whichthis compensationfactoris determined,
are used,TTL meteringis possibleunderthe sameconditionsas reflectedlight
metering.
. Fordetailsreferto pages48 and49 andtheBoosterII instructionmanual.
* TheBoosterII canalsobe usedwithMinoltaFlashMeterIII,FlashMeterII,andAuto
Meters III. IIIF. and II
Spot-probeattachment SLR eyepieceattachment Microscopereceptor 35mm film plane attachmentView original page 20Page 21 · Read text
Takenwith large format view camera Macrophotographywith 35mm SLR, magnification3.35X
(usingspot-probeattachment) (usingSLReyepieceattachment)
4 x 5 viewcamera.fl32.11250sec 35mmcamera:f/11.1/60sec
Photomicrograph(10Xobjective, 10X close-up lens) Low illuminationexposure
(usingmicroscopereceptor) (usingboostedsensilivity.reflectedlightreceptor)
35mmcamera;usingpolarizinglight 4 x 5 camera(withUVf ilter),1122,12 min, 30ws ultra.viotetliqhtsource
www.orphancameras.comView original page 21Page 25 · Read text
Stop-downmetering
Calibration
Compensationrequiredfor the stopdownmeteringmodeis determinedas explained
below:
1.Setthe sensitivitydialto L 2. Directthe cameraat the 3. Set the spot-probeattach* .
. and metera flat surface ::l same evenreflectance menton the focusing
, with evenreflectance* :- surface.Focusthe lensat screenand meterwith the' usingthe reflectedlight infinityand closethe aper- shutterspeednotedin step
receptor.Jot down the tureto obtainthe same 1.Turnthe compensation
reading. readingas in step 1. dial untilthe displayon the
*Thereadingshouldbea shutter FlashMeterIV indicates
speedandaperturesmallerthan the sameaperturesetting.
thefulllensaoerture. o Blockany lightwhichdoes
nol come directlythrough
the lenswhenmeteringon
the focusingglass.
Metering
The compensationdial shouldbe set to the positiondeterminedin step 3 abovebefore
metering.(lf the boosteris calibratedin fixedaperturemeteringwith an f/5.6aperture,
that settingon compensationdial can be used in stop-downmetering,too.) ..,
h
i i
Adjustthe cameraand lights Set the spot-probeattach-
andclosethe lensto the mentto the groundglassand
desiredaperture. .; takea reading.Use the
shutterspeedor GV reading
indicatedwhen the displayon
the FlashMeterIVfor correct
exposure.
o Eitheraperture-priorityor ,.:
shutterprioritymeteringcan
be used.lf aperture-priority
meteringis used,set the
FlashMeterIVto FNo.
mode.Usef/5.6to takethe
reading.
www.orphancameras.comView original page 25Page 26 · Read text
Wirelessremote data transfer via the Data ReceiverDR-IOOO The MinoltaFlashMeterlV is the world'sfirsthand-heldexoosure meterto incorporatean on-boardinfraredtransmitterwhich permits wirelessdatatransferand cameracontrolfrom a distance. By attachingthe DataReceiverDR-1000to the Minolta9000/ MAXXUM9000(or 7000/MAXXUM7000),the usercan a'utomatically transferthe correctmeter-derivedapertureand shutterspeedto the camera,thentriggerflashand releaseshutter...atremendoustime-saver in studiosituations!View original page 26
Page 27 · Read text
Wirelesstriggering of flash by
IR ReceivenTrigger
Wirelesstriggeringof flashis madepossibleby usingthe optionallR
Receiver-Trig ger.This versatile accessoryf reesphotographersf rom
troublesomehandlingof the synccord.
Simplyattachthe lR Receiver-Triggerto the flash,thenthe flashcan be
testfiredby pressingthe measuringbuttonon the FlashMeterlV.
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