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MOTION PICTURE PHOTOGRAPHY
becomes smaller and increases exposure if the focal length is much increased for photographing near objects. Besides these principal factors, the nature and color of the objects, their distance and the amount of light received and reflected by them under various atmospheric conditions, have a great influence on the exposure required.
J HARVEY B
MOTION-PICTURE ■
EXPOSURE METER
C*CH SECTION BCLOW SHOWS DtF
rcRc/^Y CLASSES or subjects.
SELECT A SECTION &L»IILAR TO
TOO I
THS COWWECT STO^ Td 8C USED rOR ANT SHUTTER ANCLC IS GIVEN VCRTlCALtV ABOVE THC SHUTTCR ANCLC YOU ARC USING
rOR ANCLCS THAT SHOW ON THC VERTICAL BLACK LINES. SET STOP ONC-HALT WAV BETWEEN TMC AOJA
iUS^2pM2 25 4 8 16 32 64
^ fmyks
USor/ STOP NUMBEKS
li
5^ 6-3 8 11 IB 71 32
n I M I
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^
•EST 5CTTIMO fOR OkNCRAI. WORN STRCCT TftAmc. WACMIMO. SLOW MOATS. ETC
tINS SHOULO
iro RACCS AT too PER HOUR. ANO TR BC TAKCm ALMOST HCAO ON if i«0 »'CET DISTANT TMCSC TWO FASTCS ' I rCCT
■ RC '
ATisrAcTonv
RNS ,
SLOW MOTION ,_„
SCCONO IS COOO PRACTlCt
use SAME CXPOSURC AS FOR 1 TURK
PCR SCCONO
FOR STILL SUBJECTS VOU MAT ^-^i^l-M®**^ *""•• "" «CONO THIS SAVES FILMS THIS SPCCO »i
USED FOR MOST TCCCRHOTO PICTURES
OO NOT FORGET THAT THE STOP "UST BE CHANGED WHEN CHANGES ARE MADE IN CRANHINC SPEED
.WAVS SELECT THE P*AaAAX7)T WHICH GIVES THE NEAREST QW 0*R«. ST PORTION OF THE SUBJECT
EVEN WHEN THERE IS SNOW ON THg RQUNp THC EKPOSURES ARt TO Bt i GIVEN FOR EACH CLASS OF SUBJECTS. AS CALLED FOR ON THE METER INTgNSC SUN WILL BC FOUNO AT MES ON SANDT BEACHES. WATER. DESERTS ANO SNOW.
FOR SUN RISC AND SET PICTURES KC MOONLIGHTS) WITH CLOUDS CJIPOSE SAME AS SNOW WITH SMALL « OBJECTS
WHEN UStPKl COLOR FILTER OR SCREEN. USE LARGER STOP~THAN THC MCTCR CALLS FOM. AS FOLLOWSi
WtTH 2 TIMCS FILTCA USC NCXT LANQCR STOP
WITH a TIMCS riLTCfl use t-tAROCN STOP. *
.r4E DIFFERENT SPEED LENSES "** BC C^NStOCRCD FOR PRACTICAL PURPOSCS AS FOLUnVS:
4 SCT STOP'S WAV BCTWCCM THC
STOPS GiwrN --'
L£fi5J
' *WD I
CHAWQC SPCCO OF MCTCR
lO MCTHOOS ARC SUCH THAT VOU RCOUIRC LCSS CHPOSURE. USC THE ARROW MARKED FOR IE-HALF NORMAL EXPOSURE. IF TOU SH TO HAVC SLIGMTlV STRONGER POSURC THAN NORMAL. USC ThK tROWMARKCO MOttmrnv. PLUS BO%
USE
ALWAVS IMS LCHS HOOD
^BWICMT SUM
XUHfOV
VC«T . OULC CiOUOV
Fig. 42
The American Photography Exposure Tables are the most convenient and practical help in determining the correct exposure for any subject, in any part of the world. An edition has been carefully revised to include all the films and plates on the American market. In every instance the speed has been determined by scientific tests by a renowned expert. The tables assign to each factor concerned in exposure — subject, stop, light, hour and plate — a number. These are found in the tables and added. No multiplication is necessary. The sum is then looked out on
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