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Various brands
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2 PAGE (SIDE BY SIDE)
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User manual
Language
English
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24
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4.0 MB
Category
Film cameras
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Page 6 · Read text
2. Meosuring  fhe  incident  lighr
   (A) Be sure the Photosphere is firmly seatedin place
   on the Director. Now hold the Norwood  Director
   close to the subject and point the photosphere at the
   canerA, or at the position which the camera will
   occupy when taking the picture. Maximum  accu-
   racy will be achieved by holding  rhe Director at
   arm's length.
      In some casesit will be found more convenienr to
   step to one side, always keeping the photosphere
   pointing toward the camera,and revolving the meter                                                     F i g . 2 - W i t h b r i g h r l i g h t s l i d e   F i g . 3 - W h e n  s l i d e  i s n o l
  body until  it faces you for easy reading. (Revolving            in use,set lN pointeros illus-     used, set OUT pointer o s
   the body  of the Director has no effect upon the           troted.Thestrengthof the lighf     shown. Here the strengfh of
  exposure indication as long as the photosphere is             is 30 x 125.                     the light is only 125.
   kept pointed at the cameraposition.)                                                    Compore lhe comero seltingsin the two illuslrotionsqbove.
                                                                           3. Obtcrining   the  comerq   setting
                                                                     (A)   If the brighdight  slide is IN,  with the fingertip
                                                                      rotate the dial until red IN pointer is set to the block on
                                                                     the dial scale whicll corresponds to the block indicated
                                                              by needle on the incident light scale.Thus,  if the needle
                                                                indicates 12J, turn the red IN  pointer to 125, Fig.2.
                                                                                                   (If the slide was not in place behind the Photosphere
                                                                      turn the red OUT pointer to I25 instead, Fig. 3.)
                                                                     (B) On the lower half of the dial and adjacent to each
                                                                  other will be found all combinations of shutter speeds
Hold Directorol subiect,poinf Pholosphereoi comero                                                        and f stops for correcr exposure. With ASA index of 10
  (e1 Read the needle indication on rhe incident light                 for Kodachrome, Daylight Typ., and a needle indica-
  scale. (If the needle reads more than lM,  insert the                tion of 125 with the brightlight slide IN, correct expo-
  brighdight slide behind photosphere.) See page 45.             sure would  be, for example, U50 second and  flj.6.

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Page 7 · Read text
Other combinations of shutter speed and f/stop that
are shown may also be used. (See Page 13.)
  That's all there is to it. Hold the Director at the sub-
ject, point the Photosphere at the camera, and read the
cortect exposure.
  For most outdoor photography, where the general
illumination  is the same at the camera position as at the
subject, the Director may be held at rhe camera position
instead. Be sure, however, that the same light falls upon
the Photosphere in the same way it would  if you were               Moiion   picture  phologroPhY
holding  the Director  at the subjecr. I(hen  shooting                                                                 For motion  picture photography, look  for your cine
above or below eye level, tilt the Director to the same                                                          cameraspeed in frames per second in the red band on
angle as your camera.                                                the dial. Normal movie camera speed is 16 frames per
                                                             second.The red block below 16 representsl/30 second,
                                                                      the corresponding movie c^mera shutter speed. OPpo-
                                                                                   siie this red block read the correct f7'stop to use. For
                                                                      other cine camera speeds use the red block below the
                                                                 corresponding frame speed. The red block under 8
                                                                represents1,/1) second, under 24-Ilro   second, under
                                                                      32-ll60  second, under 64-Ill20   second'
                                                                                                                             (If your camera operates with shutter speed other than 1/30 .sec^.                                                                                              at 1'6frames you can, if you so desire,make compensatton ln nsA
                                                                                                            i"d.".  For example: 1/ 40 sec. at 16 frames; Kodact'rome  film,
                                                                           Index 10. Then 5y proportion U]9:  l/4O :: lo :7V2. Nearest set-
                                                                                              tine  is 8. Therefore, ASA Index-8 is used instead of 10 and red
                                                                                       blotks can be used directly.)
                                                                                 For  interior  photography   under   artifi'cial  light,     it  is
                                                                                 essential  to  hold  the  Director   close  to  the  principal
                                                                                subiect rather than near the camera because the light  is
                                                                                 usually  quite  different   in  these two  locations.    If  the
                                                                                cine frame speeds are not  visible when  the  dial  is cor-
    The Director moy be held neor the comero position when                      rectly set to the needle indication,  there is not  sufficient
     lhe some  light illuminotes lhe comero  locotion os fhe                                                                                                light  for  correct exposure.
     subiect, no motfer how  for owoy  the subiect moy  be.
                     to                                                                                                                              t l
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Page 9 · Read text
Gcrmerq  errors
The Norwood  Director has been carefully calibrated to
give perfect exposures under  practically  all situations
with standard equipment in good operating condition.
However, diaphragm and shutter speedsindicared on a
camera are often in error. Because equipment errors are
common,  consistent ovef - or under-exposure would
suggest that a test should be made with that particular
camera in ordef to match the meter to  it. Consistent
over-exposure m^y be balanced by adopting a higher
film index than the published figure. Under-exposure
consistently obtained may be corrected by the use of a
lower film index.

Helpful  informotion
You  will  find under Questions and Answers starting
page 30 additional information to help you understand
your Director. The proper care of your Director and
instructions  in  the event service is required will  be
found on p^ge 45.

Zero  setting
\flhen the palm of the hand is pressed over the Photo-
sphere to exclude all light, the needle should indicate
zero. \flhen  it becomes necessary,set the needle to zero
by turning carefully the screw on the back of the Di-
rector using a small screw driver or the tab on  the
brightlight  slide.
          (Seepage 45 for  suggestinns0n tlte
          proper care0f!0ur Norwood Director)
View original page 9
Page 10 · Read text
The Norwood    Dlrector    is difierenf
The Norwood Director arrains its high accuracy because
its readings are based solely on INCIDENT  LIGHT,
the light  that falls upon the subject. The Norwood
                                                        PHOTOSPHEREFOR    PHOTODISKFOR    PHOTOGRIDFOR
system of measuring all the incident light illuminating                  EXPOSURE      IIGHTII.{GCONTRAST BRIGHTNESSRANGE
the subject has been tested by Hollywood  morion                 DETERMINATION     CONTROT        CONTROT
picture expercsas well as the leading professional pho-
tographers in the country. The Norwood  Director is
unanimously acclaimed by amateur and professional as
the one meter that gives perfect exposure for color or
black and white.
                                                                                                With fwo qccessories, the Norwood  The exposures determined by the Norwood  Director
assurefidelity when photographing flesh tones in color                                               Direclor becomes qn exlremely  ver-
or black and white. Flesh color is the only tint in color                                                  sofile inslrumenl  with  which   it  is
photography which  the untrained eye readily recog-                                           possible  lo  meosure qnd thereby
nizes as either good  or bad.  All  other colors may
                                                                                                                  conlrol  qll  fqctors  in  lighling  ondacceptably be lighter or darker, warmer or cooler, but
flesh tones must be right                                                                                    exPosure.
  However, any photographic subject m^y be rendered                                                         The PHOTOSPHERE   is used only for exposure deter-darker or  lighter  than   it  appears, according ro  the
                                                                  mination and indicates effective foot-candles of incidentartistic desires of  the photographer. The Norwood
                                                                           illumination.Director establishesa consistent and known point  of
reference from  which  departures m^y  be made  to                                                         The PHOTODISK   is used for lighting contrast control
achieve special effects. nflhen desired these effects may              and measuresfoot-candles of incident illumination.
be duplicated at any time by  utilizing the same de-
parture in exposure as determined from previous ex-              The PHOTOGRID    is used for brightness range control
perience.                                                   and indicates relative brightness. The Photogrid may also
  To reproduce the principal subject as you see it,               be used for  emergency exposure determinarion  under
always use the exposure as determined by the Norwood                  thos,e few conditions where an  incident  light  reading
Director.                                                        cannot be made.

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Page 11 · Read text
Using the Phorodisk                                                               Meqsuring   controst
The Photodisk converts the Norwood  Director into a                                                                                                                                l. Turn on main light.foot-candle meter which  may be used to measure
illumination  not only  for photography but  for other                      2. Hold Director at subject position and point Photo-
                                                                          disk at light. Read light intensity.purposes as well. Held  ^t  the subject position and
pointed at a. light source, it measures the intensity of                       3. Turn on  fill-in  light and point Photodisk toward  it
the light  that falls on the subject. By measuring each                 from  subject position.  Shield Photodisk from main
light in this way it is possible for the photographer to                       light with your hand. Read fill-in intensity.
make records of any set-up and so enable him to dupli-                      4. Divide intensity of main light by intensity of fill-in
cate his lighting  Lt any future time. However, by  far                      tight to get contrast ratio (light balance).
the most important use of the Director with the Photo-              EXAMPTE:Main light reads 500. Fill-in light reads 25O-
disk in place is to measure the conffast ratio between                                                                         Lighting contrast ratio :'#:1      o, 2 to L (See page 2l)main and fill-in lights for closeups.
                                                                               After  the lighting  contrast ratio  is set to the value
                   Light  intensity  meosurements                      required by adiusiittg the position or strength of the
                                 l. Replace the Photosphere with the                             fill-in light, the Photodisk is removed from the Director
                 Photodisk.                                     and the Photosphere replaced. The exposure is now
                                                                 determined in the usual way.
                     2. Point the Photodisk toward the
                      light source to be measured holding
                  the meter at the subject position.
                     3. Read needle -  which when the
                    slide is out, indicates foot-candles.
                 With the slide IN,  the needle read-
                   ing must be multiplied by 30.
                   With  the  slide  out,  the  meter
                 needle reads  directly  in  FOOT-
              CANDLES.

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Page 13 · Read text
Bolqnging  sunlight                             A S A indexes   for  copying
The same precise control of lighting  contrast may be              The ASA index"meterfor some copying films and plates areachieved outdoors as is obtained in the studio. The sun                 published for        readings made from a white sur-
 is usually the main source of light. White- or silver-sur-                 facein the copying position." These indexes have been
faced reflectors are used to brighten the shadow side of               compensated to produce acceptable exposures with
 the subject. Both the sunlight intensity and the reflecror                readings made by  ordinary  reflected light  exposure
light intensity should be measured separately and their                meters. To use these indexes, the Photogrid must be
 ratio carefully conffolled for consistently good results"                placed on Director and reflected light readings made
  The tremendous light range of the Director makes ir                according to the film manufacturer's instructions.
easy to read the intensity of the sun. Iflith  the Photo-                  However, greater accuracy will be achieved by the
 disk in place, it is first turned toward the sun and the               use of the Photodisk or Photosphere on the Norwood
needle indication noted. The Photodisk is now turned                  Director and using the indexes as converted in  the
toward the reflector and shielded with the hand  if nec-                  following  table.
essaryto prevent the direct rays of the sun from shining
on the Photodisk. This  fill-in  light  should be from
Yzto Y+the intensity of the main light for best results in
color. For more dramatic effects in black and wh ite, a
higher ratio may be used, such as having the reflected
light as little ^s Ll16 the sunlight intensity.
  Remember that with  the brightlight  slide IN,  the
number indicated bV the needle must be multiplied by
30: thus, if  it points ro 12), the intensity of the light is
L25 x 3o:3750  foot-candles. With the brightlighr slide
OUT,  the needle indicates foot-candles directly.
   After the light balance has been adjusted, the Photo-
disk is removed and the Photosphere replaced to make
the exposure determination as usual. Be sure now that
all the light, from the reflecrors, the sun, and the sky
falls upon the Photosphere.
View original page 13
Page 14 · Read text
obtained from a medium-gray card with the PHOTO-
                                                    GRID   (Regardless of  whether  the  IN  or OUT
                                                                       pointer was used in determining the correct exposure,
                                                                     the IN  pointer always indicates the cenrer of  the
                                                                   brightness range. If, however, rhe IN poinrer cannot be
                                                           seen when the OUT pointer is ser ro the needle indica-
                                                                                 tion, tbe light level is so low  that no usable reading
                                                                  could be obtained with  the Photogrid.)
Duol purpose                                                                    3., Def ermining brightness ronge of subjecf
The Photogrid  is used in ploce  of the Photosphere for two                       (") Replace the Photosphere with  the Photogrid. Be
purposes:                                                             sure slide is out.Needlenov/ indicatesrelarivebright-
      l. Brightnessronge confrol                                            ness.
   2. Emergency exposure determinotion                                      (b) Point Photogrid toward various areas of the sub-
                                                                                          ject, holding  the merer approximately 6 inches
Brighrness  rqnge  control                                         from the subject. Avoid casting a shadow of the
                                                                   meter on the area being read (about a 6tt diameter
The effective foot-candles measured by the Photosphere                       circle).
for correct exposure determines the mid-poinr oT the                   (c) Divide the highest reading by the lowesr ro obrainbrightness range.

 |  .  Determining correcf exposure
Determine exposure in usual wdy, holding Director at                                                             illi;"ti'tlr1ir"
most important part of subjecr. For e*ampie, with slide
out needleindicates t00. On Kodachrome Film Type B
(ASA INDEX  10) the exposure would be 1/10 second           I
at f 14.5.                                                                                      fi
2.  Delermining mid-poinl of brightne.ssronge
Brightness is determined by a reflected light measure-
ment.To  transfer from the incidentlight scale to reflected
light,  all indications musr be read at the IN  pointer
which has been designed for use with the Photogrid in
addition to its normal function
  For example, the exposure determination in  1. re-
quired setting the OUT pointer ro 500. The IN pointer
then reads 16. L6 is the exact midpoint of the BRIGHT-                           H*,7
NESS range. It represents the reading that would be


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Page 15 · Read text
the brightness range. For example: say the brightest
    area reads 64, and the lowest 4.
                64
       R a n g e : 2      : 1 6    t o  t ,

4.  Delermining limits of good  color rendition
(a) Most  color transparency materials will reproduce
    color properly provided that objects in the scene
    are not more than 4 times brighter than the mid-
    point  nor  4  times darker than  the  mid-point
     (total 16 to  t).
(b)  If any area read with the Photogrid  in the previous
   example was higher than 64 (f 6 mid-point x 4:64)
     its color will appear washed out. The light intensity                                                                            "slide."
     falling upon it should be reduced by shading slightly                                            l.  With  the Photogrid-olwoys   remove
    that area from  the light.                                                             2.  Poinl Photogrid ol subiect.
(c) Areas darker than 4 (t6+4:41    will have to be                                                                                                     "lN"   pointer lo block indicoted by needle.                                                                                                 3. Set    brightened by concentrating more light on these
   areas if proper color is to be expected. In the pre-               Exposure  by  reflecled    light    vious example, no area was darker than this limit,
   hence no light need be added.                               Under certain conditions where  it  is not possible to
    On the Director, 6 divisions or blocks either way                hold the Director in the light falling on the subject, the
    of the mid-point mark the limits of normal bright-                Photogrid  will make  it possible to get an exposure
   ness range for color.                                              reading. When making photographs out of a window,
                                                            making pictures of a shop window at night or of stained
                                                                    glass windows, the Photogrid  is used in place of the
                                                                   Photosphere. The slide must be OUT.  Point the Photo-
                                                                            grid at the subject and note the needle indication. Set
                                                                      the /N pointer to this indication and read the exposure.
                                                              IIIIPORTANT:With fhe Photogrid,never use lhe brightlighl
                                                                                slide, but olwoys set lN poinfer to needle indicotion.
                                                               Exposures obtained with the Photogrid  are not nearly
                                                                as accurateas those made with the Photosphere, so this
                                                          method should be used only when absolutely necessary.

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Page 16 · Read text
Sfep 3.   Adiusting   lighfing   controst
                                                                                          (a) Replace Photosphere with Photodisk.
                                                                                          (b) Measure intensity of key lig.ht (probably
                                                                                                                                                      it will read 5oo foot-candles).
                                                                                              (c) Turn on frll-lights.
                                                                                          (d) Adjust fill-lights for proper lighting con-
                                                                                                trast as explained in section on Lighting
The Director with its capabilities for full Iighting con-                             Contrast Cbntrol  (for 2 to  I  rltio,fill-light
trol, makes str-rdio set-ups quicker and more certain                            should read 250). Back lights  will have
than ever before. Here aie th-e steps recommended for                              very little effect on this ratio.
setting up a motion picture scene with complete con-
trol. Thelame method may be applied to still photog-               Sfep 4.   Adiusting   brighrness  ronge
raphy. Required:
          Lighting set-up for the following                                           (a) Replace Photodisk with Photosphere.
           KodqchromeA (ASA 16)          E                                (b) Hold  Director at subject position with
           LensDiophrogmf /2.8                                            Photosphere pointing toward camera and
             Shutter1/50 second(24 trornes-per-second)                         note ne-edleindication. It should read 650
Sfep l.   Finding  iniensiry   for  generql                               now with  all the lights on.  If  it doesn't,                                                                                  vary key light intensity until  it does. This            light  level                                                                              should require very little adjustment.
           (a) Set tab on Director to ASA 16                                          (c) Turn OUT  pointer to 650 and note read-
           (b) Brin S IlSo sec. to  f lz.s.                                                ing"theof IN  pointer-. It  will read zo which
            (c) Opposite OUT pointer read 6;o  (t block                                      is     toid-point  brightness of the sub-
           above t00). This is the light level required                                   iect. If a brightness r:nge of t6 to  t has
                for the specified conditions.                                   been found  by previous experience to
                                                                                                                 results,                                                                                            desired                                                                        produce                                                                                           the                                                                                                         a -subjectSfep 2.   Seiling   the  key  lighr                                                                                                             the mid-point)                                                                                                           (4 times                                                                                                           of 80                                                                                 brightness
           (a) Turn on rnain light (k.y light) and adjust                                      is ihe ma*imum  that  will reproduce in
               to desired direction for lighting subject.                        goog color. The darkest oliect must have
           (b) Hold  Director at subject with slide out                           a mtntmum brightness of 5 (one-quartet
            and point Photosphere toward camera.                                   of 20) if good color reproduction  is re-
            (c) Increase or decrease intensity of main                              quired in this area.
                light until needle points to 1 block below                             (d) Replace Photosphere with Photogrid and
             6to  (>oo;. This assumes chat when the                        meusure brightness  of  light  and dark
                    fill-in lights are added it will increase the                           areasin the subject to make sure none is
             reading to 650 as required bv Step 1-c.                               brighter than 80 or darker than 5.

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Q.  Iflhy  don't you  point the Director  at the subject Sfep 5.   Finding  correcl  exposure                                                                                        like you do with other meters?
             (a) Sflith reading obtained with Photosphere               A.  The Norwood  Director  is a true incident light ex'
                  in step 4b, obtain the correcr exposure                 posure meter, measuring all the light falling o.n.the^
             which with normal lighting should come                   subject. The Photosphere is a miniature model ot
              out  elacrly as required-f   I Z.A ^t  1150                  the camera side of a three dimensional subject. It
             second.                                               should receive the same light as the camera subject,
 s7ith the method just outlined, the Norwood  Director                   therefore the Photosphere is pointed toward the
 makes pessible for the  first time  direct and positive                camera from the subject Position.
 control of alI lighting  factors with speed and asiurance.                                                               O. How  is the Director used to photograph  distant
                                                                      scenic views with the sun coming toward the camen?
                                                                      A. With no important  subject in the foreground, the
 QUESTT()NS   and ANSWERS                            pictorial effett of abacklighted  or cross lighted  dis-
                                                                                tant scene may be improve-dby reducing the indicated
Many questions have been asked by persons who, never                exposure one stop ot 1/2stop fespectively.
having used the Norwood  Directo r,  fail ro ap-preciare             Q. How  is the exposure determined for silhouettes or
 its utter simplicity.                                                                   brilliant sunsets?
Here  ore some  of them                                          A. Reverse the normal procedure and point the Photo-                                                                  sphere toward the sceneand determine the exposure.
O.  \flhy don't  I get the same exposure indicarion with                  (The main light must be coming toward the camera
    the Norwood Director as I get wirh a reflected light                      to make a silhouette.)
    type meter?                                                 Q.  Is the Norwood  Director more sensitive?
A. Do not expect to get the same indications from the                A. While the Director  is only slightly more sensitive
   Norwood Director as you might get with a reflected                     electrically than  other meters, the Norwood  Di-
     Iight merer. The basic principle  of the two merers                    rector utilizes all the light coming directly from the
     is  different. Use the exposure indicated by  the                  source rather than the reflected light. Therefore the
   Norwood Director and if you should wish ro satisfy               Norwood  Director  will  give usable exposure da:a
    yourself,- make one with the reflecred light meter                 under less light than other meters.
    reading for comparison. The results will show rhat
    your confidence in the Norwood  Director has not               Q. At light levels below which even the Director can-
   been misplaced.                                                     not be expected to show a needle movement, how
                                                                can an emergency indication be obtained?
Q. How  does the brightness of the background  in-                A. Remove the Photosphere and slide and point the
    fluence the Director?                                         open photoelectric cell at camera. Open up about
A.  Because the Director does not measure the back-                   3-stops or 10 times the exPosure indicated. (This
   ground but only the light  falling on rhe subjecr,                method is an emergency Procedure only which has
    the exposuresare nor influenced by the background.                  a very low order of accuracY.)

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T
II         O. How  is the Director used for an ourdoor picture of              Q. How do  I make a color picture of a very dark sub'
                                                                                                            like dark foliage?ITT            a person backlighted by the sun?                                          ject

            be correctly exposed. However,   if you  are more                  lens aperture Y2 stop larger than indicated.  If aIF        A. By using the Director in the usual way the face will                A.  Use the Director in the normal way but open upriil               interested in gerting correcr exposure in the hori-                 person is in the picture prominently, use the meterrl
               zonral ground surfaces that are brightly lighted by                   indication without change to preserveflesh tones.
              the sun, close down lens one-half to one srop.
                                                                a. How do  I get the correct exposure on black and
          Q. How is the Director used in an airplane?                            white film with a filter over the camera lens?
           A.  Hold  the Norwood  Director up ro a" window  in               From the manufacturer of the film or filter find the
             which the sun is shining, pointing the Photosphere                   correct filter factor. This factor gives the additional
              toward the sun. Determine the exposure. Take the                exposurerequired becauseof the absorption of light
               picture out of a window on the opposire side of the                 by the filter. Divide the needle indication on the
               airplane with the exposure so obtained. (The light                    Director by this filter factor and set the red pointer
              reaching the exposure merer is reduced by the win-                      to this new light value. For example, a certain yel-
           dow pane but the light entering the camera lens is                  low filter on a specific film has a factor of z. Suppose
             reduced by the same amount so one compensares                 the needleon the Director indicates250. Divide 250
                 for the other.)                                                 by 2 and then set the red pointer of the dial to L25.

                                                               a. Are  the exposure indications  of  the Norwood           Q. How  do you obtain correct exposure for making                                                                                   Director accurate for telephoto lenses?             movie titles?
                                                                  Use the exposure directly as given by the Norwood
           A.  Hold the Direcror against center of title and point                                                                                   Director without change for telephoto lenses.
             Photosphere toward camera. The exposures will
             be accu rate for black and whire or color.                                                              o. Is correct exposure the only requirement for ob-
                                                                                      taining good color in color photography?
           Q. How do I make a color picture of an exrremely light                                                                          Not only is correct exposure essential,but the color              colored subject like a white wall in  full sunshine?                                                                                             of the light falling on the subject must match the
            Use Director  in normal w&y, but  close the lens                   color balance of the film. Pictures made shortly
            down Yz stop smaller than indicated aperture. If a                  before sunsetappearmuch too yellow or even orange
             person is in the picture prominently, make no com-                because of the reddish color of the sunlight. Re-
              pensation or proper flesh tones may be lost.                            flections from nearby foliage may produce a green

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cast on your subjects. Pictures raken in the shade
    on a clear day will ^ppear too blue because of the
    lack of sunshine.

 Q. Can I  tell how bright a background  will appear in
    a Portrait2
A.  Hold the Direcror against the background with the
    Photosphere pointing at rhe camera-.Iflith rhe same
    incident  light reading as at the subject position,              Exposure  comPensqtion
    both  will come our as you see rhem.  tf tLe back-             Whenever the subject is closer to the camera than 10
    ground light.measures t4 as much as at the subject               times the focal length of the ca.meralens, the exposure
     position, rhe background will come our appreciably               indicated by the Director must be increased. For in-
    darker than  it appears.                                        Stance,with a 5 inch lens in a camera.,a,oy object closer
                                                                  than  j0  inches requires more exposure than normal.
Q. Are        the exposure indications                                     of the Director correct                                                            Meqsuring   lhe  incidenr   lighr     for anti-reflection                    coated lenses?
A.  The coaring on most lenses affects them so lirtle               Hold the Director as close to the subject as possible and
    that the Norwood  Director exposures may be used                point the Photosphere toward the camera lens. If the
    without compensarion.                                                    liights are very close to the subject, it is recommended
                                                                                             thlt  the subject be removed and the Photosphefe held
Q.  !flhy  is the Norwood  Direcror so accurare?                       exacrly in the spot the subject will occupy. In this w1y                                                                      the light received by the Photosphere will be exactlyA.  The         Director                        is accurare                          because                                    experience                                            has                                                                  equal to the light striking the subject.   shown            that incident                              light                                        is the rrue                                               criterion                                                            for
    correct exposure. All  the incident  light  that  falls                  fo  obroin  exposure   correcred   for  closeup   upon thg ca.meraside of the subject is correcdy
   measured and integrated by the Photosphere to                   1, Determine exposure in regular way.
    provide  thp                .9n9 single correcr serring  lor  your                  2. Measure size of object and also its image in the
    shutter and diaphragm.                                          groundglass.
                                                                               3. Divide  the  larger dimension  into  the smaller to
Q. Yfry  should the Director be held ar arm's length                   obtain magnification  (if the image is larger than the
    for best results?                                                                           subject) or reduction  (if the image is smaller than
A. under some conditions light c-oloredclothing worn                   the subject).
           pfrotographer           ,!-.                                enough                                                                                li- ht                                                            to   hy                       1nuy reflect                                                                               4. Find correction factor in table on next Page'    the       Photosphere                      ro influence                                                           it slightly                                         unleJs                                                                                          it                                                                   is
   held ^way.                                                               5. Multiply  the exposure time obtained on the Director
                                                                  by the correction factor.
                                                                                 35
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Page 24 · Read text
Design  Fecrtures
 The Norwood Director sers a new high standard for ex-               Toking  core  of your  Dlrector
 posure merers.Embodied in the design is the combined               Your Norwood Director is an accurate electrical instru-
 experience of top-flight Hollywood  studio technicians               ment. With ordinary care and handling  it will give long
 in color and black and white photography. The features              and dependable service.Under no circumstancesshould
 of the Norwood  Director include a much longer and                              itdropbe openedit or subjector tamperedit to suddenwith shocks.in any manner. Do not
more visible light scale-over  100o in angular length,                                                           Keep the Photosphere clean and give  it reasonable
unbreakable wide-angle vision  plexiglas face, high-                  protection from scratches.These do no harm except to
power Alnico v magner, exrremely high-torque move-                   collect dirt and in this way slightly reduce light tians-
ment, selected top-grade photoelectric cells tested ro                 mission. The Photosphere mly be washed with soap
meet exacr rolerances,high-speed fully damped needle,               and tepid water.
precision formed and tested Photosphere, individuai                          Briglttlight  slide may be made to  fit snugly by bend-                                                                        ing  it to maintain a slight camber.
meter calibration wirh precision photometric standards.                                                             The Director should not be subjected to conditions
The inspection slip enclosed wirh your merer includes                    of extreme heat or humidity.  Avoid keeping the Di-
the final calibration.                                                      rector in the glove compartment of a car during hot
                                                                     weather.
                                                                  Service
                                                                Should your meter become inoperative, rerurn  it  for
                                                                            repair. The Director should be placed in  its case and
                                                               surrounded with at least one inch of cushion packing
                                                                                 to  prevent  further damage and then shipped  in  a
                                                                    corrugated box. Address plainly to rhe Direcror Prod-
                                                                        ucts Corporation, Stark Street Gate, Manchesrer, New
                                                              Hampshire.


                                                          THE NORWOOD DIRECTOR
                                                                                                                          is profectedby
                                                                                               u. s. PATENTNO. 2,214,293
                                                                                            ofher pofenfspending


         www.orphancameras.com                                                    45
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From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.

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