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Graflex series B User manual

User manual for Graflex series B. 12 pages in English. Read the original PDF, download or print a copy without registration.

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Graflex series B manual cover
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Document details

Brand
Graflex
Model / document
Graflex series B
Document type
User manual
Language
English
Pages
12
File size
1.4 MB
Category
Film cameras
Document date
Not specified in catalog

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Page 2 · Read text
www.orphancameras.com

    Directions  fo,'h Operating
    GRAFLEX
          2%x3%
           SERIES B




                www.orphancameras.com





   Eastman Kodak Company
Folmer E Schwing DePartment        ROCHESTER, N. Y.
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Page 3 · Read text
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                                                     I    Kodak
         Auto-Focus
           Enlarger

                     For Brornide Enlarging



                       T n r s   t i m e - s a v r n B ,
                          trouble eliminating,
up-to-d ate apparatu.s--br.inqs to enlargi?g a. degT.e
of easeand speed heretoforeassociatedonly with
contact printing.
  Ease: Slide the camera up or down and while the image
size changes the f ocus stays sharp.  Auto-acting mechanism
keeps it so.
  Speed: With  a capacity for Mazda lamps (not supplied)
of from 7 S to 2oo watts, enlargements can be made almost
as rapidly as contact prints.
   Kodak Auto-Focus  Enlarger accornmodates negatives up to 6 x 4 inches
and makes prints  from  t/z  to 3/z  times the negative size.  It  is supplied
complete  with  Kodak  Anastigmat  l-ens, negative and paper holders, six
fexible metal masks and electric cord and plug. Price              $35.oo
   Diffusing Disc for soft focus effects. Price                             r.oo

     E,ASTMAN KODAK COMPANY
                R..HESTER'      N'Y''  The Kodak city
At lour  dearer,s
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Page 4 · Read text
www.orphancameras.com
              ..KODAKERY''

   A monthly ma gazine that teaehes how to make
better pietures, will be sent FREE OF CHARGE  to
anyone who purchases one of our amateur cameras
from a dealer in photographie goods, provid,ed this
blank is filled out and sent to us within 30 davs from
the date the eamera was purehased.
            EesruAN KoDAK Connpaxy.

To the EnsrnreN Koo.r,x Co.. Rochester, N. Y.:  4
     fn accordance with your offer, please put my name on the
mailing  list  for "KooAKERy"  (with  the understanding  that
there is to be no cost to me),  I having purchased a

                                                       . . . . .
                        (Kind of Cu-"rut

                           '(Nu-.
                                         a"rf"")
                                                 "i

                              (Dzte here)
                    Print name and address plainly





  N. B.-The magazinewill be sentfo, on"year orrr" on unorrn
offer. After that the subscriptionprice will be 60 cents per
annum, but you arenot under the slightestobligationto renew.
-E.  K. Co.

Form No. 219-24
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Page 5 · Read text
www.orphancameras.com
        Directions  tor  Operating
      GnAFLEx
              2%x3%
               SERIES B




        D_
       H
      G
        B
        P

                  FOCUSING
Releasethe spring catch L, and raise the cover, which automatically
extends the Focusing Hood.  Rack the lens out with the focusing
pinion S, which causes the lens cover to open instantly, exposing
the lens.
SETTING THE      Press the lever H down until the mirror locks in
MIRROR           focusing position.
The metal plate , attached to the Focusittg Hood, gives the approx-
THE SHUTTER     imate  shutter  speeds, i^  fractional  parts  of
SPEEDPLATE      seconds, obtainable  with  the  various  com-
binations of curtain apertures and tension numbers.
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!
             www.orphancameras.com                                                                                                                 i-1
The shutter curtain contains 5 apertures ranging from  full opening
             O to tA of an inch. When the letter O appearsTHE CURTATN                                                                                                                          IA'ERT'RES             ;1.*",:Tri;':;,;               lffli"'; at F as key A is turned to the left.      ":::L,'ffil;
Push down  lever H.  Depress disk D and revolve until  letter  "I"
                   stands direct,ly opposite the notch on lever H.SETTING THE                 Wind the curtain by turning  key A to the  left.HUTTER
                         until the required aperture is centrally indicated
at F.   If the curtain  is set at a smaller aperture than  required,
releasethe curtain by pressing lever M to the left, until the proper
aperture number is registered at tr'. Example:  If the subject requires
an exposure of 1/160 of a second, register the )/s curharn aperture at
F, and tension 3 at G.
A  safety lock prevents the rewinding  of the  crrrtuii  before the
                     mirror  is set in focusing position. This prevents                     .ICAUTI'N                                  --1themirrorwith,n.'i.l?lhff;;l,T;il3ffi*HT",T.1':J:#:                                                                                                                                                                        l{
Tension or pull on the curtain  is regulated by turning the milled
                   head, B  to the  left           required tension
REGULATTNGTHE                           :"ttf,the
                 number appears at G. The numbers run from                                        I'SHUTTER sou"J"
                  1  to  6-the   highest number  indicating  the                                                                                                     {
greatest speed. If the tension nurnber is set at a higher tension than                     ;
required, release tension of sprirg by sliding escapement P, back          {
and forth, until the proper tension number is registered at G.
After the shutter' has been set, and the image on the Ground Glass                 d;{I
                  Focusing Screen properly focused, the exposure
INSTANTANEOUS                          is made by one gentle, downward pressure ofEXPOSURES
                    the release lever, located on the forward,  left-
hand side of the camera body.  The pressure on the lever simul-
taneously releasesthe mirror and curtain. SLowinstantaneousefrpo-
.suresof about 1/5 second can bei made with the curtain set at O
(full openitg), and tension No. 1. Pressure upon the shutter release
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Page 7 · Read text
www.orphancameras.com

causes the mirror  to rise just before the curtain drops, closing the
exposing aperture.
Press down lever H.  Depress and turn disk D until  letter "T"   is
                       directly  opposite notch on lever H.  Wind theTrME ExposURES
                     curtain  until  the letter T  is registered at  F.
After  foeusing the image, releasethe mirror by pressing the shutter
lever, and commence the exposure by a gentle, backward pressure
on lever M.  At the expiration of the required time, terminate the
exposure by a second pressure on lever M.
Vertical  pictures may  easily be made by  first setting the shutter,
                 and accurately focusing in horizontal position,
'ERTICAL                 and making the.exposure with the camera held*ICTURES                       tn \.'ertrcal posltron.
All  Graflex Attachments  will  interchange with the Plate Holders
                 on Graflex Carneras. The Graflex Plate Maga-ACCE'S'RIE'                    zine is designeCto carry 12 Glass Plates or cut
Films  in  metal sheaths; the  Graflex Roll Holder takes the new
Ea.stman Grafi e*Jilrra  eonsistin g ol&exposures  t the Grafl e! Fi lm
Pack Adapter takes the Premo Film Pack.
                                                                                                                    '
           DEPTH OF FOCUS
   Depth  of focus is the distance from the nearest to the farthest
objects that appear sharp when the lens is focused on any given
point.
    This depth of focus depends on the foeal length of the lens and
the size of the stop used. The depth of focus increases as the focal
length of the lens and the diameter of the stop decrease.
      It  is sometimes desirable to have such great depth of focus that
practically  all of the picture from foreground to distance will be
fairly sharp. To secure such general sharpnessthe stop used should
not be larger than /.8 and the lens should be focused on an object
at the hyperfocal distance rather than at 100 feet or at infinity.
   The hyperfocal distance is the nearest point to the camera that
has satisfactory sharpness when the lens is focused on  infinity.
This distance varies with the size of the stop used.
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Page 11 · Read text
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       How'l,Hff           at                      ffl,:::','"TilY;:'"n* liir-.=
    Find  the subject group, and the exposure for movement  al
 right angles to camera will be found in the square on'the  line of
 "distance of objeet" and under "focal length of lens."  ,.:i
             Example:
                   Subject                     Motor  Boat
                   Distance                   50 Feet
                  Qp""4 of Subject            30 Miles per hour
                   Focal Length  of Lens.       6%'
                  Exposure                     1/550th of a second
    The  shutter speeds given are necessary to stop the motion.
 The lens opening must be regulated to meet the prevailing light
 conditions.
    For bright days it is suggestedthat Stop /.8 be used with expo-
 sures LlI95 to 1/350; f .5.6 with exposures7lgS0 to tl5b0; f .1.b Tor
 exposures1/680 to 1/1000.
   On hazy  or  dull  days, with same exposure, proportionately
 larger lens openings should be used.
-is-neCes-saiyIt  is not advisable to opgr4e  t ne shutte r at a higher speed than
              tb-stop movemeTf,Tf rhe subject, thereby giining  the
 advantage of  full  exposures and the  ability  to use smaller- lens
 openings, which will give greater clepth of focus.
    To decrease ^ given shutter speed  I 13 for movement  at 45
 degrees,or 213 for oncomirg subjects, use the second lower speed
 on Graflex exposure plate  f or L13 less, and the fifth lower exposure
  f or 213less.
           Example:
                                         1000
                                            825
                                           680
                                   Right  angles E*    550
                                             440
                          45 degrees;  r/  less >-.>   350
                                            295
                                            235
                    Toward  camera; % less >-+   195
                                         160
       EASTMAN KODAK COMPANY
  Folmer & Schwing Department                ROCHESTER, N. Y.
  L2-24-CH-1000
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Page 12 · Read text
www.orphancameras.com




         (cLoofr     f-elox     for
on tlte Bach

EVERY   am.areur p:int should be made on
Velox. As the only paper made exclusively for                       '-Lets
amateur negatives,it         their requirements as
no other paper carL.
   Finishers know  this and that is trhy so many
of them use nothirg but Velox in their contact
printing rooms.
   For your protection, and to  identify quality
finishers with  quality vrrork, each sheet of Velox
is faintly marked with the trade name.
          Look,f o, " Zelox" on the back
   EASTMAN  KODAK  COMPANY
         ROCHESTER, N. Y., The Kodak City
View original page 12

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