Graflex Cirkut No. 6 Camera User manual

INSTRUCTIOl\S
             fo,
      hlo. 6
Cirliut Camera





Folmer Graflex Corporation
        Rochester. New York

TIIE l{o. 6 CIRKUT CAMERA





 FOLMER CRAFLEX CORPORATIOI\
        ROCHESTER, NEW YORK





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INSTRUCTIONS FOR OPBRATING
 No. 6 CIRKUT CAMERA
   These instructions eover the operation of the
 No. 6 Cirkut Camera with speeial lens, having foci
  of 7, 10 and 15 inche,s.
                                                                                                                                           ,
            FOCUSING
   Set'camera on triporl rnaking sure it is absolute-
 ly level being careful not to turn the tripod screw
'too tight. If the tripod screw is set too firmly it
 will cause an unsteady movement, thus producing
 vertical lines in the negative. Open camera by
 pressing concealed button at the top ju,st forward
 of the handle.                                     /
 To Focus With  Open haek of camera by de-
 Doublet or       pressing catch W, Cut 1, and
 Complete Lens moving slirling lock bar to the
                     right as far as it will go. De-
 press catch F, Cut 2, and slide ground glass
 focu,sing panel to the left, which rvill bring the
 ground glass into position for foctrsing. Draw out
 front of camera till erlge of lens support comes just
 back of scale S, Cut 3. Select point to be focused
 upon and focus in the usual manner by turning
 focusing pinion at right side of camera bed. After
 focusing, swing camera from side to side and note
 that everything desired in the view will be in-
 cluded. After subject has been accurately focused,



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No. 6 Cirkut   Catnera
move the sliding ground glass panel to the right
as far as it u'ill go. This will bring the exposure
slot into position for exposure.
   Select gear wheel directly in line with front edge
of lens support on scale S on camera bed. This
scale is marked 7" focus, indicating the 7-inch
doublet, or complete lens. The figures on the right
,sitle of this scale indicate distance from camera to
subject. The figures on the other side indicate
the number of teeth in the gear wheels required
for the 7-inch lens when focused on obiects at these
distances. The front, or lowest number, is used at
a tlistance of 15 feet, the middle number for objects
25 feet a\\ray from the camera, antl the rear, or
highest number, for negatives including objects
100 feet or more distant from the camera. If line
falls midway between two numbers select the gear
wheel indicated by the rear number. If line falls
forwar<l of midway select the gear wheel indicated
b1'the forward number.
  Screw shaft of gear wheel as selected firmly into
round opening K, Cut 4,, at ltottom of camera.
Wind motor by inserting key in square opening L
at bottom of camera. Re sure motor is wound .,p
sufficiently tight to carry camera the full distance.
        LOADING CAMERA
  Loosen top milled head A, Cut 1, which discon-
nects motor from winding drum. Turtt drum so


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No. 6 Cirkut   Camera

that clamp for holding black paper is torn'ard back
of eamera. Turn small winding key B'until num-
ber 104 appears at opening. Draw out upper spool
eenter P, and insert film spool, being careful that
web on upper spool center drops into slot on upper
spool end. Release clamp for holding the black
paper on receiving drum by pressing upward on
catch D, Cut 2 and insert end of black paper
uncler this clamp. Press clamp firmly into position
allowing teeth to perforate paper and make sure
that catch at ul)per end of drum has engaged
clamp before closing back of eamera.
  Be sure that paper is started perfeetly true and
even; otherwise, film will run unevenly, causing
blurred portions in the negative. Close the back
panel, first making sure that focusing screen is
moved to the right as far as it will go.
                    $
CAUTION z Do not attempt to close baclt panel oJ
cemera utithout fi,rst shifting ground glass panel to'
the right as baclt panel will n"ot close until erposure
slot is in position for erposure.
  Turn lou'er milled head C to the right until O
appears at the opening adjaeent to winding key B.
This operation has wound black paper from spool
to reeeiving dnrm an<l has brought film into posi-
tion for exposure. l\Iilled head A should now be



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No. 6 Cirkut   Camera
        tightenecl but not too firmly; this engages the
       motor and receiving drum.

       Exposure        Turn camera on triporl until it
                           points to extreme left of sub-
        ject to be photographed. Then carefully sli<le
       camera forward on tripod top until small gear
         u'heel engages circular rack on tripo<l top. Do not
       crowd gear.s too closely; if they are meshed about
        halfway the camera will run snloothly and evenly,
        avoiding all danger of vertical and irregular lines
         in the negative.
        The segment scale arrd lrointer ]f, Cut l. at left
        side of camera indicates the speeds from 1l to
         l-12 of a second. Ilstimate the exposure required
      and set pointer on speed <lesired. See that lens
li.       rliaphragrn is adjuste<l to the desire<l openirtg an<l
         start eamera by turning depressed key N, Cut 1
        at si<le of c:rmera. This opens the exposure slot
      and starts motor simultaneously. After camera
       has revolved a sufficient distance to inclucle the
        required negative, turn starting key baek to verti-
        eal po.sition, thus closing the exposure slot and
        .stopping the motor. Press concealed button O,
I       (lut 1, firmly to perforate film at termination
       of exposure showing where to  cttt film apart,
     when more than one negative is made on the
      same roll.


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No. 6 Cirkut   Cam.era                11
To Remove   Loosen milled head A on top
Film          of camera, and turn small
                 crank P in direction indicated
by arrox-. This u'ill reu'ind film and black pal)er
from receiving tlrum. thtrs allowing removal of
filnr irr rlayliglrt.
To Focus With  Dras- front of eamera out
Rear Single Lens against stop at edge     bed.                                            "f(l0-inch)      Unscrew front cell from lens
             and remove it from barrel.
Focus on groun<l glass panel as previously indi-
cated, and select gear wheel shown on rear half of
.scale H, Cut 3, at right of camera bed. Care shotrl<l
be taken not to confuse the trvo scales which are
on the same plate. The scale to the rear of the
words "Focus-Gear" is used with the l0-inch rear
single lens only, antl the scale forrvartl is for ttse
with the l5-inch front single lens only'. The gear
wheel necessary is indicatetl by the mille<l edge V,
Cut 3. The gear numbers for the 10 and l5-inch
single lenses indicate distances of 25,50 anrl 100
feet, the lorvest gear number being use<l for the
25 foot distance, and the highest gear number for
objects 100 feet or more from the camera. When
the indieator falls mi<lu'ay between two numbers,
the number to the rear of the indicator should be
selected. If line falls forwartl of mi<lway, the num-
ber forward of the in<licator shoultl be selected.


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T2        Instructions             .f or  Operating
To Focus With Draw front of camera out
                                    edge of hed, anrlFront Single   against stop at
Lens         remove rear lens cell from
                   barrel. Focus on groun<l glass
a.s previously indicate<l and use gear wheel shown
on foru,anl half of scale H, by milled edge indica-
tor \-.
To Determine The scale encircling the tripod
Amount of Film top in<licates amount of film
Required       required in inches for different
              number of degrees that the
view u,'ill embrace. To determine amount of film
requiretl for an exposure point lens to the extreme
left of the subject to be photographed. Move tab
IJ, Cut 5 around until it cornes directly under
eenter'of back of camera, as indicated by black
line T on revolving metal platform. The eamera
shoul<l then be pointed to extreme right of subject,
permitting slicling scale to remain in position. The
small black line will then in<licate the number of
degrees the picture will include, also the length of
filrn in inches with either 7, 10 or l5-inch lens.
 To determine amount of film rtsed, refer to
inrlicator on top of camera and atl<l to the rtumber
allpearing in the small openirrg, the number
inrlicated by u'hite line on milletl head C. This
will give the exact amottnt of film rrserl for any
required view.

No. 6 Cirkut    Catn'era                 13



    BEFORE MAKING EXPOSURE
  1. Level eamera.
  2. Focus.
  3. Move ground glass panel to right.
  4.  Select proper gear.
  5. Set governor for speed.
  6. Adjust diaphragm.
  7. Wind motor.

Then
  Make exl)osltre.
  Stop Motor
  Punct trre film.
  Note amount of film ttsed, and amottnt re-
maining.





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Instructions       lor   Operating

       WHAT NOr TO DO
   Don't attempt to close hack of camera rrntil
 ground glass is shifted to the right.
   Don't rewind film until ,starting ke.y is in the
 "off" position.
   Don't mesh gear wheels too closel;r; about half_
 u'ay is sufficient
   Don't forget to set eorrrrter at zero (0) before
 taking picture.
  Don't tip tlre eamera. Keep it level.
  Don't set tripod serew too tight.
   I)on't use film with bent Metal flanges.

CAUTION: Ahvays see that starting key N is in
an "off" position before rewincling film, even
though the motor has nrn clown. If starting key
is not turned in this position, the expor.,"" .lo1
will remain open, allowing light to enter and fog
film while it is being rervound.
  Oil bearings occasionally with a few drops of
goorl sewing-machine or clock oil. Very little oil
is sufficient.

FOLMER GRAFLEX CORPORATION
                 Rochester. N. Y.
                    Malsrs of
            Precision Camer a Equtpment


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