INSTRUCTIONS fOT No. 10 . Cirkut Camera GRAFLEX, Inc.
Instructions jor operating the No. 10 Cirkut Camera T lIESEimtruct ions are for th e No. 10 Cirku t Camera, fitt ed with a conver tible lens with focal lengths of 10%, 18 and 24 inches. These instructions are a Iso applicable to the nse of other lrnscs. F ig. 1 Loading the Film Box Unscrew the milled head A, Fig. 2, disconnecting the motor from the winding drum. Turn the small winding key B, Fig. 2, until the number 126 / appears in the opening. Turn the lower milled head C, Fig.
concealed buttons E, E, Fig. 2, and raise the panel, uncovering the winding drum, spool centers and exposure slot, Fig. 3. Press the locking bar F, Fig. 3, on the lower spool center, Fig. 2 forward, and push the center down far enough to admit the spool of film .
center fits into the slot in the end of the spool. When raising the lower spool center, the locking bar will fall into the slot, securing the center in the correct position. Release the clamp, for Fig. 3 holding the black paper on the drum, by pressing upward catch D, Fig. 3, and inserting the end of the black paper under the clamp, which should then be pressed firmly into position , allowing the projecting teeth to perforate the paper.
The paper must be started true and even; otherwise an unevenness of motion will be noticed, causing blurred portions in the negative. Close the cover of the film box by pressing down on the side arm G, Fig. 3. See that both the top and bottom catches are securely locked. Turn lower milled head C, Fig. 3, one and one-half revolutions, bringing the white line to zero and causing the key B, Fig. 3, to turn until 0 appears in the opening.
Fig. 4 cealed buttons J, J, Fig. 5, on each side of the camera, and draw it out as far as it will come, when it will lock in position.
half swings out of the way, fold ing over the right half. When focusing, the hinged portion should be swung back until it catches, the camera is then focused in the usual manner by the milled Fig. 5 focusing screw V, Fig. 9. The camera should be swung from side to side, to make sure that everything desired in the view is included.
and falling front can be raised or lowered to secure a well balanced picture and include the required sky or foreground, by turning the milled Hcrew head V, Fig. 9. The lens board may be Fig. 6 tilted by releasing the set screw Z, Fig. 9, when photographing groups of se veral rows of figures.
When the subject is properly focused, swing the left half of the ground glass out of the way, leaving the left half of the camera open as in Fig. 5. Press in on the top of the two side arms Y, Fig. 6, holding the focusing panel, and pu~ll the focusing screen back into the camera b-:;dy until it is held by the catches J, J. Select the gear wheel indicated by the pointer on the rear left scale H, Fig. 4.
Fig. 7 Fig. 8 Focusin~ Scale H NOTE-The numbers on the gears vary as the focal length of the complete lens fitted to the camera and its single combinations vary in focal length. The fitting of the lens to t he camera and the calculation of the correct gear to use with each focusing distance is mathematically exact. The use of any other gear than the one indicated by the f ocusing pointer will result in loss of sharpness in the negative.
Estimate the exposure required and set the pointer at the nearest figure on the scale to the estimated exposure. Open the lens shutter and Fig. 0 set the diaphraglll at the required opening. The scale, Fig. 7, shows the relative value of the stops when used with the different lens combinations. To start the camera turn the depressed key N, Fig.
opens the exposure slot and simultaneously starts the motor. When the camera has revolved a sufficient distance to include the required view, give the key another turn; this closes the exposure slot and stops the motor. L Fig. 10 In the center of the back of the film box there is a concealed button 0, Fig. 2, page 2, which, when pressed at the termination of the exposure, perforates the film, showing where to cut it apart, when more than one negative is made on the same roll of film.
This will rewind the film from the receiving drum and bring the black paper into position. The film may now be removed from film box in daylight. To Remove Film Box from Camera Press backward the metal button on the right side of the film box W, Fig. 1, and at the same time raise the box which can now be readily removed. Focusing with Rear Single Lens (18 inch) Draw out the front of the camera to the 100foot mark on the forward, left scale, R, Fig. 4, page 5.
To Determine Amount of Film Required The scale around the top of the tripod, Fig. 11, indicates the amount of film required, in inches, for the different number of degrees that the view will embrace. When focusing, the lens should be pointed to the extreme left of the subject to be photographed and the black tab, by which the scale is moved around the tripod top, should be moved until it is directly under the center of the back of the camera, as indicated by the black line T, Fig.
number appearing in the small opening, the number indicated by the white line on the milled head C, Fig. 2, page 2. This will give the total amount of film used at any time. Sequence of Operations 1. Level the camera. 2. Adjust the ground glass focusing screen. 3. Focus .the camera. 4. Open the ground glass focusing screen. 5. Attach the film box. 6. Wind the motor. 7. Attach the proper gear. 8. Set the speed indicator. 9. Adjust the diaphragm or lens stop. 10. Make the exposure. 11.
Cirkut Film When ordering film for the No. 10 Cirkut Camera, be sure to specify" White Label Cirkut Film for No. 10 Cirkut Camera." Both Veri chrome and Super XX Pan Film may be ordered in the following sizes: 6 in. x 5 ft. 6 in. x 10 ft. S in. x 5 ft. S in. x 10 ft. 10 in. x 4 ft. 10 in. x 6 ft. lOin. x 10 ft . For Prices See Your Regular' Film Dea.ler. GRAFLEX, ROCHESTER 63A-347 I~C. 8, N. Y. Printed in U. S. A.
