ANSI SMPTE ST 179-1996 Motion-Picture Film (8-mm Type S) - 35-mm Film Perforated 2R (1-0) and 5R (1-3-5-7-0) - Printed Areas.pdf

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1、SUPTE 179 96 8357401 0002483 T52 SMPTE STANDARD ANSVSMPTE 179-1 996 Revision of ANSI/SMPTE 179-1 991 for Motion-Picture Film (8-mm Type S) - 35-mm Film Perforated 2R (1 -0) and 5R (1 -3-5-7-0) - Printed Areas 1 Scope This standard specifies the location and size of the 8-mm type S printed picture ar

2、eas for negative and intermediate optical reduction printing on 35-mm motion-picture film perforated 2R-1664 in row posi- tions 1 and O and for print films derived by optical or contact printing on 35-mm film perforated 5R-1667 in row positions 1, 3, 5, 7, and O. 2 Dimensions 2.1 The dimensions shal

3、l be as given in figure 1 and table 1. 2.2 Dimensions A, B, and H apply to all images. The differences in values from the reference perforation, dimensions B through L, excluding H, establish the minimum area to be printed. For convenience, and to avoid unnecessary addition and subtraction in applyi

4、ng this standard, a ref- erence dimension of 0.31 1 in (7.90 mm) from the positioning perforation is suggested. Page 1 of 3 pages NOTES 1 The vertical dimension B of the reduced 8-mm type S image of the original camera aperture image should be nominally centered on the horizontal centerline of the p

5、er- foration although the exact location will be determined by dimension H and its tolerance. 2 The direction of film travel shown in figure 1 is to aid in illustrating the minus-2 perforation and is the direction of motion in the projector for the resulting 8-mm print if figure 1 is as seen from th

6、e light source of a projector used for direct front projection. 3 If photographic audio is to be applied to the print, it is necessary to consider the required compatibility between this standard and the strong trade preference that a clear septum not appear between the edge of the printed picture a

7、nd the edge of the printed track. This standard allows overlap (double) printing of adjacent areas of the printed picture and printed track without permitting undesirable incursions of one area into the unrestricted area of the other. A suggested value of 0.0015 in (0.038 mm) less than maximum may b

8、e used. CAUTION NOTICE: This Standard may be revised or withdrawn at any time. The procedures of the Standard Developer require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the dale of publication. Purchasers of standards may receive current infor

9、mation on all standards by calling or writing the Standard Developer. Printed in USA. Copyright O 1996 by THE SOCIETY OF - American National Standard MOTION PICTURE AND TELEVISION ENGINEERS 595 W. Harisdale Ave., While Plains, NY 10607 (914) 761-1100 Approved August 26,1996 ANSVSMPTE 179-1 996 SMPTE

10、 179 96 - 8357403 O002484 999 = FILM POSITION PERFORATION TRAVEL O o O a D- +I - e - ROW O ROW 7 ROW 5 ROW 3 ROW 1 (DISCARD) Figure 1 - 35-mm film perforated 2R and 5R Table 1 - Specifications Dimensions Inches Mi II imete rs A B C) E) D F G) H2) K) J L R 0.228 ref 0.163 min 0.047 max 0.271 min 0.36

11、1 max 0.585 min 0.675 max 0.393 k 0.002 0.899 min 0.989 max 1.213 min 0.005 max 5.79 ref 4.14 min 1.19 max 6.88 min 9.17 max 14.86 min 17.14 max 9.98 f 0.05 22.83 min 25.12 max 30.81 min 0.13 max )See note 3. *)See note 2 and annex A.1. Page 2 of 3 pages SMPTE 177 76 8357403 0002485 825 ANSVSMPTE 17

12、9-1996 Annex A (informative) Additional data A.l If prints are made with a step printer, the registration device should be in the minus-2 perforation, or that perfora- tion which corresponds to the minus-2 perforation, when the final print stage is reached, to obtain maximum benefit of cancellation

13、as films are projected in accordance with ANSI/CMPTE 154, which specifies the minus-2 position for projected films. A.2 The row position numbers appearing in the scope of this standard specify how the rows of perforations are placed on the film. This designation is necessary only when the film stock

14、 is wider than its end use and more than one combina- tion of perforation rows is possible. The perforation rows are numbered starting at the reference edge, which is the edge nearest that row of perforations which is retained in the slitting operation. The row of perforations which is discarded is

15、given the number O. Negative or intermediate films which are not slit may contain a O-numbered row of perforations if that perforated row corresponds to the discard row of perfo- rations on the subsequent print stock. Annex 6 (informative) Bibliography ANSI/SMPTE 154-1 993, Motion-Picture Film (8-mm Type S) ANSIISMPTE 165-1 994, Motion-Picture Film (35-mm) - - Projectable image Area and Projector Usage ANSIISMPTE 157-1 994, Motion-Picture Film (8-mm Type S) - Camera Aperture image and Usage Perforated 8-mm Type S, 5R (1 -3-5-7-0) Page 3 of 3 pages