IS 11591 (1985): Camera usage of 16 mm motion …IS : 11591 - 1985 Indian Standard SPECIFICATION fOR CAMERA USAGE OF 16 mm MOTION-PICTURE FILM 0. FOREWORD 0.1 This Indian Standard

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IS 11591 (1985): Camera usage of 16 mm motion picture film[MED 32: Photographic Equipment]

IS:11591-1985

Indian Standard SPECIFICATION FOR

CAMERA USAGE OF 16 mm MOTION-PICTURE FILM

Cinematographic Equi_pment Sectional Committee, ETDC 47

Chairman

SHRI B. A. MISTRY 15, Parsee Panchayet Road,

Ministry Apartments, Bombay

Members Representing

SHRI S. N. AQARWAL Cinecita Pvt Ltd, Bombay SHRI S. P. A~ARWAL ( Alternate )

SHRI R. S. ARORA Directorate General of Supplies & New Delhi

SHRI D. L. TALURAR ( Alternate ) SHRI S. C. BATRA Directorate of Technical Development and Produc-

tion ( Air 1, Ministry of Defence. New Delhi .- SHRI R. P. A~ARWAL ( Alternate )

SHRI N. P. BHATTACHARYA National Council of Educational Research and Training, New Delhi

SHRI BRUP~N GHOSH Cine Mechanical Works, Calcutta SRRI MANNA LADIA ( Alternate )

SHRI Y. R. CHAUHAN Cine Sales Corporation, Delhi SHRI R. S. CHAUHAN ( Alternate )

SHRI B. P. GHOSH National Test House, Calcutta SHRI B. C. MUKHERJEE ( Alternate )

SHRI M. C. MANI Photophone Pvt Ltd, Bombay SHRI A. B. KUCHERIA ( Alternate )

SRRI JAL P. MISTRY International Talkie Equipment Co Pvt Ltd, Bombav

’ SHRI DIPAK B. ADALJA ( Alternate ) SHRI N. NARAYANA Rao Ministry of Defence ( DGI )

SHRI D. R. DHIMAN ( Alternate ) SHRI K. RAJCJOPAL CHETTY Devi Cine Projector Manufacturing Co, Madras

SHRI K. N. GNENAPRAOASAM ( Alternate )

( Continued on Page 2 )

@ Cojyright 1986

INDIAN STANDARDS INSTITUTION

This publication is protected under the Indian Copyright Act ( XIV of 1957 ) and reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an infringement of copyright under the said Act.

IS : 11591-- 1985

(Continued from page 1 )

Mtmbcrr

SHRI K. N. RAMASWAMY

SHRI BALRAJ BHANOT SERI RAM PRASAD

SHRI SATISH KUMAR

SERI P. V. K. REDDY DR S. P. SIN~HAL

SIUZI G. SINHA

SERI A. R. MURALI ( SERI S. S. VOHRA

SHRI S. P. SACEDEV, Director ( Elec tech )

Representing

Directorate General of Technical Development, New Delhi

( Alternate ) National Physical Laboratory ( Optics Division )

( CSIR ), New Delhi Film and T.V. Institute of India ( Ministry of

Information and Broadcasting ), Pune ( Alternate )

National Physical Laboratory ( Acoustics Division ) ( CSIR ), New Delhi

Hindustan Photo Films Manufacturing Co, Ootacamund

Altqnatc ) Films Division ( Ministry of Information & Broad-

casting ), Bombay Director General, ISI ( Ex-ojicio Member )

Secretary

SHRI B. K. MARATA Joint Director ( Elec tech ), IS1

2

IS : 11591 - 1985

Indian Standard SPECIFICATION fOR

CAMERA USAGE OF 16 mm MOTION-PICTURE FILM

0. FOREWORD

0.1 This Indian Standard was adopted by the Indian Standards Institution on 28 November 1985, after the draft finalized by the Cinematographic Equipment Sectional Committee had been approved by the Electrotechnical Division Council.

0.2 This standard has been prepared with a view to standardize the position of the emulsion, the rate of exposure and the orientation of the emulsion area being exposed for 16 mm silent and sound motion-picture film perforated along one or both edges.

0.3 In preparing this standard, assistance has been derived from IS0 25-1976 ‘Cinematography - Camera usage of 16 mm motion-picture film - Specifications’ issued by the International Organization for Standardization.

1. SCOPE

1.1 This standard specifies the position of the emulsion, the frame rate of exposure, and the orientation of the emulsion area being exposed for 16 mm silent and sound motion-picture film perforated along one ar both edges.

2. SPECIFICATIONS

2.1 The frame rate of exposure for film not used for sound shall normally be 18 or 24 frames per second depending upon its intended use.

2.2 The frame rate of exposure for film containing a sound record or to be used in conjunction with a sound record shall be 24 or 25 frames per second for both photographic and magnetic sound, except for films photographed at 18 frames per second having post-process recorded magneticsound, which should be projected at 18 frames per second.

NOTE - Special ‘no sound’ films may be photographed at any rate frcm time lapse to high speed; the intented frame rate for projection should be noted.

3

IS : 11591.1985

2.3 Film positioning is shown in Fig. 1.

DIRECTION OF FILM TRAVEL

FIG. 1 FILM POSITIONING