ISO 3820:1978 PDF
Cinematography — Sprockets for 8 mm Type S motion-picture film — Dimensions and design
Cinematography — Sprockets for 8 mm Type S motion-picture film — Dimensions and design
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 8
- Дата публикации:
- 1 февраля 1978 г.
- Издание:
- ISO IS 3820 edition 1 version 1
- ICS:
- 37.060.10
This International Standard lays down the dimensions and specifies requirements for the design of sprockets used with 8 mm Type S motion-picture raw stock or processed film.
Abstract
Overview
ISO 3820:1978 specifies the dimensions and design requirements for sprockets used with 8 mm Type S motion‑picture raw stock and processed film. The standard defines tooth geometry, spacing, working height, tolerances and recommended film paths so sprockets reliably engage perforations without damaging film or introducing instability during transport.
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