ISO 3026:1992 PDF

Name: ISO 3026:1992 — Cinematography — Printed 8 mm Type S image area on 35 mm motion-picture film perforated 8 mm Type S, 2R-4.227 (1664) or 5R-4.234 (1667) — Position and dimensions
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Cinematography — Printed 8 mm Type S image area on 35 mm motion-picture film perforated 8 mm Type S, 2R-4.227 (1664) or 5R-4.234 (1667) — Position and dimensions

Название (английский):

ISO 3026:1992

Cinematography — Printed 8 mm Type S image area on 35 mm motion-picture film perforated 8 mm Type S, 2R-4.227 (1664) or 5R-4.234 (1667) — Position and dimensions

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 9 июля 1992 г.
Издание:: ISO IS 3026 edition 2 version 1
ICS:: 37.060.20

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Описание (английский):

The dimensions which define the image area are established from the row of perforations discarded after slitting. This row contains a wider perforation and is customarily used for lateral resgistration of the image. Annex A describes the use of a registration device for prints made with a step printer.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 3026:1992 specifies the position and dimensions of the printed 8 mm Type S image area when produced by optical or contact printing onto 35 mm motion‑picture film perforated 8 mm Type S (pitch variants 2R-4.227 (1664) or 5R-4.234 (1667)). The standard defines how the image area is located relative to a row of perforations that is discarded after slitting; this discarded row contains a wider perforation customarily used for lateral registration. Annex A gives informative guidance on using a registration (stop) device for prints made with step printers.

Key topics and technical requirements

Scope: Applies to negative, intermediate or positive prints produced on 35 mm film perforated 8 mm Type S.

Image referencing: Image dimensions and positions are referenced to the row of perforations removed after slitting; this ensures consistent lateral registration.

Registration spacing: A reference lateral registration dimension of 7.9 mm (0.311 in) is used, measured between the positioning perforation and the horizontal axis of the produced 8 mm image.

Dimension set: The standard provides a table (Table 1) and figure defining dimensional callouts (A–L and R) in both metric and inch units for accurate printing and verification.

Projector alignment: The vertical reference (cote H) is tied to “perforation minus 2” because that perforation aligns with the projector positioning used for direct front projection (see ISO 1781).

Informative annexes: Annex A - use of stop devices on alternative printers; Annex B - bibliographic references.

Practical applications and users

ISO 3026:1992 is intended for professionals and organizations involved in film production, printing and archiving, including:

Film laboratories performing optical contact or step printing of 8 mm Type S images onto 35 mm stock

Post‑production and finishing houses ensuring printed frames meet positional tolerances

Equipment designers (tireuses, step printers, registration devices) and projector manufacturers needing compatibility with projector positioning standards

Film restorers and archives validating historic prints and remastering workflows

Quality assurance and standards compliance teams implementing consistent image registration across prints

Using ISO 3026 helps ensure consistent image placement, reliable lateral registration, and projector compatibility - essential for projection, duplication and long‑term preservation of 8 mm Type S material.

Related standards

Informative references listed in the standard include:

ISO 1781:1983 (use of 8 mm Type S film in projectors)

ISO 1785:1983 and ISO 1787:1984 (8 mm image area and camera specifications)

ISO 3774:1988 and ISO 3775:1990 (35 mm film perforation, cut dimensions and 8 mm format image fields)

Keywords: ISO 3026, 8 mm Type S, 35 mm film, image area, film perforations, position and dimensions, film printing, registration device.

ISO 3026:1992 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

ISO 1781:1983

Cinematography — Projector usage of 8 mm Type S motion-picture film for direct front projection

ISO 1785:1983

Cinematography — Printed 8 mm, Type S, image area on 16 mm motion-picture film perforated 8 mm, Type S (1-4)…

ISO 1787:1984

Cinematography — Camera usage of 8 mm Type S motion-picture film — Specifications

ISO 3774:1988

Cinematography — 35 mm motion-picture film perforated 8 mm Type S (1-3-5-7-0) and (1-0) — Cutting and perfora…

ISO 3775:1990

Cinematography — Printed 8 mm Type S image area on 16 mm motion-picture film perforated 8 mm Type S (1-3) — P…

ISO 178:1993

Plastics — Determination of flexural properties

ISO 3026:1975

Cinematography — Printed 8 mm Type S image area on 35 mm motion-picture film perforated 8 mm Type S, 2R-4.227…