GB/T 2927-1994Optical printing ratios for enlargement and reduction of motion-picture film images-specification (English PDF)
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
December 28, 1994
Implementation date
August 1, 1995
Scope
GB/T 2927-1994 (Optical printing ratios for enlargement and reduction of motion-picture film images-specification) is available as an English-translated PDF.
GB/T 2927-1994 — This standard specifies when using intermittent printing process to convert a video frame size chip optical zoom in or out of the smallest ratios. This standard applies to optical printing process of the film.
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Document preview — GB/T 2927-1994
National Standard of the People's Republic of China
- ICS
- 37.06
- Classification
- A 15
- Replacing
- GB 2927-1982
Issued by: State Bureau of Technical Supervision
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies when using intermittent printing process to convert a video frame size chip optical zoom in or out of the smallest ratios. This standard applies to optical printing process of the film.
Document data
International classification (ICS): 37.06.
Chinese classification (CCS): A15.
Estimated length of the Chinese original: 2,280 words.
Adopted international standard: ISO 4238-1976, NEQ.
Supersedes the earlier edition GB 2927-1982.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 2 pages — is available in the English PDF.
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