GB/T 2924-1995
Determination of ISO speed of colour negative films for photography (English Version)
- Standard No.
- GB/T 2924-1995
- Language
- Chinese, Available in English version
- Release Date
- 1995
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2009-02
- Replace By
- GB/T 2924-2008
- Latest
- GB/T 2924-2008
- Scope
- This standard specifies the method for measuring the ISO sensitivity of negative film for color photography. Specific provisions are made on safety lights, sample exposure conditions, sample processing, density measurement, sensitivity calculation methods, and product sensitivity determination methods. This standard is applicable to the sensitivity determination of color photographic negative films for photography, which can be used for printing reflective color photographs, and can also be used for printing color transparent films. This standard does not apply to aerial photography color negative films and color films used to make color intermediate films. Sensitivity measurement of color film negative can refer to this standard for 1).
GB/T 2924-1995 history
- 2008 GB/T 2924-2008 Photography.Colour negative films for still photograpy.Determiation of ISO speed
- 1995 GB/T 2924-1995 Determination of ISO speed of colour negative films for photography
