GB/T 7242-1987
Replaced
GB/T 20224-2006
Active
National standards
GB/T 20224-2006 Determination of exposure index, SO speed ratings, standard output sensitivity and recommended exposure index for digital still cameras
GB/T 20224-2006 Determination of exposure index, SO speed ratings, standard output sensitivity and recommended exposure index for digital still cameras
Basic Information
Standard Code:
GB/T 20224-2006
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Cameras and photographic equipment
ICS Name:
Photographic equipment, projectors
Publish Date:
2006-04-05
Implement Date:
2006-11-01
Pages:
18 pages
Scope
This standard specifies the methods for determining and announcing the ISO sensitivity value and ISO sensitivity tolerance value, the standard output sensitivity value, and the recommended exposure index value of digital cameras. This standard is applicable to monochrome and color digital cameras.
Development Information
Referenced Standards
ISO 554
ISO 7589
IEC 61966-2-1
ITU R-BT.709
GB/T 19894-2005 Digital still-picture cameras—Methods for measuring opto-electronic conversion functions(OECFs)
JB/T 8249.7-1999 Camera - Automatic exposure control
GB/T 19894-2025 Digital still-picture cameras—Methods for measuring opto-electronic conversion functions(OECFs)
Adopt standards
ISO/DIS 12232:2004
Related Standards
GB/T 9048-1988
Abolished
GB/T 9048-1988 Image area produced by 65mm and 70mm motion-picture camera aperture and maximum projectable image area on 70mm motion-picture prints—Positions and dimensions
GB/T 13157-1991
Active
GB/T 13157-1991 Overall electro-acoustic frequency response for reproduction of 35mm optical sound track—Reproduction characteristics
GB/T 13964-1992
Replaced
GB/T 13964-1992 Photographic machinery—Vocabulary
GB/T 13985-1992
Replaced
GB/T 13985-1992 Operating force and strength of camera
GB/T 13986-1992
Abolished