GB/T 7242-1987 Replaced National standards

GB/T 7242-1987 Centering errors of lenses

Publish Date: 1987-02-06 Implement Date: 1987-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7242-1987

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Optical instruments

ICS Name: Photographic equipment, projectors

Publish Date: 1987-02-06

Implement Date: 1987-12-01

Publisher: National Standards Bureau

Pages: 5 pages

Development Information

Drafting Units:

Xi'an Institute of Technology

Drafting Persons:

Guo Legun and Yun Zixiu

Word Count: 8 Thousand words Pages: 5 pages

Superseded by the following standards

GB/T 7242-2010 Centering error of lenses

Related Standards

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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

Publish Date: 1988-04-12

GB/T 13157-1991 Active

GB/T 13157-1991 Overall electro-acoustic frequency response for reproduction of 35mm optical sound track—Reproduction characteristics

Publish Date: 1991-09-16

GB/T 13964-1992 Replaced

GB/T 13964-1992 Photographic machinery—Vocabulary

Publish Date: 1992-12-17

GB/T 13985-1992 Replaced

GB/T 13985-1992 Operating force and strength of camera

Publish Date: 1992-12-19

GB/T 13986-1992 Abolished

GB/T 13986-1992 Photoelectric method for measuring exposure in focal planes of camera

Publish Date: 1992-12-19

GB/T 13987-1992 Replaced

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Publish Date: 1992-12-19