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lens focus

lens focus, Total:16 items.

In the international standard classification, lens focus involves: Photography, Cinematography, Standardization. General rules.

RU-GOST R, lens focus

• GOST 13095-1982 Objective lenses. Method of measuring the focal length
• GOST 19322-1981 Lenses for still picture cameras. Ranges of focus distances

Taiwan Provincial Standard of the People's Republic of China, lens focus

• CNS 5639-1980 Focal Length Markings of Lenses
• CNS 6293-1980 General Rule of Measurement for Focal Length of Photographic Lenses
• CNS 6294-1980 Method of Measurement for Focal Length of Photographic Lenses - Focal Length Comparing Method
• CNS 6296-1980 Method of Measurement for Focal Length of Photographic Lenses - Nodal Slide Method
• CNS 6295-1980 Method of Measurement for Focal Length of Photographic Lenses - Distant Objective Aiming Method

Japanese Industrial Standards Committee (JISC), lens focus

• JIS B 7094:1997 Photographic lenses -- Measurement of the focal length

Korean Agency for Technology and Standards (KATS), lens focus

• KS B 5408-2013(2018) Photographic lenses — Measurement for focal length
• KS B 5408-1982 Photographic lenses — Measurement for focal length
• KS B 5408-2013 PHOTOGRAPHIC LENSES ― MEASUREMENT FOR FOCAL LENGTH

KR-KS, lens focus

• KS B 5408-2023 Measurement for focal length of photographic lenses

Professional Standard - Machinery, lens focus

• JB/T 8248.5-1999 Method for measuring the focal length of camera lenses

CZ-CSN, lens focus

• CSN 19 0020-1985 Focal distances of photographic enlarging and projecting lenses

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, lens focus

• GB/T 9917.1-2002 Camera lens--Part 1: Zoom lens
• GB/T 9917.2-2008 Camera lens.Part 2:Fixed focus lens

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