Is the focal length constant and the working distance constant?
Is the focal length constant and the working distance constant?, Total:7 items.
The international standard classification for "Is the focal length constant and the working distance constant?" includes: .
The Chinese standard classification for "Is the focal length constant and the working distance constant?" includes: .
Professional Standard - Machinery
- JB/T 5665-2014 Determination of Camera Working Distance (Camera Bellows Focal Length) and Distance Accuracy
- JB/T 5665-1991 Determination of camera working distance (camera bellows focal length) and distance accuracy
机械电子工业部
- JB 5665-1991 Determination of Camera Working Distance (Camera Bellows Focal Length) and Distance Accuracy
Taiwan Provincial Standard of the People's Republic of China
- CNS 6294-1980 Method of Measurement for Focal Length of Photographic Lenses - Focal Length Comparing Method
Military Standard of the People's Republic of China-General Armament Department
- GJB/J 3358-1998 Focal length meter calibration procedures
National Metrological Verification Regulations of the People's Republic of China
- JJG 311-1996 Vdrification Regulation of Focometer
RU-GOST R
- GOST 13095-1982 Objective lenses. Method of measuring the focal length
