focal length and working distance
focal length and working distance, Total:3 items.
The international standard classification for "focal length and working distance" includes: .
The Chinese standard classification for "focal length and working distance" includes: .
Professional Standard - Machinery
- JB/T 5665-1991 Determination of camera working distance (camera bellows focal length) and distance accuracy
- JB/T 5665-2014 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
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