He Ping'an, Lin Yinsen, Yu Mozhi, Liu Fenglan. Image Measurement System of Lens Focal Length with CCD Camera[J]. Geomatics and Information Science of Wuhan University, 1999, 24(1): 83-85.
Citation:
He Ping'an, Lin Yinsen, Yu Mozhi, Liu Fenglan. Image Measurement System of Lens Focal Length with CCD Camera[J]. Geomatics and Information Science of Wuhan University, 1999, 24(1): 83-85.
He Ping'an, Lin Yinsen, Yu Mozhi, Liu Fenglan. Image Measurement System of Lens Focal Length with CCD Camera[J]. Geomatics and Information Science of Wuhan University, 1999, 24(1): 83-85.
Citation:
He Ping'an, Lin Yinsen, Yu Mozhi, Liu Fenglan. Image Measurement System of Lens Focal Length with CCD Camera[J]. Geomatics and Information Science of Wuhan University, 1999, 24(1): 83-85.
Image Measurement System of Lens Focal Length with CCD Camera
An image measurement system of lens focal length, based on magnification method, with CCD camera is introduced. in which the photosensitive area of the CCD is used as a ruler with high accuracy instead of reading microscope. The system makes it possible the photoelectronic automatical measurement of the focal length. The measued results of two lens is given.
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