Method for measuring modulation transfer function value of measurement lens
A modulation transfer function and lens technology, applied in optics, instruments, photography, etc., can solve the problems of maximum and minimum brightness deviation, inaccurate modulation transfer function value of the lens to be measured, etc., to avoid deviation and improve measurement accuracy. Effect
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[0013] The method for measuring the modulation transfer function value of the lens according to the technical solution will be further described in detail below with reference to the accompanying drawings and multiple embodiments.
[0014] The method for measuring the modulation transfer function value of the lens provided by the technical solution may include the following steps:
[0015] The first step is to provide a lens modulation transfer function measurement device 10 and a lens to be tested 100 . The lens modulation transfer function value measurement device 10 includes a test board 11, an image sensor 12, a carrying platform 13, a processor 14, a first driver 15 and a second driver 16, such as figure 1 shown.
[0016] The test board 11 can be square, and its surface has a plurality of test patterns symmetrical to the center of the test board 11 , and each test pattern can include a plurality of stripes arranged at intervals. like figure 2 As shown, the test board ...
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