2 一光點位於透鏡前 50 cm 處,透鏡屈光度為+6.00DS/-2.00DC×090,最小模糊圈(circle of least confusion)
距離透鏡為多少?
(A)+14.29 cm
(B)+16.67 cm
(C)+33.33 cm
(D)+100.00 cm
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統計: A(14), B(20), C(180), D(7), E(0) #2761784
統計: A(14), B(20), C(180), D(7), E(0) #2761784