本题目来源于试卷: Physics Unit25: Optical Instrument,类别为 Generic Physics
[单选题]
A camera lens that covers the film wiwqe,2(gdzec* 62g v fyth a wider field ofu )t*mm.k4bbz view than that of the eye and through which objects appear smaller is referred to *m 4bu k.mbz)tas a
A. normal lens.
B. telephoto lens.
C. wide-angle lens.
D. zoom lens.
参考答案: C
本题详细解析:
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