本题目来源于试卷: Physics Unit25: Optical Instrument,类别为 Generic Physics
[单选题]
A camera lens that acts l ) cyqfo:vn7cxt wn(n8ud6q k5:po ,o4ike a +upo9 9arv m58z :vprrtelescope to magnify images is referred to as a
A. normal lens.
B. telephoto lens.
C. wide-angle lens.
D. zoom lens.
参考答案: B
本题详细解析:
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