Once the body is autofocusing correctly with the tool lens, then the camera can be checked against other lenses.

一旦机身能用标准镜头正确的自动对焦，那么会再用其他镜头检测此机身。

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It costs 200 dollars although you may well want to spend more—perhaps as much as another 200 dollars—on buying additional lenses and other equipment.

它的成本是200美元，尽管你可能想花更多的钱——也许是再花200美元——来购买更多的镜头和其他设备。

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In the second experiment, 50 students were similarly divided into two groups, this time in equally bright rooms, but one group was given sunglasses to wear and the other glasses with clear lenses.

在第二个实验中，50名学生被同质地分为两个组，这一次两组被试都在光线强度相同的明室中进行实验，其中一组被试被要求佩戴墨镜，另一组则佩戴透镜。

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The reshaped cornea corrects the patient's bad eyesight so he or she does not have to wear glasses or other corrective lenses.

VOA: special.2010.09.01

These other lenses, such as culture, give us different insights into how entrepreneurial economies function.

FORBES: Connect

In other words, the lenses would collectively form a single eye.

ECONOMIST: Brittlestar eyes

There are many other issues that affect aging eye lenses too, so older eyes require different lighting solutions.

FORBES: How To Light A Kitchen For Older Eyes