FIG. 6 shows an optical system that includes a series of collection optics and optical concentrators.

图6显示了包括一系列收集光学器件与光学集中器的光学系统。

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This compact, easy-to-carry lens is ideal for photo enthusiasts looking to add a bright, general purpose zoom to their collection of full-frame optics.

这个小巧，易于携带摄影镜头是寻求增加明亮，通用放大他们的全画幅光学收集爱好者的理想选择。

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See more clearly with 2 x the light collection than regular VGA optics.

更清楚地看到了2倍根据收集比普通的VGA 光学。

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