At a medium stop, the focal range is so great that entire scenes can be reproduced sharply.

在中等停止，焦距范围是如此之大，整个场景可以重现大幅上升。

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Focal points can take many forms in landscapes and could range from a building or structure, a striking tree, a boulder or rock formation, a silhouette etc.

在风景摄影中，焦点可以以很多种形式出现，比如建筑物，树枝，一块石头或者岩层，一个轮廓等等。

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Zoom lens a lens whose focal length can be varied continuously over a substantial range.

变焦镜头可以把焦矩在相当大的范围内连续改变的镜头。

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The lens on the STYLUS XZ-10 is a 5x optical zoom that covers a focal range from 26-130mm (35mm film camera equivalent).

ENGADGET: Olympus unveils Stylus XZ-10 with f/1.8-2.7 zoom, smartphone sharing app

The new pocket-able PowerShot ELPH 115 IS digital camera features an 8x optical zoom lens (28-224mm), which provides a focal range to capture most any situation.

ENGADGET: Canon PowerShot A2500, ELPH 330 HS, 115 IS point-and-shoots debut ahead of CP+

The 330 is similar to the 130 IS, which we first saw at CES, boosting the focal range from 8x to 10x, with a 24mm wide-angle lens.

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