At a medium stop, the focalrange 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。
2
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。
3
Zoom lens a lens whose focal length can be varied continuously over a substantial range.