这种镜头为构图提供了理想的放大倍数，它让你在音乐会、婚礼及其他活动中无需太靠近目标以至于影响活动进程，就能捕捉到充分的细节。
It provides the ideal amount of magnification to frame portraits, and let you get great detail at concerts, weddings, and other events without moving up so close you disrupt the proceedings.
为帮助您理解这里所讨论的每个项目与整个应用程序之间的关系，请参考图1架构图中显示的步骤。
To help in understanding where each item discussed fits into the big picture, the steps in the architecture diagram from Figure 1 are referred to.
摄影师玛利亚·斯坦·泽尔让几种不同的光源为本照片进行构图。
Photographer Maria Stenzel allowed several different sources of light to create the architecture of this photograph.
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