40 是视野角度（FOV），就像你睁大眼睛还是眯着眼睛看。
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The telephoto camera alone is also technically interesting in a few ways. It offers continual optical zoom across the 75-100mm range without in-sensor cropping. This means the lenses physically move to deliver lossless zoom across a range of distances, without jarring leaps between camera sensors and crops. This doesn’t run across the full gamut, but it does roughly cover the 3-4x optical zoom range, which is often used in portrait photography.。关于这个话题，heLLoword翻译官方下载提供了深入分析
在宗教的神圣性上，阿拉伯人自视为“天选之民”，是伊斯兰教的源代码。，更多细节参见体育直播