已修复了山洞的低视野距离显示故障（二次断层）。
Visual Glitches ("pop-in") on caves with low view distances is fixed.
望远镜跨越距离；显微镜消弭尺寸的限制；还有其他一些工具能够探测到视野之外的声音或光线。
Telescopes cross distance; microscopes, size; other tools detect sounds beyond hearing or light beyond sight.
一个镜头的基础定义是其焦距，图4图示出镜头焦距，视野，感应器大小，和工作距离间之关系。
A lens is primarily defined by its focal length. Figure 4 illustrates the relationship between the focal length of the lens, field of view, sensor size, and working distance.
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