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说说VR眼镜的FOV镜头视角

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说说VR眼镜的FOV。我们选择VR眼镜时,眼镜的参数有个FOV,比如暴风魔镜的FOV是多少呢?魔镜4代选用的是FOV 96,暴风魔镜小D作为暴风魔镜系列的新成员选用了FOV 60°小视角镜头,小宅魔镜的FOV是80-95°。

FOV是什么?FOV是镜头视角。视角FOV是指镜头所能覆盖的范围,(物体超过这个角就不会被收在镜头里),一个镜头能涵盖多大范围的景物,通常以角度来表示,这个角度就叫镜头的视角FOV。简单的说就是我们眼睛看到的视野两侧边缘之间的夹角。

那FOV具体到VR眼镜上又是个什么作用什么影响的参数?屏幕越大对视场角的要求越高,而手机屏幕越小则不要求那么高的视场角,手机屏幕小时FOV大反而会破坏沉浸感,所以根据自己手机屏幕的大小作为参照选择虚拟现实眼镜会更合理。建议不要一味追求视场角,应该把重点放在沉浸感上,多了解产品更详细的技术参数,是不是对各类手机进行过细致评估,能够体验小尺寸屏幕手机的沉浸感。一个好的产品,对这些细节一定会详加考虑,而不是一味追求某一方面的指标,主要还是各个指标的综合性能。比如有的产品视场角做得很大,但很容易看到手机边界,沉浸感不佳;而有的产品视场角稍小,完全丧失了沉浸感,而平衡利弊既做到具备沉浸感又不会超出边框,以及合理的颗粒感,这样才是一款值得选择的VR移动眼镜。

比如暴风魔镜的两个系列,暴风魔镜4代和暴风魔镜小D。两种镜片,一种FOV96°极限大视场角,色差小,沉浸感强,适合玩3D游戏、足不出户游览世界名胜(360°全景视频体验),另一种FOV60°视场角,清晰度极高,同时保证一定沉浸感,不用进到电影院就能享受3D巨幕级的观影体验,两种镜片两种体验。而另一品牌魔镜小宅Z3是80-95°的,属于折中方案。

具体怎么选呢?比如5.7寸的手机,用110度的光学镜片会不会有好的效果。 产品最重要的还是体验 ,充分利用自己的资源,选择合适视场角的产品,更有利于获得好的体验效果,一般建议5.0”~5.7”手机,选择90°视场角已经完全能够满足使用要求,而对于5.0”以下手机,选择80°左右视场角产品或许会更佳,其实可以将90度当做一个黄金分割点来看,5.7寸以上的2K分辨率手机选择视场角90度以上的产品,5.0寸以下的手机选择90度以下的。

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