眼睛正对着电视屏幕的时候，可视角度与距离的关系。剧场感受推荐是40度角，舒适观看感受的最小角度是30度角。。


https://www.rtings.com/tv/reviews/by-size/size-to-distance-relationship

The Guidelines from the Society of Motion Picture & Television Engineers recommends sitting at a distance where the screen fills up about 30° of your field of vision as a minimum for a good experience.

Different viewing distances and their FOV Using a theater style field of view requires sitting a bit closer
This generally provides good guidance, but users that use their TVs mostly for watching movies might benefit from sitting a bit closer to get a more theater-like. The SMPTE "reference" position for movie theaters and the THX recommendation is about 40°. The minimum angle of vision works well for most usages though and sitting at a distance where the screen fills 30° of your horizontal field of view should be comfortable for most people.

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