眼睛和电视机距离3.7米,那几寸的电视机最合适,最科学的
推荐回答(1个)
电视机的屏幕越大所需要的观看距离就越大,这是应为人眼睛在不转动的情况下视角是有限的,合理的距离,既是要求让人能够再不转动眼睛和头部的情况下看清楚电视画面的每一个角落。一般建议观看距离为电视高度的3-4倍。 电视机的亮度参数相差很大,从300-1000nit全有。两度较高会产生刺眼的感觉,甚至灼伤眼睛,过低的亮度眼睛必须高度集中,极容易疲劳,长期使用低亮度的产品更容易患近视眼。传播中的光强会随着距离而减弱,一般电视的能量主要是在上下左右 160度范围内扩散,理论要求传播到人眼的光强最好在85-110nit之间,这是保证视觉健康的一个理想数值。通常可以参考地观看距离是电视机屏幕亮度的两百分之一左右。 一般情况下,专家建议的不同尺寸电视的最佳观看距离分别是: 15英寸 1.52米 17英寸 1.73米 20英寸 2.03米 21英寸 2.13米 25英寸 2.54米 29英寸 2.95米 30英寸 3.05米 34英寸 3.45米 42英寸 4.27米 43英寸 4.37米 45英寸 4.57米 50英寸 5.08米 55英寸 5.59米 60英寸 6.10米 70英寸 7.11米
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