CRT电视最佳视距选择4:3电视机的最佳视距标称屏幅实际屏幅屏幕高度最佳视距14英寸12英寸12×1.524=18.288cm55~92cm21英寸19英寸19×1.524=28.956cm87~145cm25英寸23英寸23×1.524=35.052cm105~175cm29英寸27英寸27×1.524=41.148cm123~205cm34英寸32英寸32×1.524=48.768cm146~244cm38英寸36英寸36×1.524=54.864cm165~274cm43英寸42英寸42×1.524=64.008cm192~320cm50英寸49英寸49×1.524=74.676cm224~373cm60英寸59英寸59×1.524=89.916cm270~450cm平板电视最佳视距选择16:9电视机的最佳视距标称屏幅实际屏幅屏幕高度最佳视距28英寸26英寸26×1.245=32.37cm97~162cm32英寸30英寸30×1.245=37.35cm112~187cm36英寸34英寸34×1.245=44.82cm134~224cm42英寸41英寸41×1.245=51.045cm153~255cm46英寸45英寸45×1.245=56.025cm168~280cm50英寸49英寸49×1.245=61.005cm183~305cm60英寸59英寸59×1.245=73.455cm220~367cm