Unverified90% confidenceTradeoffTime unknown
增益系数0.8-1.0属于偏低增益，画面均匀性好、可视角度较大，但对投影机亮度要求更高，搭配低亮度投影机会显得画面偏暗
1
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90%
Confidence
Long-term
Relevance
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Unverified增益越高（>1.3）画面越亮但可视角度越窄、易出现中间亮四周暗的热点效应；家用观影多人观看建议增益0.9-1.2以保证视角均匀84% similarUnverified灰塑幕（增益约0.8-1.0）通过降低反射光提升黑位表现，适合有轻微环境光或投影机对比度较弱的场景，但整体亮度低于白塑，需搭配高亮度投影82% similarUnverified增益系数并非越高越好：增益＞1.5的高增益抗光幕可视角度会明显变窄（通常＜30度半增益角），多人分坐两侧观看时边缘座位亮度衰减严重78% similarUnverified对画质有较高要求的用户不适合，LCD投影技术在色彩饱和度、对比度和画面通透感上明显弱于同价位DLP方案，画面偏暗偏黄是常见反馈78% similarUnverified峰值亮度高、色彩准确度好，户外可视性在同级别中表现优秀，但屏幕尺寸偏小，对影音沉浸感有一定影响75% similar
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