Unverified85% confidenceTradeoffTime unknown
凸面广角镜带来更大视野，但会造成一定的图像畸变，宝宝在镜中看起来比实际略小、距离感偏差
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85%
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Long-term
Relevance
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Unverified凸面镜视野广但物体会比实际看起来更小更远，夜间或光线不足时对后排宝宝细节的辨识度不如平面镜清晰90% similarUnverified凸面镜（曲面镜）视野比平面镜广约30-50%，但会缩小影像导致对宝宝表情判断困难；镜面直径≥15cm的凸面镜可兼顾广视野与可辨识度89% similarUnverified凸面镜（曲面镜）视野比平面镜宽约30%-40%，能看到整个座椅区域，适合观察婴儿全身状态；但凸面会使影像轻微变形失真，对判断精细表情有影响85% similarUnverified采用平面镜而非凸面镜，视野范围相对凸面镜更窄，但成像不变形、更清晰真实，适合需要清楚观察宝宝表情细节的家长84% similarUnverified凸面镜虽视野广但成像会缩小，选择时镜面直径宜在15-25cm之间：太小看不清宝宝表情，太大遮挡驾驶员正常后视野形成安全隐患83% similar
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