Unverified85% confidenceTradeoffTime unknown
传统光学猫眼门镜视角超过160°会产生明显鱼眼畸变,选择200°广角光学猫眼可减少门两侧盲区,但边缘图像变形不可避免
1
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85%
Confidence
Long-term
Relevance
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Unverified光学猫眼务必选择带防窥防拆结构(内置遮光板或防钻孔设计)的,普通光学猫眼可被外部工具反向窥视或拆卸后开锁77% similarUnverified鱼眼镜头(180°/238°)畸变是特色而非缺陷,用于运动/极限视角,误买鱼眼当广角用会后悔,需区分'超广角'与'鱼眼'两个品类72% similarUnverified广角/鱼眼镜头看『畸变控制』要区分:真正的广角镜头保留直线,鱼眼镜头故意桶形畸变;买风光用广角别买标注150°+的鱼眼,边缘会严重变形72% similarUnverified镜框宽度应约等于脸最宽处宽度,镜框上缘不超过眉毛、下缘不触及脸颊;瞳孔应落在镜片水平中心略偏上位置,偏离会导致视觉别扭和光学中心偏移69% similarUnverified双眼度数差异超过100度、或伴有明显散光/远视,成品老花镜(左右同度数)会导致视物疲劳和头晕,应到验光机构定制单光片而非买成品69% similar
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