Unverified85% confidenceFactTime unknown
LED灯珠型号影响光效与显色，SST-40/XHP系列偏高流明冷白光，LH351D/519A等高显指灯珠（CRI≥90）辨色更真实但流明略低，观察细节或摄影补光选高显指
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85%
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Long-term
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Unverified手电常见LED灯珠中，SST/XHP系列偏重高亮长射程，SFT/519A等显色型灯珠显色指数高（CRI≥90）看物体颜色更真实，户外辨物和拍摄可选高显色型号90% similarUnverified亮度与护眼存在权衡：高显色高护眼的LED光效偏低，同瓦数下比廉价灯珠暗，追求护眼需接受选更高功率(建议阅读灯≥6W/400lm)而非最省电型号79% similarUnverifiedLED光源亮度高、色温偏冷、寿命长且免维护，卤素/氙灯显色更接近自然、观察出血和色差更真实但发热明显、需换灯泡；宠物眼科兼顾组织色差判断可优先高显指LED或氙灯79% similarUnverifiedLED灯带线性光比点状灯珠光更均匀，无明显亮暗光斑；选择灯珠密度≥60颗/米的产品，低密度灯带在台面反射会出现斑马纹78% similarUnverified看流明而非瓦数选灯，LED光效差异大：劣质灯80lm/W，优质灯120lm/W以上，同样30W实际亮度可差50%78% similar
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