Unverified80% confidenceTradeoffTime unknown
泛光角度越大越适合近距离作业但照射距离短；聚光远射适合探路但视野窄，混合光斑（泛光+聚光）才能兼顾
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified光束角越窄光斑越聚焦有质感，但照射范围小、需要更多灯具数量；宽光束覆盖广但缺乏层次感，无主灯设计中窄光重点+宽光基础需搭配使用85% similarUnverified双光源设计（泛光+聚光）可同时兼顾近距离路面感知和远距离障碍识别，但双灯同开时续航会显著缩短85% similarUnverified远射聚光与泛光是矛盾的：聚光看得远但视野窄，泛光近距离照明范围大但射程短，营地/近距作业选泛光，找路/搜索选聚光，混合光束档最通用85% similarUnverified流明高看得亮但看不远，射程取决于反光杯深度和光斑聚焦，聚光型(TIR/深杯)射程远但泛光弱，泛光型(浅杯)照面广但打不远，露营选泛光、远搜选聚光84% similarUnverified追求超远射程（聚光探照）不建议作为日常头灯，聚光光斑窄且近处地面照不到，行走时需频繁低头，泛光或泛光+聚光混合光型才适合大多数移动场景83% similar
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