Unverified85% confidenceTradeoffTime unknown
照射距离远（聚光）与照明范围广（泛光）不可兼得：聚光适合远距离搜索定位，泛光适合近距离作业和居家照明，应急居家场景选泛光更实用
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85%
Confidence
Long-term
Relevance
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First Seen
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Unverified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86% 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泛光（近光）适合近距离走路看脚下，聚光（远射）适合看远处路况。徒步/露营优先泛光为主，越野下坡和探洞需要聚光+泛光双光源可切换85% similarUnverified主打远射聚光的光学调焦头灯，适合需要远距离照明的户外场景，但不是纯泛光作业型头灯85% similarUnverified以泛光大面积照明为主，中心光斑聚光能力一般，不适合需要远距离精准聚焦搜索的场景83% similar
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