Unverified80% confidenceTradeoffTime unknown
泛光（宽光斑）适合看清近处地面和周边环境，聚光（远射）适合看清前方远处，越野跑理想是可切换或双光源；纯远射聚光灯用于跑步会因看不清脚下而增加崴脚风险
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified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91% similarUnverified选购户外头灯应确认远射（聚光spot）与泛光（flood）可切换或混合：纯泛光看不清远处路况，纯聚光走路时脚下黑，越野跑/技术性徒步需要两者兼备的复合光斑85% similarUnverified越野跑/夜跑选近光泛光型头灯，光斑要宽而柔和（120°以上散光）避免只照亮脚下一点；纯远射聚光头灯跑动时视野忽明忽暗易眩晕84% similarUnverified主动LED发光，主动可见性远优于被动反光条，适合光线极差的无路灯道路夜跑83% similarUnverified该灯定位为跑步/步行轻量补充警示灯，适合已有主灯（头灯/前灯）、额外增加被动可见性的用户，而非作为单一照明或强警示工具使用82% similar
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