Unverified90% confidenceDecision RuleTime unknown
潜水/浮潜场景必须选带浮力棒或防丢绳的配件，浮力棒长度≥30cm可保证相机进水后浮于表面，纯手持腕带在浪涌中脱手概率极高
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Unverified承重类挂绳（相机/水壶）应选静态绳芯（编织涤纶），拉伸率≤5%；弹力伸缩挂绳仅适合防遗失轻量物（≤200g），承重会导致回弹晃动损伤设备74% similarUnverified配备可拆浮力挂绳，落水后袋体会浮在水面不易沉底，适合浮潜、漂流等水面活动；但若用于较深水域潜水拍摄，浮力绳产生的拉扯力反而影响操控73% similarUnverified平衡/协调能力差或有跌倒史者选浮具时须确认水下抓握手柄有防滑纹理且直径适中（约3-4cm），过细手柄湿滑时握不牢，过粗则手部力量弱者抓不稳72% similarUnverified配备臂带和挂绳双固定方式，适合浮潜和潜水中解放双手，但不具备浮力/防沉设计，脱手后手机会下沉72% similarUnverified选择自带浮力设计或系绳孔的反光镜：无系绳孔的镜片落水即沉，救生场景中丢失率极高，系绳孔可搭配腕带或救生衣固定72% similar
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