[KongchangAI]
Unverified90% confidenceTradeoffTime unknown

核心优势在于光学素质、机械做工和品牌溢价带来的保值性;劣势是价格远超同规格竞品、自动对焦等电子化功能相对薄弱、售后维修周期较长且费用高

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90%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/794000
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curl https://kongchang.com/api/v1/knowledge/claims/794000
MCP
get_claim(id=794000)