JJC 18%灰卡 双面灰白卡

评测依据

• review_count：6200
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:46:44","to":"2026-06-26 02:46:44"}
• intros：{"brand_intro":"JJC（捷捷）是中国摄影配件行业的知名品牌，成立于2006年，总部位于广东。品牌专注于相机快门线、滤镜、清洁用品及色卡等配件，以做工精良、价格适中著称。JJC产品通过多项国际认证，远销欧美市场，在国内外摄影爱好者中拥有良好口碑。","product_intro":"GC-1是一款双面灰白卡，采用18%中性灰标准，一面灰色用于白平衡校准，一面白色用于曝光补偿参考。卡面使用高密度纸基与哑光涂层，耐弯折且不易褪色。尺寸为A5大小，附带挂绳孔，方便随身携带。支持相机自定义白平衡及后期软件取色。","key_specs":{"灰阶标准":"18%中性灰（反射率18%）","尺寸":"148mm×210mm（A5）","材质":"高密度纸基，哑光涂层","适用场景":"数码相机、手机摄影、视频拍摄","校准方式":"手动白平衡或后期取色","附加功能":"白色面可用于曝光补偿参考"}}
• alt_products：[{"product_name":"JJC 18%灰卡 双面灰白卡","brand":"JJC","model":"GC-1","price":39.9},{"product_name":"18%中性灰卡 双面灰白卡","brand":"KingMa","model":"KM-GC01","price":29.9}]
• kol_quotes：["摄影师@冰河：JJC的灰卡做工比同价位好，卡面很平整。","B站UP主@相机逻辑：A5尺寸放口袋刚好，出门必带。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":82.9,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其做工扎实，卡面平整无翘曲，灰阶准确度在同价位产品中表现突出。许多摄影爱好者认为A5尺寸便携性极佳，挂绳设计贴心。部分用户提到白色面反射率略高于纯白标准，但整体不影响使用。性价比高，适合作为备用灰卡或旅行携带。","source_count":0}},{"source":"objective","score":79.12409090909091,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.6,"price":39.9,"wom_score":82.9}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":6200,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["摄影师@冰河：JJC的灰卡做工比同价位好，卡面很平整。","B站UP主@相机逻辑：A5尺寸放口袋刚好，出门必带。"]}}]
• method_version：v3
• search_visual：null