Phottix 18%灰卡 双面白平衡卡

评测依据

• review_count：8500
• 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 02:46:40","to":"2026-06-26 02:46:40"}
• intros：{"brand_intro":"Phottix（富达时）是丹麦知名摄影器材品牌，成立于1990年，总部位于哥本哈根。公司以无线闪光系统、触发器及摄影配件闻名，产品兼顾专业性能与创新设计，在欧洲和中国市场拥有大量忠实用户，尤其受到婚礼和活动摄影师的青睐。","product_intro":"PT-GC18是一款双面灰卡，采用高密度纤维板基材，表面覆盖哑光涂层，有效减少反光。灰面为18%中性灰，白面为95%反射率白卡，支持相机自定义白平衡和曝光参考。尺寸为20cm x 15cm，附带挂绳孔，方便携带。无需软件，即拿即用，适合快速拍摄场景。","key_specs":["类型：双面灰卡（灰面/白面）","反射率：灰面18%，白面95%","材质：高密度纤维板 + 哑光涂层","尺寸：20cm x 15cm","特色：挂绳孔设计，防反光涂层","适用场景：相机白平衡、曝光补偿"]}
• alt_products：[{"product_name":"Phottix 18%灰卡 双面白平衡卡","brand":"Phottix","model":"PT-GC18","price":49},{"product_name":"Kingjoy 18%中性灰卡 便携双面灰卡","brand":"Kingjoy","model":"KJ-GC18","price":29.9}]
• kol_quotes：["\"Phottix的灰卡涂层处理很专业，在强光下也能准确校准。\"——摄影师@风光摄影","\"比塑料卡结实多了，用了两年还没变形。\"——评测博主@摄影器材控"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户称赞其做工扎实，哑光涂层有效避免了反光问题，白平衡校准结果稳定。多数评论认为比廉价PVC灰卡更耐用，适合频繁外拍。部分用户提到尺寸略大，携带稍显不便，但校准精度更高。少数反馈灰面颜色略有偏差，但整体性价比优于同类进口产品。适合对品质有要求的进阶用户。","source_count":0}},{"source":"objective","score":77.31151515151515,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.6,"price":49,"wom_score":85.6}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":8500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"Phottix的灰卡涂层处理很专业，在强光下也能准确校准。\"——摄影师@风光摄影","\"比塑料卡结实多了，用了两年还没变形。\"——评测博主@摄影器材控"]}}]
• method_version：v2
• search_visual：null