上海 2023版 RC相纸

评测依据

• review_count：5600
• rating_avg：4.2
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:47:58","to":"2026-06-26 02:47:58"}
• intros：{"brand_intro":"上海牌相纸由上海感光材料厂生产，前身为1950年代成立的上海感光胶片厂。作为中国唯一仍在量产的黑白相纸品牌，2023版采用新乳剂配方，大幅提升了灰阶表现。以极低价格和国货情怀，成为入门暗房和校园摄影社的首选。","product_intro":"上海2023版RC相纸是入门级黑白涂塑相纸，采用国产卤化银乳剂，反差适中偏硬。纸基为RC涂塑，干燥速度快，适合练习和批量输出。2023版改进了高光层次，减少灰雾度。支持标准D-72显影液，操作宽容度较高。","key_specs":["纸基类型：RC涂塑纸基","表面：高光（Glossy）","反差：硬调（约3号滤镜等效）","规格：8x10英寸（50张/盒）","ISO速度：约50","显影时间：1.5-2.5分钟（20°C）"]}
• alt_products：[{"product_name":"上海 2023版 RC相纸","brand":"上海牌","model":"Shanghai 2023 RC Glossy","price":68}]
• kol_quotes：["@暗房新手教程：上海纸练手不心疼，等手法熟练了再换Ilford。","@胶片复兴博主：2023版进步很大，但想追求极致还是得进口纸。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":71.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为性价比极高，适合新手练习和大量输出。2023版相比旧版灰阶有明显提升，但高光细节仍逊于进口纸。部分用户反映纸基较薄，湿操作易卷曲。国货情怀加分，但专业用户建议搭配进口纸使用。","source_count":0}},{"source":"objective","score":63.81893939393939,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.2,"price":68,"wom_score":71.5}},{"source":"user_review","score":84,"weight":0.15,"confidence":1,"details":{"rating_avg":4.2,"review_count":5600,"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":["@暗房新手教程：上海纸练手不心疼，等手法熟练了再换Ilford。","@胶片复兴博主：2023版进步很大，但想追求极致还是得进口纸。"]}}]
• method_version：v3
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