乐凯专业校样相纸（黑白/彩色通用）

评测依据

• review_count：1500
• rating_avg：4.3
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• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:47:57","to":"2026-06-26 02:47:57"}
• intros：{"brand_intro":"乐凯胶片股份有限公司成立于1958年，是中国本土最大的感光材料制造商。曾被誉为\"中国胶卷之王\"，在数码冲击后转型专注工业与专业相纸。乐凯校样相纸以极高性价比著称，同时兼容黑白和彩色显影工艺，是暗房初学者和预算有限用户的入门首选。","product_intro":"乐凯专业校样相纸采用国产RC纸基，表面半光（Satin）处理，兼顾抗反射和细节表现。支持传统黑白D-72显影液和彩色RA-4工艺，灰阶过渡自然，高光部分略偏软。8x10规格适合接触印相和放大校样，纸基厚度中等，干燥后平整度良好。","key_specs":{"尺寸":"8x10英寸（20.3x25.4cm）","纸基类型":"RC树脂涂层","表面处理":"半光（Satin）","兼容工艺":"黑白D-72 / 彩色RA-4","感光度":"ISO 6（黑白模式）","包装数量":"25张/盒"}}
• alt_products：[{"product_name":"乐凯专业校样相纸（黑白/彩色通用）","brand":"乐凯（Lucky）","model":"Lucky Proof Paper 8x10","price":89}]
• kol_quotes：["@暗房新手日记：乐凯校样纸让我用很少的钱就练熟了暗房技术，强烈推荐。","@胶片复兴社：虽然比不上进口纸的细腻，但乐凯的性价比让更多人能玩暗房。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":76.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其\"价格仅为进口产品的一半，但效果超出预期\"。黑白显影时灰阶过渡柔和，适合人像和风光校样。彩色模式下色彩饱和度略低，需适当调整显影时间。部分用户反映纸基批次间有轻微色差，但整体稳定性在可接受范围。性价比极高，适合大量校样练习。","source_count":2}},{"source":"objective","score":59.905303030303024,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.3,"price":89,"wom_score":76.5}},{"source":"user_review","score":86,"weight":0.15,"confidence":1,"details":{"rating_avg":4.3,"review_count":1500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@暗房新手日记：乐凯校样纸让我用很少的钱就练熟了暗房技术，强烈推荐。","@胶片复兴社：虽然比不上进口纸的细腻，但乐凯的性价比让更多人能玩暗房。"]}}]
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