上海 GP3 100 黑白负片（220格式）

评测依据

• review_count：178
• 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 02:47:51","to":"2026-06-26 02:47:51"}
• intros：{"brand_intro":"上海胶片厂（原上海感光胶片厂）成立于1950年代，是中国本土仅存的民用胶片制造商。GP3系列是其经典黑白负片，以低廉的价格和稳定的品质成为国内胶片爱好者的入门首选。近年来通过工艺改进，颗粒与灰阶表现逐步提升，220格式的复产满足了中画幅用户的需求。","product_intro":"GP3 100 是一款ISO 100的黑白负片，220格式可拍摄约24张6×6画幅。该胶片反差适中，颗粒在ISO 100级别中属于中等水平，灰阶过渡自然。适合风光、静物及日常记录。价格仅为进口黑白卷的一半（约98元/卷），是预算有限用户的性价比之选。推荐使用D-76或HC-110显影液。","key_specs":{"感光度":"ISO 100","格式":"220中画幅（约24张6×6）","类型":"黑白负片","颗粒度":"RMS 15（中等）","反差特性":"中等反差","显影工艺":"标准黑白显影（D-76/HC-110）"}}
• alt_products：[{"product_name":"上海 GP3 100 黑白负片（220格式）","brand":"上海胶片（Shanghai Film）","model":"GP3 100 220","price":98}]
• kol_quotes：["@胶片入门导师小赵：GP3 100是新手练手的最佳选择，一卷98元随便按快门不心疼。","@国产胶片收藏家老陈：220格式的GP3复产是国货之光，虽然品控有提升空间但值得支持。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":70.8,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其\"国产良心\"定位，价格仅为伊尔福HP5的一半，适合大量拍摄练习。220格式的推出解决了120卷张数少的痛点。但部分用户指出品控不稳定，偶尔出现背纸粘连或感光度偏差。灰阶层次不如进口高端卷丰富，高光部分易过曝。适合新手入门或预算有限的创作，专业用户可能觉得颗粒偏粗。","source_count":0}},{"source":"objective","score":54.483030303030304,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.2,"price":98,"wom_score":70.8}},{"source":"user_review","score":84,"weight":0.15,"confidence":1,"details":{"rating_avg":4.2,"review_count":178,"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":["@胶片入门导师小赵：GP3 100是新手练手的最佳选择，一卷98元随便按快门不心疼。","@国产胶片收藏家老陈：220格式的GP3复产是国货之光，虽然品控有提升空间但值得支持。"]}}]
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