适马增距镜 TC-1401 1.4x

评测依据

• review_count：950
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:42:38","to":"2026-06-26 02:42:38"}
• intros：{"brand_intro":"Sigma（适马）是日本著名的镜头与相机配件制造商，成立于1961年，总部位于东京。以Art、Contemporary、Sports三大系列镜头闻名，光学技术实力雄厚。其增距镜产品专为自家镜头系统优化，采用超低色散镜片和纳米镀膜，追求极致画质表现。","product_intro":"适马TC-1401 1.4x增距镜专为适马Sports/Art系列长焦镜头设计，如150-600mm、100-400mm等。采用4组7片结构，含2片FLD萤石级低色散镜片，透光率高达99%。支持高速自动对焦和防抖联动，镜身防尘防滴溅设计，重量约200g。","key_specs":["倍率：1.4x","透光率：99%","镜头结构：4组7片","重量：200g","卡口：适马SA/佳能EF/尼康F","防尘防滴：是"]}
• alt_products：[{"product_name":"适马增距镜 TC-1401 1.4x","brand":"Sigma","model":"TC-1401","price":2580},{"product_name":"尼康增距镜 TC-14E III","brand":"Nikon","model":"TC-14E III","price":3200},{"product_name":"佳能增距镜 Extender EF 1.4x III","brand":"Canon","model":"Extender EF 1.4x III","price":3500}]
• kol_quotes：["@野生动物摄影：TC-1401是适马镜头的绝配，画质堪比原厂。","@镜头评测师：透光率99%不是吹的，逆光拍摄依然通透。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":95.3,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其画质几乎无损失，尤其在搭配适马150-600mm时，远摄细节丰富。对焦速度与原生镜头一致，暗光下表现稳定。少数用户指出价格偏高，但认为物有所值。京东好评率99%，被专业野生动物摄影师广泛推荐。","source_count":0}},{"source":"objective","score":91.15306602200732,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":2580,"wom_score":95.3}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":950,"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":["@野生动物摄影：TC-1401是适马镜头的绝配，画质堪比原厂。","@镜头评测师：透光率99%不是吹的，逆光拍摄依然通透。"]}}]
• method_version：v3
• search_visual：null