适马 TC-1401

评测依据

• review_count：1500
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:42:37","to":"2026-06-26 02:42:37"}
• intros：{"brand_intro":"适马（Sigma）成立于1961年，日本独立镜头制造商。以Art、Contemporary和Sports系列镜头闻名，在光学创新和性价比方面表现突出。其增距镜产品专为适马SA卡口和兼容卡口设计，提供高性价比的焦距扩展方案，深受预算有限的摄影爱好者欢迎。","product_intro":"适马TC-1401是1.4倍增距镜，兼容适马Sports和Art系列长焦镜头。采用SLD（特殊低色散）镜片和超级多层镀膜，有效减少色散和眩光。支持自动对焦和防抖功能，适合与150-600mm F5-6.3 DG OS HSM Sports等镜头搭配，用于野生动物和航空摄影。","key_specs":["倍率：1.4倍","卡口：适马SA/佳能EF/尼康F（版本不同）","镜片结构：4组7片","最大光圈损失：1档","尺寸：约72×24.5mm","重量：约190g"]}
• alt_products：[{"product_name":"适马 TC-1401","brand":"适马","model":"TC-1401","price":2599},{"product_name":"尼康 Z TC-1.4x","brand":"尼康","model":"Z TC-1.4x","price":3699},{"product_name":"佳能 Extender RF 1.4x","brand":"佳能","model":"Extender RF 1.4x","price":3999}]
• kol_quotes：["@野生动物摄影师李：TC-1401让150-600变成840mm，画质对得起价格。","@航空迷小陈：拍飞机性价比之王，锐度够用。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其性价比高，画质在可接受范围内，与适马长焦镜头配合良好。对焦速度在单反机身上表现稳定，无反版本略有延迟。做工扎实，但部分用户反映与某些副厂镜头兼容性不佳。整体满意度较高，是入门生态摄影的实惠选择。","source_count":0}},{"source":"objective","score":84.94300266755585,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":2599,"wom_score":84.1}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"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":["@野生动物摄影师李：TC-1401让150-600变成840mm，画质对得起价格。","@航空迷小陈：拍飞机性价比之王，锐度够用。"]}}]
• method_version：v2
• search_visual：null