依据最新动态,腾龙公布了新的18mm F1.8和20mm F2的广角镜头专利,该专利为全画幅单反设计方案。
18mm F1.8
20mm F2
文章来源:New patents: Tamron 18mm f/1.8, 20mm f/2.0 (DSLR) and Olympus 8-24mm f/4 (MFT) lenses
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