{"updated": "2026-09-19", "mount": "sony-e", "slug": "tamron-f050", "name": "20mm F/2.8 Di III OSD M1：2 (Model F050)", "maker": "TAMRON", "model": "F050", "band": "wide", "specs": {"メーカー": "TAMRON", "焦点距離": "20mm", "開放F値": "F2.8", "レンズタイプ": "単焦点・超広角レンズ", "対応マウント": "ソニー E", "フォーマット": "フルサイズ対応", "フォーカス": "AF/MF", "手ブレ補正": "○", "最短撮影距離": "0.11m", "最大撮影倍率": "1：2", "フィルター径": "67mm", "最大径×長さ": "73x64mm", "重さ": "220g", "防塵・防滴": "防滴", "発売日": "2020/1/30"}, "today": {"date": "2026-09-19", "rakuten": 37511, "yahoo": 34570, "cheapest": 34570, "cheapest_mall": "y"}, "history": [{"date": "2026-09-15", "rakuten": 37511, "yahoo": 37511}, {"date": "2026-09-16", "rakuten": 37511, "yahoo": 37511}, {"date": "2026-09-17", "rakuten": 37511, "yahoo": 37511}, {"date": "2026-09-18", "rakuten": 37511, "yahoo": 35750}, {"date": "2026-09-19", "rakuten": 37511, "yahoo": 34570}], "license": "CC BY 4.0（数値）", "method": "lens.match の規則で確かめた出品の最安。推定なし", "page": "https://kurashigram.com/lens/sony-e/tamron-f050/"}