{"updated": "2026-09-19", "mount": "sony-e", "slug": "sigma-20mm-f2-dg-dn", "name": "20mm F2 DG DN [ソニーE用]", "maker": "シグマ", "model": "", "band": "wide", "specs": {"メーカー": "シグマ", "焦点距離": "20mm", "開放F値": "F2", "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": "22cm", "最大撮影倍率": "1：6.7", "フィルター径": "62mm", "最大径×長さ": "70x74.4mm", "重さ": "370g", "防塵・防滴": "防塵・防滴", "発売日": "2022/2/25"}, "today": {"date": "2026-09-19", "rakuten": 79919, "yahoo": 80000, "cheapest": 79919, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 79919, "yahoo": 80000}, {"date": "2026-09-16", "rakuten": 93504, "yahoo": 80000}, {"date": "2026-09-17", "rakuten": 79919, "yahoo": 80000}, {"date": "2026-09-18", "rakuten": 79919, "yahoo": 80000}, {"date": "2026-09-19", "rakuten": 79919, "yahoo": 80000}], "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/sigma-20mm-f2-dg-dn/"}