{"updated": "2026-09-19", "mount": "mft", "slug": "om-system-m-zuiko-digital-ed-20mm-f1-4-pro", "name": "M.ZUIKO DIGITAL ED 20mm F1.4 PRO", "maker": "OM SYSTEM（オリンパス）", "model": "", "band": "wide", "specs": {"メーカー": "OM SYSTEM（オリンパス）", "焦点距離": "20mm", "開放F値": "F1.4", "レンズタイプ": "単焦点・単焦点レンズ", "対応マウント": "マイクロフォーサーズ", "フォーマット": "フルサイズ対応", "フォーカス": "AF", "手ブレ補正": "-", "最短撮影距離": "0.25m", "最大撮影倍率": "0.11倍", "フィルター径": "58mm", "最大径×長さ": "63.4x61.7mm", "重さ": "247g", "防塵・防滴": "防塵・防滴", "発売日": "2021/12/10"}, "today": {"date": "2026-09-19", "rakuten": 66000, "yahoo": 75240, "cheapest": 66000, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 66000, "yahoo": 75240}, {"date": "2026-09-16", "rakuten": 66000, "yahoo": 75240}, {"date": "2026-09-17", "rakuten": 66000, "yahoo": 75240}, {"date": "2026-09-18", "rakuten": 66000, "yahoo": 75240}, {"date": "2026-09-19", "rakuten": 66000, "yahoo": 75240}], "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/mft/om-system-m-zuiko-digital-ed-20mm-f1-4-pro/"}