{"updated": "2026-09-19", "mount": "leica-l", "slug": "sigma-50mm-f1-4-dg-dn", "name": "50mm F1.4 DG DN [ライカL用]", "maker": "シグマ", "model": "", "band": "standard", "specs": {"メーカー": "シグマ", "焦点距離": "50mm", "開放F値": "F1.4", "レンズタイプ": "単焦点・大口径標準レンズ", "対応マウント": "ライカ L", "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": "45cm", "最大撮影倍率": "1：6.8", "フィルター径": "72mm", "最大径×長さ": "78.2x109.5mm", "重さ": "670g", "防塵・防滴": "防塵・防滴", "発売日": "2023/2/23"}, "today": {"date": "2026-09-19", "rakuten": 123750, "yahoo": 123800, "cheapest": 123750, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 123750, "yahoo": 123800}, {"date": "2026-09-16", "rakuten": 123750, "yahoo": 123800}, {"date": "2026-09-17", "rakuten": 123750, "yahoo": 123800}, {"date": "2026-09-18", "rakuten": 123750, "yahoo": 123800}, {"date": "2026-09-19", "rakuten": 123750, "yahoo": 123800}], "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/leica-l/sigma-50mm-f1-4-dg-dn/"}