{"updated": "2026-10-17", "mount": "leica-l", "slug": "sigma-17-40mm-f1-8-dc", "name": "17-40mm F1.8 DC [ライカL用]", "maker": "シグマ", "model": "", "band": "zoom-standard", "specs": {"メーカー": "シグマ", "焦点距離": "17〜40mm", "開放F値": "F1.8", "レンズタイプ": "標準ズーム・大口径ズームレンズ", "対応マウント": "ライカ L", "フォーマット": "APS-C専用", "フォーカス": "AF/MF", "手ブレ補正": "-", "最短撮影距離": "28cm", "最大撮影倍率": "1：4.8", "フィルター径": "67mm", "最大径×長さ": "72.9x115.9mm", "重さ": "535g", "防塵・防滴": "防塵・防滴", "発売日": "2025/7/10"}, "today": {"date": "2026-10-17", "rakuten": 121280, "yahoo": 121829, "cheapest": 121280, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-16", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-17", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-18", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-19", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-20", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-21", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-22", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-23", "rakuten": 124981, "yahoo": 124981}, {"date": "2026-09-24", "rakuten": 123734, "yahoo": 123734}, {"date": "2026-09-25", "rakuten": 123734, "yahoo": 123734}, {"date": "2026-09-26", "rakuten": 123734, "yahoo": 123734}, {"date": "2026-09-27", "rakuten": 123734, "yahoo": 123734}, {"date": "2026-09-28", "rakuten": 123734, "yahoo": 123734}, {"date": "2026-09-29", "rakuten": 123734, "yahoo": 123734}, {"date": "2026-09-30", "rakuten": 123734, "yahoo": 123734}, {"date": "2026-10-01", "rakuten": 121280, "yahoo": 121830}, {"date": "2026-10-02", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-03", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-04", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-05", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-06", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-07", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-08", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-09", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-10", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-11", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-12", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-13", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-14", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-15", "rakuten": 121280, "yahoo": 121829}, {"date": "2026-10-16", "rakuten": 121280, "yahoo": 121829}], "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-17-40mm-f1-8-dc/", "rental": {"service": "GOOPASS", "listed": true, "checked": "2026-10-17"}}