{"updated": "2026-09-19", "mount": "canon-rf", "slug": "sigma-56mm-f1-4-dc-dn", "name": "56mm F1.4 DC DN [キヤノンRF用]", "maker": "シグマ", "model": "", "band": "standard", "specs": {"メーカー": "シグマ", "焦点距離": "56mm", "開放F値": "F1.4", "レンズタイプ": "単焦点・大口径中望遠レンズ", "対応マウント": "キヤノン RF", "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": "50cm", "最大撮影倍率": "1：7.4", "フィルター径": "55mm", "最大径×長さ": "69x57.5mm", "重さ": "290g", "防塵・防滴": "防塵・防滴", "発売日": "2024/12/"}, "today": {"date": "2026-09-19", "rakuten": null, "yahoo": 58320, "cheapest": 58320, "cheapest_mall": "y"}, "history": [{"date": "2026-09-15", "rakuten": null, "yahoo": 41500}, {"date": "2026-09-16", "rakuten": null, "yahoo": 58320}, {"date": "2026-09-17", "rakuten": null, "yahoo": 58320}, {"date": "2026-09-18", "rakuten": null, "yahoo": 58320}, {"date": "2026-09-19", "rakuten": null, "yahoo": 58320}], "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/canon-rf/sigma-56mm-f1-4-dc-dn/"}