{"updated": "2026-09-19", "mount": "nikon-z", "slug": "zhongyi-speedmaster-20mm-f0-95-asph", "name": "SPEEDMASTER 20mm F0.95 ASPH. ブラック [ニコンZ用]", "maker": "中一光学", "model": "", "band": "wide", "specs": {"メーカー": "中一光学", "焦点距離": "20mm", "開放F値": "F0.95", "レンズタイプ": "単焦点・広角単焦点レンズ", "対応マウント": "ニコン Z", "フォーマット": "APS-C専用", "フォーカス": "MF", "手ブレ補正": "-", "最短撮影距離": "0.3m", "最大撮影倍率": "", "フィルター径": "72mm", "最大径×長さ": "78x95mm", "重さ": "645g", "防塵・防滴": "-", "発売日": "2024/1/24"}, "today": {"date": "2026-09-19", "rakuten": 67212, "yahoo": null, "cheapest": 67212, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 67212, "yahoo": null}, {"date": "2026-09-16", "rakuten": 67212, "yahoo": null}, {"date": "2026-09-17", "rakuten": 67212, "yahoo": null}, {"date": "2026-09-18", "rakuten": 67212, "yahoo": null}, {"date": "2026-09-19", "rakuten": 67212, "yahoo": null}], "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/nikon-z/zhongyi-speedmaster-20mm-f0-95-asph/"}