{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf28-70mm-f2-l-usm", "name": "RF28-70mm F2 L USM", "maker": "キヤノン", "model": "", "band": "zoom-standard", "specs": {"メーカー": "キヤノン", "焦点距離": "28〜70mm", "開放F値": "F2", "レンズタイプ": "標準ズーム・大口径標準ズームレンズ", "対応マウント": "キヤノン RF", "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": "0.39m", "最大撮影倍率": "0.18倍", "フィルター径": "95mm", "最大径×長さ": "103.8x139.8mm", "重さ": "1430g", "防塵・防滴": "防塵・防滴", "発売日": "2018/12/20"}, "today": {"date": "2026-09-19", "rakuten": 426880, "yahoo": 429840, "cheapest": 426880, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 447209, "yahoo": 451540}, {"date": "2026-09-16", "rakuten": 447209, "yahoo": 451540}, {"date": "2026-09-17", "rakuten": 426880, "yahoo": 429840}, {"date": "2026-09-18", "rakuten": 426880, "yahoo": 429840}, {"date": "2026-09-19", "rakuten": 426880, "yahoo": 429840}], "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/canon-rf28-70mm-f2-l-usm/"}