{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf100-300mm-f2-8-l-is-usm", "name": "RF100-300mm F2.8 L IS USM", "maker": "キヤノン", "model": "", "band": "zoom-tele", "specs": {"メーカー": "キヤノン", "焦点距離": "100〜300mm", "開放F値": "F2.8", "レンズタイプ": "望遠ズーム・大口径望遠ズームレンズ", "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": "1.8m", "最大撮影倍率": "0.06倍(100mm時)/0.16倍(300mm時)", "フィルター径": "112mm", "最大径×長さ": "128x323.4mm", "重さ": "2590g", "防塵・防滴": "防塵・防滴", "発売日": "2023/5/26"}, "today": {"date": "2026-09-19", "rakuten": 1580000, "yahoo": 1643485, "cheapest": 1580000, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 1580000, "yahoo": 1643485}, {"date": "2026-09-16", "rakuten": 1580000, "yahoo": 1643485}, {"date": "2026-09-17", "rakuten": 1580000, "yahoo": 1643485}, {"date": "2026-09-18", "rakuten": 1580000, "yahoo": 1643485}, {"date": "2026-09-19", "rakuten": 1580000, "yahoo": 1643485}], "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-rf100-300mm-f2-8-l-is-usm/"}