{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf100-500mm-f4-5-7-1-l-is-usm", "name": "RF100-500mm F4.5-7.1 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": "100〜500mm", "開放F値": "F4.5-7.1", "レンズタイプ": "望遠ズーム・超望遠ズームレンズ", "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": "0.9m", "最大撮影倍率": "0.33倍", "フィルター径": "77mm", "最大径×長さ": "93.8x207.6mm", "重さ": "1370g", "防塵・防滴": "防塵・防滴", "発売日": "2020/8/27"}, "today": {"date": "2026-09-19", "rakuten": 396340, "yahoo": 368401, "cheapest": 368401, "cheapest_mall": "y"}, "history": [{"date": "2026-09-15", "rakuten": 396540, "yahoo": 367000}, {"date": "2026-09-16", "rakuten": 396540, "yahoo": 367000}, {"date": "2026-09-17", "rakuten": 396340, "yahoo": 368401}, {"date": "2026-09-18", "rakuten": 396340, "yahoo": 368401}, {"date": "2026-09-19", "rakuten": 396340, "yahoo": 368401}], "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-rf100-500mm-f4-5-7-1-l-is-usm/"}