{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf100-400mm-f5-6-8-is-usm", "name": "RF100-400mm F5.6-8 IS USM", "maker": "キヤノン", "model": "", "band": "zoom-tele", "specs": {"メーカー": "キヤノン", "焦点距離": "100〜400mm", "開放F値": "F5.6-8", "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": "0.88m", "最大撮影倍率": "0.41倍", "フィルター径": "67mm", "最大径×長さ": "79.5x164.7mm", "重さ": "635g", "防塵・防滴": "-", "発売日": "2021/10/"}, "today": {"date": "2026-09-19", "rakuten": 122940, "yahoo": 94160, "cheapest": 94160, "cheapest_mall": "y"}, "history": [{"date": "2026-09-15", "rakuten": 122940, "yahoo": 94160}, {"date": "2026-09-16", "rakuten": 122940, "yahoo": 94160}, {"date": "2026-09-17", "rakuten": 122940, "yahoo": 94160}, {"date": "2026-09-18", "rakuten": 122940, "yahoo": 94160}, {"date": "2026-09-19", "rakuten": 122940, "yahoo": 94160}], "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-rf100-400mm-f5-6-8-is-usm/"}