{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf600mm-f4-l-is-usm", "name": "RF600mm F4 L IS USM", "maker": "キヤノン", "model": "", "band": "tele", "specs": {"メーカー": "キヤノン", "焦点距離": "600mm", "開放F値": "F4", "レンズタイプ": "単焦点・大口径超望遠レンズ", "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": "4.2m", "最大撮影倍率": "0.15倍", "フィルター径": "52mm", "最大径×長さ": "168x472mm", "重さ": "3090g", "防塵・防滴": "防塵・防滴", "発売日": "2021/7/15"}, "today": {"date": "2026-09-19", "rakuten": 1950000, "yahoo": 1912090, "cheapest": 1912090, "cheapest_mall": "y"}, "history": [{"date": "2026-09-15", "rakuten": 1950000, "yahoo": 1912090}, {"date": "2026-09-16", "rakuten": 1950000, "yahoo": 1912090}, {"date": "2026-09-17", "rakuten": 1950000, "yahoo": 1912090}, {"date": "2026-09-18", "rakuten": 1950000, "yahoo": 1912090}, {"date": "2026-09-19", "rakuten": 1950000, "yahoo": 1912090}], "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-rf600mm-f4-l-is-usm/"}