{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf10-20mm-f4-l-is-stm", "name": "RF10-20mm F4 L IS STM", "maker": "キヤノン", "model": "", "band": "zoom-wide", "specs": {"メーカー": "キヤノン", "焦点距離": "10〜20mm", "開放F値": "F4", "レンズタイプ": "広角ズーム・超広角ズームレンズ", "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": "0.25m", "最大撮影倍率": "0.12倍", "フィルター径": "", "最大径×長さ": "83.7x112mm", "重さ": "570g", "防塵・防滴": "防塵・防滴", "発売日": "2023/10/27"}, "today": {"date": "2026-09-19", "rakuten": 327800, "yahoo": 353100, "cheapest": 327800, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 327800, "yahoo": 353100}, {"date": "2026-09-16", "rakuten": 327800, "yahoo": 353100}, {"date": "2026-09-17", "rakuten": 327800, "yahoo": 353100}, {"date": "2026-09-18", "rakuten": 327800, "yahoo": 353100}, {"date": "2026-09-19", "rakuten": 327800, "yahoo": 353100}], "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-rf10-20mm-f4-l-is-stm/"}