{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf-s7-8mm-f4-stm-dual", "name": "RF-S7.8mm F4 STM DUAL", "maker": "キヤノン", "model": "", "band": "wide", "specs": {"メーカー": "キヤノン", "焦点距離": "7.8mm", "開放F値": "F4", "レンズタイプ": "単焦点・VRレンズ", "対応マウント": "キヤノン RF", "フォーマット": "APS-C専用", "フォーカス": "AF/MF", "手ブレ補正": "-", "最短撮影距離": "0.15m", "最大撮影倍率": "0.07倍", "フィルター径": "58mm", "最大径×長さ": "69.2x41.5mm", "重さ": "131g", "防塵・防滴": "-", "発売日": "2024/11/"}, "today": {"date": "2026-09-19", "rakuten": 76999, "yahoo": 77000, "cheapest": 76999, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 79732, "yahoo": 77000}, {"date": "2026-09-16", "rakuten": 79732, "yahoo": 77000}, {"date": "2026-09-17", "rakuten": 79732, "yahoo": 77000}, {"date": "2026-09-18", "rakuten": 77000, "yahoo": 77000}, {"date": "2026-09-19", "rakuten": 76999, "yahoo": 77000}], "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-rf-s7-8mm-f4-stm-dual/"}