{"updated": "2026-09-19", "mount": "canon-rf", "slug": "canon-rf-s3-9mm-f3-5-stm-dual-fisheye", "name": "RF-S3.9mm F3.5 STM DUAL FISHEYE", "maker": "キヤノン", "model": "", "band": "wide", "specs": {"メーカー": "キヤノン", "焦点距離": "3.9mm", "開放F値": "F3.5", "レンズタイプ": "単焦点・魚眼レンズ", "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": "0.2m", "最大撮影倍率": "0.03倍", "フィルター径": "30.5mm", "最大径×長さ": "112x54.6mm", "重さ": "290g", "防塵・防滴": "-", "発売日": "2024/6/28"}, "today": {"date": "2026-09-19", "rakuten": 183645, "yahoo": 185378, "cheapest": 183645, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 183645, "yahoo": 185378}, {"date": "2026-09-16", "rakuten": 183645, "yahoo": 185378}, {"date": "2026-09-17", "rakuten": 183645, "yahoo": 185378}, {"date": "2026-09-18", "rakuten": 183645, "yahoo": 185378}, {"date": "2026-09-19", "rakuten": 183645, "yahoo": 185378}], "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-s3-9mm-f3-5-stm-dual-fisheye/"}