{"updated": "2026-09-19", "mount": "mft", "slug": "panasonic-rsa100400", "name": "LEICA DG VARIO-ELMAR 100-400mm/F4.0-6.3 II ASPH./POWER O.I.S. H-RSA100400", "maker": "パナソニック", "model": "RSA100400", "band": "zoom-tele", "specs": {"メーカー": "パナソニック", "焦点距離": "100〜400mm", "開放F値": "F4-6.3", "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": "マイクロフォーサーズ", "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": "1.3m", "最大撮影倍率": "0.25倍", "フィルター径": "72mm", "最大径×長さ": "83x171.5mm", "重さ": "985g", "防塵・防滴": "防塵・防滴", "発売日": "2023/10/27"}, "today": {"date": "2026-09-19", "rakuten": 181978, "yahoo": 190999, "cheapest": 181978, "cheapest_mall": "r"}, "history": [{"date": "2026-09-15", "rakuten": 181800, "yahoo": 189999}, {"date": "2026-09-16", "rakuten": 181800, "yahoo": 189999}, {"date": "2026-09-17", "rakuten": 181980, "yahoo": 190999}, {"date": "2026-09-18", "rakuten": 181980, "yahoo": 190999}, {"date": "2026-09-19", "rakuten": 181978, "yahoo": 190999}], "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/mft/panasonic-rsa100400/"}