{"updated": "2026-09-19", "mount": "sony-e", "slug": "sigma-17mm-f4-dg-dn", "name": "17mm F4 DG DN [ソニーE用]", "maker": "シグマ", "model": "", "band": "wide", "specs": {"メーカー": "シグマ", "焦点距離": "17mm", "開放F値": "F4", "レンズタイプ": "単焦点・超広角レンズ", "対応マウント": "ソニー E", "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": "12cm", "最大撮影倍率": "1：3.6", "フィルター径": "55mm", "最大径×長さ": "64x50.8mm", "重さ": "220g", "防塵・防滴": "防塵・防滴", "発売日": "2023/4/21"}, "today": {"date": "2026-09-19", "rakuten": 79926, "yahoo": 50160, "cheapest": 50160, "cheapest_mall": "y"}, "history": [{"date": "2026-09-15", "rakuten": 79926, "yahoo": 50160}, {"date": "2026-09-16", "rakuten": 79926, "yahoo": 50160}, {"date": "2026-09-17", "rakuten": 79926, "yahoo": 50160}, {"date": "2026-09-18", "rakuten": 79926, "yahoo": 50160}, {"date": "2026-09-19", "rakuten": 79926, "yahoo": 50160}], "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/sony-e/sigma-17mm-f4-dg-dn/"}