{
  "slug": "panasonic-s-18-f18",
  "name": "LUMIX S 18mm F1.8",
  "category": "lens",
  "specs": {
    "maker": "パナソニック",
    "released": "2022-10",
    "mount": "ライカL",
    "format": "フルフレーム",
    "focal_length": "18mm",
    "max_aperture": "f/1.8",
    "elements": "12群13枚",
    "blades": 9,
    "min_focus_m": 0.18,
    "max_magnification": "0.2倍",
    "stabilization": "なし",
    "filter_mm": 67,
    "weight_g": 340,
    "size_mm": "73.6x82",
    "weather_sealed": "対応",
    "price_range": "約11万円前後"
  },
  "summary": "F1.8 単焦点シリーズの超広角18mm。シリーズ共通の最大径73.6mm・全長82mm・フィルター径67mm で、約340g と軽量。星景や風景、広角の動画撮影に向き、防塵・防滴・耐低温設計も備える。",
  "amazon_query": "パナソニック LUMIX S 18mm F1.8",
  "construction_url": "https://panasonic.jp/dc/products/S-S18.html",
  "mtf_url": "https://panasonic.jp/dc/products/S-S18.html",
  "source_url": "https://panasonic.jp/dc/products/S-S18/spec.html",
  "retrieved_at": "2026-07-24",
  "product_url": "https://panasonic.jp/dc/products/S-S18.html"
}