{
  "slug": "tamron-12-20-f28",
  "name": "12-20mm F2.8",
  "category": "lens",
  "specs": {
    "maker": "タムロン",
    "released": "2026-08",
    "mount": "ソニーE / ニコンZ",
    "format": "フルフレーム",
    "focal_length": "12-20mm",
    "max_aperture": "F2.8",
    "elements": "12群17枚",
    "blades": 12,
    "min_focus_m": 0.18,
    "max_magnification": "0.17倍",
    "stabilization": "なし",
    "weight_g": 570,
    "size_mm": "90x119.3",
    "weather_sealed": "配慮",
    "price_range": "約38万円前後"
  },
  "summary": "フルサイズ対応で12mmスタートを実現したF2.8通し超広角ズーム。前面フィルターは使えずリアフィルターホルダー搭載。星景や建築で強力な、2026年8月発売のフラッグシップ級レンズ。",
  "amazon_query": "タムロン 12-20mm F2.8",
  "amazon_url": "https://www.amazon.co.jp/dp/B0H93LRTRN",
  "construction_url": "https://www.tamron.com/jp/consumer/lenses/a084/spec.html",
  "mtf_url": "https://www.tamron.com/jp/consumer/lenses/a084/spec.html",
  "source_url": "https://www.tamron.com/jp/consumer/lenses/a084/spec.html",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.tamron.com/jp/consumer/lenses/a084/spec.html"
}