{
  "slug": "tamron-50-400-f45-63",
  "name": "50-400mm F/4.5-6.3 Di III VC VXD",
  "category": "lens",
  "specs": {
    "maker": "タムロン",
    "released": "2022-09",
    "mount": "ソニーE / ニコンZ",
    "format": "フルフレーム",
    "focal_length": "50-400mm",
    "max_aperture": "F4.5-6.3",
    "elements": "18群24枚",
    "blades": 9,
    "min_focus_m": 0.25,
    "max_magnification": "0.5倍",
    "stabilization": "あり（VC）",
    "filter_mm": 67,
    "weight_g": 1155,
    "size_mm": "88.5x183.4",
    "weather_sealed": "配慮",
    "price_range": "約20万円前後"
  },
  "summary": "標準域の50mmから超望遠400mmまで8倍ズームで押さえる高倍率望遠ズーム。VC搭載で手持ち超望遠にも対応し、広角端ではハーフマクロ級の0.5倍まで寄れる。1本で野鳥・スポーツから日常まで幅広く使える。",
  "amazon_query": "タムロン 50-400mm F4.5-6.3",
  "amazon_url": "https://www.amazon.co.jp/dp/B0BBM846PX",
  "construction_url": "https://www.tamron.com/jp/consumer/lenses/a067/spec.html",
  "mtf_url": "https://www.tamron.com/jp/consumer/lenses/a067/spec.html",
  "source_url": "https://www.tamron.com/jp/consumer/lenses/a067/spec.html",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.tamron.com/jp/consumer/lenses/a067/spec.html"
}