{
  "slug": "tamron-17-28-f28",
  "name": "17-28mm F/2.8 Di III RXD",
  "category": "lens",
  "specs": {
    "maker": "タムロン",
    "released": "2019-07",
    "mount": "ソニーE",
    "format": "フルフレーム",
    "focal_length": "17-28mm",
    "max_aperture": "F2.8",
    "elements": "11群13枚",
    "blades": 9,
    "min_focus_m": 0.19,
    "max_magnification": "0.19倍",
    "stabilization": "なし",
    "filter_mm": 67,
    "weight_g": 420,
    "size_mm": "73x99",
    "weather_sealed": "配慮",
    "price_range": "約14万円前後"
  },
  "summary": "420gと軽量コンパクトに仕上げたフルサイズミラーレス用の大口径超広角ズーム。ズーム全域F2.8ながらフィルター径67mmで、広角端0.19mまで寄れる。RXD駆動の静かなAFで風景から動画まで扱いやすい1本。",
  "amazon_query": "タムロン 17-28mm F2.8 ソニーE",
  "amazon_url": "https://www.amazon.co.jp/dp/B07TV6NJC8",
  "construction_url": "https://www.tamron.com/jp/consumer/lenses/a046/spec.html",
  "mtf_url": "https://www.tamron.com/jp/consumer/lenses/a046/spec.html",
  "source_url": "https://www.tamron.com/jp/consumer/lenses/a046/spec.html",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.tamron.com/jp/consumer/lenses/a046/spec.html"
}