{
  "slug": "tamron-17-50-f4",
  "name": "17-50mm F/4 Di III VXD",
  "category": "lens",
  "specs": {
    "maker": "タムロン",
    "released": "2023-10",
    "mount": "ソニーE",
    "format": "フルフレーム",
    "focal_length": "17-50mm",
    "max_aperture": "F4",
    "elements": "13群15枚",
    "blades": 9,
    "min_focus_m": 0.19,
    "max_magnification": "0.26倍",
    "stabilization": "なし",
    "filter_mm": 67,
    "weight_g": 460,
    "size_mm": "74.8x114.4",
    "weather_sealed": "配慮",
    "price_range": "約12万円前後"
  },
  "summary": "超広角17mmから標準50mmまでをF4通しで1本にまとめた珍しいズームレンジのフルサイズ用レンズ。ズームしても全長が変わらないインナーズームで、ジンバル運用など動画撮影と好相性。質量460gで風景や登山にも携行しやすい。",
  "amazon_query": "タムロン 17-50mm F4 ソニーE",
  "amazon_url": "https://www.amazon.co.jp/dp/B0CJL45VJT",
  "construction_url": "https://www.tamron.com/jp/consumer/lenses/a068/spec.html",
  "mtf_url": "https://www.tamron.com/jp/consumer/lenses/a068/spec.html",
  "source_url": "https://www.tamron.com/jp/consumer/lenses/a068/spec.html",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.tamron.com/jp/consumer/lenses/a068/spec.html"
}