{
  "slug": "tamron-20-40-f28",
  "name": "20-40mm F/2.8 Di III VXD",
  "category": "lens",
  "specs": {
    "maker": "タムロン",
    "released": "2022-10",
    "mount": "ソニーE",
    "format": "フルフレーム",
    "focal_length": "20-40mm",
    "max_aperture": "F2.8",
    "elements": "11群12枚",
    "blades": 9,
    "min_focus_m": 0.17,
    "max_magnification": "0.26倍",
    "stabilization": "なし",
    "filter_mm": 67,
    "weight_g": 365,
    "size_mm": "74.4x86.5",
    "weather_sealed": "配慮",
    "price_range": "約12万円前後"
  },
  "summary": "超広角20mmから標準40mmまでをF2.8通しでカバーする365gの小型ズーム。全長86.5mmで持ち歩きやすく、Vlogや自撮りにも向く画角設定。リニアモーターVXDによる高速AFも強み。",
  "amazon_query": "タムロン 20-40mm F2.8 ソニーE",
  "amazon_url": "https://www.amazon.co.jp/dp/B0BGT4K3S3",
  "construction_url": "https://www.tamron.com/jp/consumer/lenses/a062/spec.html",
  "mtf_url": "https://www.tamron.com/jp/consumer/lenses/a062/spec.html",
  "source_url": "https://www.tamron.com/jp/consumer/lenses/a062/spec.html",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.tamron.com/jp/consumer/lenses/a062/spec.html"
}