{
  "slug": "sigma-12-14-dcdn",
  "name": "12mm F1.4 DC | Contemporary",
  "category": "lens",
  "specs": {
    "maker": "シグマ",
    "released": "2025-09",
    "mount": "ソニーE / 富士フイルムX / キヤノンRF",
    "format": "APS-C",
    "focal_length": "12mm",
    "max_aperture": "f/1.4",
    "elements": "12群14枚",
    "blades": 9,
    "min_focus_m": 0.172,
    "max_magnification": "0.12倍",
    "stabilization": "なし",
    "filter_mm": 62,
    "weight_g": 225,
    "size_mm": "68x69.4",
    "weather_sealed": "対応",
    "price_range": "約10万円前後"
  },
  "summary": "APS-C用として画角・明るさともに突出した、35mm判換算18mm相当のContemporaryライン超広角単焦点。開放F1.4ながら225gに収まり、星景やVlogの室内自撮りまでこなす。F1.4のDCシリーズ（16mm・23mm・30mm・56mm）に加わった超広角担当。",
  "amazon_query": "シグマ 12mm F1.4 DC Contemporary ソニーE",
  "construction_url": "https://www.sigma-global.com/jp/lenses/c025_12_14/?tab=construction",
  "mtf_url": "https://www.sigma-global.com/jp/lenses/c025_12_14/?tab=construction",
  "source_url": "https://www.sigma-global.com/jp/lenses/c025_12_14/",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.sigma-global.com/jp/lenses/c025_12_14/"
}