{
  "slug": "sigma-14-14-dgdn",
  "name": "14mm F1.4 DG DN | Art",
  "category": "lens",
  "specs": {
    "maker": "シグマ",
    "released": "2023-06",
    "mount": "ソニーE / ライカL",
    "format": "フルフレーム",
    "focal_length": "14mm",
    "max_aperture": "f/1.4",
    "elements": "15群19枚",
    "blades": 11,
    "min_focus_m": 0.3,
    "max_magnification": "0.08倍",
    "stabilization": "なし",
    "weight_g": 1160,
    "size_mm": "101.4x151.9",
    "weather_sealed": "対応",
    "price_range": "約18万円前後"
  },
  "summary": "開放F1.4の明るさを持つ超広角14mmという、星景撮影を強く意識したArtラインの大口径単焦点。FLD3枚・SLD1枚・非球面4枚を投入し、画面周辺までサジタルコマフレアを抑えた点光源描写を狙っている。リアフィルターホルダーや三脚座を備え、レンズヒーターの装着も想定した鏡筒設計が特徴。",
  "amazon_query": "シグマ 14mm F1.4 DG DN Art ソニーE",
  "construction_url": "https://www.sigma-global.com/jp/lenses/a023_14_14_re/?tab=construction",
  "mtf_url": "https://www.sigma-global.com/jp/lenses/a023_14_14_re/?tab=construction",
  "source_url": "https://www.sigma-global.com/jp/lenses/a023_14_14_re/",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.sigma-global.com/jp/lenses/a023_14_14_re/"
}