{
  "slug": "sigma-105-28-dgdn",
  "name": "105mm F2.8 DG DN MACRO | Art",
  "category": "lens",
  "specs": {
    "maker": "シグマ",
    "released": "2020-10",
    "mount": "ソニーE / ライカL",
    "format": "フルフレーム",
    "focal_length": "105mm",
    "max_aperture": "f/2.8",
    "elements": "12群17枚",
    "blades": 9,
    "min_focus_m": 0.295,
    "max_magnification": "1倍",
    "stabilization": "なし",
    "filter_mm": 62,
    "weight_g": 710,
    "size_mm": "74x135.6",
    "weather_sealed": "対応",
    "price_range": "約8万円前後"
  },
  "summary": "ミラーレス専用設計の等倍マクロで、Artラインに属する中望遠105mm。フォーカスリミッターと絞りリングを備え、等倍から無限遠まで高い解像力を維持する。Lマウント用はテレコンバーター併用で1.4倍・2倍の拡大撮影にも対応する。",
  "amazon_query": "シグマ 105mm F2.8 DG DN MACRO Art ソニーE",
  "construction_url": "https://www.sigma-global.com/jp/lenses/a020_105_28/?tab=construction",
  "mtf_url": "https://www.sigma-global.com/jp/lenses/a020_105_28/?tab=construction",
  "source_url": "https://www.sigma-global.com/jp/lenses/a020_105_28/",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.sigma-global.com/jp/lenses/a020_105_28/"
}