{
  "slug": "sigma-90-28-dgdn",
  "name": "90mm F2.8 DG DN | Contemporary",
  "category": "lens",
  "specs": {
    "maker": "シグマ",
    "released": "2021-09",
    "mount": "ソニーE / ライカL",
    "format": "フルフレーム",
    "focal_length": "90mm",
    "max_aperture": "f/2.8",
    "elements": "10群11枚",
    "blades": 9,
    "min_focus_m": 0.5,
    "max_magnification": "0.2倍",
    "stabilization": "なし",
    "filter_mm": 55,
    "weight_g": 295,
    "size_mm": "64x61.7",
    "price_range": "約7万円前後"
  },
  "summary": "Iシリーズ最望遠となるContemporaryラインの中望遠90mm。SLD5枚を使った10群11枚を全長61.7mm・295gに収め、ポケットに入るポートレートレンズとして仕上げている。最短50cm・0.2倍まで寄れ、テーブルフォトにも対応する。",
  "amazon_query": "シグマ 90mm F2.8 DG DN Contemporary ソニーE",
  "construction_url": "https://www.sigma-global.com/jp/lenses/c021_90_28_re/?tab=construction",
  "mtf_url": "https://www.sigma-global.com/jp/lenses/c021_90_28_re/?tab=construction",
  "source_url": "https://www.sigma-global.com/jp/lenses/c021_90_28_re/",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.sigma-global.com/jp/lenses/c021_90_28_re/"
}