{
  "slug": "sigma-16-28-f28-dgdn",
  "name": "16-28mm F2.8 DG DN | Contemporary",
  "category": "lens",
  "specs": {
    "maker": "シグマ",
    "released": "2022-06",
    "mount": "ソニーE / ライカL",
    "format": "フルフレーム",
    "focal_length": "16-28mm",
    "max_aperture": "f/2.8",
    "elements": "11群16枚",
    "blades": 9,
    "min_focus_m": 0.25,
    "max_magnification": "0.18倍",
    "stabilization": "なし",
    "filter_mm": 72,
    "weight_g": 450,
    "size_mm": "77.2x102.6",
    "price_range": "約10万円前後"
  },
  "summary": "小型軽量と高画質の両立を掲げる Contemporary ラインの大口径超広角ズーム。F2.8通しで450gと軽く、ズーミングで全長が変わらないインナーズーム構造を採用しているためジンバル動画撮影とも相性がよい。φ72mmの一般的なねじ込みフィルターが使える点も出目金型の超広角ズームに対する利点。",
  "amazon_query": "シグマ 16-28mm F2.8 DG DN Contemporary ソニーE",
  "construction_url": "https://www.sigma-global.com/jp/lenses/c022_16_28_28/?tab=construction",
  "mtf_url": "https://www.sigma-global.com/jp/lenses/c022_16_28_28/?tab=construction",
  "source_url": "https://www.sigma-global.com/jp/lenses/c022_16_28_28/",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.sigma-global.com/jp/lenses/c022_16_28_28/"
}