{
  "slug": "fujifilm-gf-55-17",
  "name": "フジノン GF55mmF1.7 R WR",
  "category": "lens",
  "specs": {
    "maker": "富士フイルム",
    "released": "2023-09",
    "mount": "富士フイルムG",
    "format": "中判",
    "focal_length": "55mm",
    "max_aperture": "f/1.7",
    "elements": "10群14枚",
    "blades": 11,
    "min_focus_m": 0.5,
    "max_magnification": "0.17倍",
    "stabilization": "なし",
    "filter_mm": 77,
    "weight_g": 780,
    "size_mm": "94.7x99.3",
    "weather_sealed": "対応",
    "price_range": "約33万円前後"
  },
  "summary": "35mm判換算44mmの画角を持つ、開放f/1.7の大口径標準単焦点レンズ。非球面レンズ2枚・EDレンズ2枚を含む10群14枚構成で、高い解像力と柔らかく大きなボケを両立し、スナップからポートレートまで幅広く使える。GFレンズで初めて11枚羽根の円形絞りを採用し、防塵防滴・-10℃耐低温構造も備える。",
  "amazon_query": "富士フイルム GF55mmF1.7",
  "construction_url": "https://fujifilm-x.com/ja-jp/products/lenses/gf55mmf17-r-wr/specifications/",
  "mtf_url": "https://fujifilm-x.com/ja-jp/products/lenses/gf55mmf17-r-wr/specifications/",
  "source_url": "https://fujifilm-x.com/ja-jp/products/lenses/gf55mmf17-r-wr/specifications/",
  "retrieved_at": "2026-07-24",
  "product_url": "https://www.fujifilm-x.com/ja-jp/products/lenses/gf55mmf17-r-wr/"
}