{
  "slug": "canon-rf-100-400",
  "name": "RF100-400mm F5.6-8 IS USM",
  "category": "lens",
  "specs": {
    "maker": "キヤノン",
    "released": "2021-10",
    "mount": "キヤノンRF",
    "format": "フルフレーム",
    "focal_length": "100-400mm",
    "max_aperture": "f/5.6-8",
    "elements": "9群12枚",
    "blades": 9,
    "min_focus_m": 0.88,
    "max_magnification": "0.41倍",
    "stabilization": "あり（最大5.5段）",
    "filter_mm": 67,
    "weight_g": 635,
    "size_mm": "79.5x164.7",
    "price_range": "約9.5万円前後"
  },
  "summary": "望遠400mmをカバーしながら約635gに収めた小型軽量の超望遠ズーム。5.5段の手ブレ補正と最大0.41倍のクローズアップ性能を備え、エクステンダーにも対応する。手頃な価格で野鳥や運動会を狙える人気の1本。",
  "amazon_query": "キヤノン RF100-400mm F5.6-8 IS USM",
  "construction_url": "https://personal.canon.jp/product/camera/rf/rf100-400-f56-8/spec",
  "mtf_url": "https://personal.canon.jp/product/camera/rf/rf100-400-f56-8/spec",
  "source_url": "https://personal.canon.jp/product/camera/rf/rf100-400-f56-8/spec",
  "retrieved_at": "2026-07-24",
  "product_url": "https://personal.canon.jp/product/camera/rf/rf100-400-f56-8"
}