{
  "slug": "canon-rf-s-39-35-fisheye",
  "name": "RF-S3.9mm F3.5 STM DUAL FISHEYE",
  "category": "lens",
  "specs": {
    "maker": "キヤノン",
    "released": "2024-06",
    "mount": "キヤノンRF",
    "format": "APS-C",
    "focal_length": "3.9mm",
    "max_aperture": "f/3.5",
    "elements": "8群11枚",
    "blades": 7,
    "min_focus_m": 0.2,
    "max_magnification": "0.03倍",
    "stabilization": "なし",
    "filter_mm": 30.5,
    "weight_g": 290,
    "size_mm": "112x54.6",
    "weather_sealed": "非対応",
    "price_range": "約17万円前後"
  },
  "summary": "EOS VR SYSTEM対応のAPS-C用ステレオ（二眼）魚眼レンズ。視野角144°の左右映像を1つのセンサーに同時記録し、EOS R7やEOS R50 / R50 Vと組み合わせて180°形式の3D VR撮影ができる。VR撮影用の二眼RFレンズとして初めてSTM駆動のオートフォーカスに対応し、約290g・全長約54.6mmと小型軽量にまとまっている。",
  "amazon_query": "キヤノン RF-S3.9mm F3.5 STM DUAL FISHEYE",
  "construction_url": "https://personal.canon.jp/product/camera/rf/rf-s39-f35-dfe/spec",
  "mtf_url": "https://personal.canon.jp/product/camera/rf/rf-s39-f35-dfe/spec",
  "source_url": "https://personal.canon.jp/product/camera/rf/rf-s39-f35-dfe/spec",
  "retrieved_at": "2026-07-24",
  "product_url": "https://personal.canon.jp/product/camera/rf/rf-s39-f35-dfe"
}