{
    "type": "product",
    "name": "Cornu Ontoscope",
    "url": "https://www.cameraworth.com/c/cornu/ontoscope/",
    "brand": {
        "name": "Cornu",
        "url": "https://www.cameraworth.com/c/cornu/"
    },
    "answer": "The Cornu Ontoscope sells for about £120 (median of only 3 recorded sales, 2001–2016; indicative, old).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [
            "old"
        ],
        "n": 3,
        "median_gbp": 120,
        "middle_half_gbp": null,
        "period": [
            "2001-09-18",
            "2016-11-19"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 386,
            "without_flagged": null,
            "without_highest": 90
        },
        "extras": {
            "median_usd": 223,
            "median_eur": 172,
            "note": "USD and EUR from each sale converted at its month’s ECB rate"
        },
        "basis": "Auction hammer prices with the buyer’s premium removed; eBay as sold"
    },
    "reason": null,
    "versions": [],
    "set_apart": [],
    "version_status": null,
    "book_guide": null,
    "sales_shown": [
        {
            "id": 15641,
            "date": "2016-11-19",
            "venue": "Leitz Photographica Auction",
            "title": "Cornu Ontoscope 6x13 Stéréo Panoramique N°3",
            "price": 750,
            "currency": "EUR",
            "gbp": 652,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Cornu-Ontoscope-6x13-Stereo-Panoramique-N03/AI-30-34749",
            "lot": "AI_30_34749"
        },
        {
            "id": 80524,
            "date": "2004-11-09",
            "venue": "Bonhams",
            "title": "Ontoscope camera and viewers",
            "price": 120,
            "currency": "GBP",
            "gbp": 120,
            "basis": "hammer",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.bonhams.com/auction/11083/lot/462/ontoscope-camera-and-viewers/",
            "lot": "462"
        },
        {
            "id": 9708,
            "date": "2001-09-18",
            "venue": "Christie's",
            "title": "Ontoscope no. 3699",
            "price": 70,
            "currency": "GBP",
            "gbp": 60,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-2919170?ldp_breadcrumb=back",
            "lot": "223"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/c/cornu/ontoscope/sales/",
    "citation": "“Cornu Ontoscope: about £120, the median of 3 recorded sales, 2001–2016 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/c/cornu/ontoscope/",
    "method": {
        "version": 1,
        "url": "https://www.cameraworth.com/methodology/"
    },
    "computed_at": "2026-10-08 00:10:00.968880",
    "attribution": "Data from cameraworth.com — a public register of what cameras and lenses actually sold for. Cite the page URL and the retrieval date; see /methodology/ for how each figure is made."
}