{
    "type": "product",
    "name": "Canon EF 200-400mm f/4L IS USM Extender 1.4x",
    "url": "https://www.cameraworth.com/c/canon/ef-200-400mm-f-4l-is-usm-extender-1-4x/",
    "brand": {
        "name": "Canon",
        "url": "https://www.cameraworth.com/c/canon/"
    },
    "answer": "The Canon EF 200-400mm f/4L IS USM Extender 1.4x sells for about £2,943 (median of only 5 recorded sales, Aug–Sep 2026; indicative, one source).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [
            "one_source"
        ],
        "n": 5,
        "median_gbp": 2943,
        "middle_half_gbp": null,
        "period": [
            "2026-08-14",
            "2026-09-12"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 3687,
            "without_flagged": null,
            "without_highest": 2816
        },
        "extras": {
            "median_usd": 3949,
            "median_eur": 3430,
            "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": 87230,
            "date": "2026-09-12",
            "venue": "eBay",
            "title": "Canon EF 200-400mm f4 L IS USM Lens Extender 1.4x [Near Mint]",
            "price": 3949,
            "currency": "USD",
            "gbp": 2943,
            "basis": "marketplace",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.com/itm/307144956619",
            "lot": null
        },
        {
            "id": 87231,
            "date": "2026-08-28",
            "venue": "eBay",
            "title": "Canon EF 200-400mm f4 L IS USM Extender 1.4x Lens #271",
            "price": 3630,
            "currency": "USD",
            "gbp": 2680,
            "basis": "marketplace",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.com/itm/206473066713",
            "lot": null
        },
        {
            "id": 87227,
            "date": "2026-08-27",
            "venue": "eBay",
            "title": "Canon EF 200-400mm F/4L IS USM w/ Built-in Extender 1.4X (EF mount) #10",
            "price": 3642,
            "currency": "USD",
            "gbp": 2689,
            "basis": "marketplace",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.com/itm/358391237109",
            "lot": null
        },
        {
            "id": 87229,
            "date": "2026-08-14",
            "venue": "eBay",
            "title": "Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens **OPEN BOX**",
            "price": 7000,
            "currency": "USD",
            "gbp": 5169,
            "basis": "marketplace",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.com/itm/358822164961",
            "lot": null
        },
        {
            "id": 87228,
            "date": "2026-08-14",
            "venue": "eBay",
            "title": "Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens **OPEN BOX**",
            "price": 6000,
            "currency": "USD",
            "gbp": 4431,
            "basis": "marketplace",
            "version": null,
            "version_status": null,
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.com/itm/820003315296",
            "lot": null
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/c/canon/ef-200-400mm-f-4l-is-usm-extender-1-4x/sales/",
    "citation": "“Canon EF 200-400mm f/4L IS USM Extender 1.4x: about £2,943, the median of 5 recorded sales, August–September 2026 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/c/canon/ef-200-400mm-f-4l-is-usm-extender-1-4x/",
    "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."
}