{
    "type": "version",
    "name": "Canon 400mm f/4.5 R",
    "url": "https://www.cameraworth.com/c/canon/400mm-f-4-5/v/r/",
    "product": {
        "name": "Canon 400mm f/4.5",
        "url": "https://www.cameraworth.com/c/canon/400mm-f-4-5/"
    },
    "display_piece": false,
    "answer": "The Canon 400mm f/4.5 R has 2 recorded sales: £350 (21 May 2020, Flints Auctions) and £300 (2 Sep 1999, Christie's). That is too few for a typical price.",
    "figure": {
        "grade": "sales_only",
        "grade_label": "Sales only",
        "modifiers": [
            "old"
        ],
        "n": 2,
        "median_gbp": null,
        "middle_half_gbp": null,
        "period": [
            "1999-09-02",
            "2020-05-21"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": null,
        "extras": null,
        "basis": "Auction hammer prices with the buyer’s premium removed; eBay as sold"
    },
    "maybe_this_version": 2,
    "sales_shown": [
        {
            "id": 22697,
            "date": "2020-05-21",
            "venue": "Flints Auctions",
            "title": "A Canon f/4.5 400mm 'Reflex' Lens",
            "price": 429,
            "currency": "GBP",
            "gbp": 350,
            "basis": "premium_inclusive",
            "version": "R",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "109"
        },
        {
            "id": 5518,
            "date": "1999-09-02",
            "venue": "Christie's",
            "title": "Canon 400mm. f/4.5 no. 20080",
            "price": 345,
            "currency": "GBP",
            "gbp": 300,
            "basis": "premium_inclusive",
            "version": "R",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-1554518?ldp_breadcrumb=back",
            "lot": "160"
        }
    ],
    "citation": "“Canon 400mm f/4.5 R: 2 recorded sales, 1999–2020; no typical price (method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/c/canon/400mm-f-4-5/v/r/",
    "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."
}