{
    "type": "version",
    "name": "Nikon 18mm f/4 Ai",
    "url": "https://www.cameraworth.com/n/nikon/18mm-f-4/v/ai/",
    "product": {
        "name": "Nikon 18mm f/4",
        "url": "https://www.cameraworth.com/n/nikon/18mm-f-4/"
    },
    "display_piece": false,
    "answer": "The Nikon 18mm f/4 Ai sells for about £289 (median of only 5 recorded sales, 2020–2026; indicative).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [],
        "n": 5,
        "median_gbp": 289,
        "middle_half_gbp": null,
        "period": [
            "2020-05-21",
            "2026-07-20"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 302,
            "without_flagged": null,
            "without_highest": 240
        },
        "extras": {
            "median_usd": 385,
            "median_eur": 335,
            "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"
    },
    "maybe_this_version": 2,
    "sales_shown": [
        {
            "id": 56322,
            "date": "2026-07-20",
            "venue": "eBay",
            "title": "Nikon Ai 18mm f/4  Nikkor lens Well Used but Working Well, Tested, Sample shots",
            "price": 130,
            "currency": "GBP",
            "gbp": 130,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/168429853459",
            "lot": null
        },
        {
            "id": 56321,
            "date": "2026-07-07",
            "venue": "eBay",
            "title": "EXCELLENT Nikon Ai Nikkor 18mm F/4 Prime Lens Inspected/Tested Works READ",
            "price": 420,
            "currency": "USD",
            "gbp": 314,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/327162400082",
            "lot": null
        },
        {
            "id": 56320,
            "date": "2026-06-20",
            "venue": "eBay",
            "title": "Nikon Ai NIKKOR 18mm f/4 MF Lens From Japan #685",
            "price": 385,
            "currency": "USD",
            "gbp": 289,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/227371611663",
            "lot": null
        },
        {
            "id": 39965,
            "date": "2024-10-09",
            "venue": "Harper Field",
            "title": "Nikon Nikkor 18mm 1:4 SLR camera lens, serial number 192009, with HN-19 hood, L39 filter and Nikon",
            "price": 190,
            "currency": "GBP",
            "gbp": 190,
            "basis": "hammer",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://bid.harperfield.co.uk/past-auctions/srstr10147/lot-details/9bfa04a9-9aaa-4c53-a4dc-b1f60151d3e0",
            "lot": "1469"
        },
        {
            "id": 48316,
            "date": "2020-05-21",
            "venue": "Flints Auctions",
            "title": "A Nikon Ai Nikkor f/4 18mm Lens",
            "price": 392,
            "currency": "GBP",
            "gbp": 320,
            "basis": "premium_inclusive",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "164"
        }
    ],
    "citation": "“Nikon 18mm f/4 Ai: about £289, the median of 5 recorded sales, 2020–2026 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/n/nikon/18mm-f-4/v/ai/",
    "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."
}