{
    "type": "product",
    "name": "Nikon 21mm f/4",
    "url": "https://www.cameraworth.com/n/nikon/21mm-f-4/",
    "brand": {
        "name": "Nikon",
        "url": "https://www.cameraworth.com/n/nikon/"
    },
    "answer": "The Nikon 21mm f/4 typically sells for £350 (median of 10 recorded sales, 2003–2024; fair evidence).",
    "figure": {
        "grade": "fair",
        "grade_label": "Fair",
        "modifiers": [],
        "n": 10,
        "median_gbp": 350,
        "middle_half_gbp": [
            209,
            502
        ],
        "period": [
            "2003-11-22",
            "2024-08-27"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": null,
        "extras": {
            "median_usd": 542,
            "median_eur": 460,
            "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": [
        {
            "name": "RF",
            "url": "https://www.cameraworth.com/n/nikon/21mm-f-4/v/rf/",
            "kind": "working",
            "n": 1,
            "grade": "sales_only",
            "median_gbp": null
        },
        {
            "name": "F",
            "url": "https://www.cameraworth.com/n/nikon/21mm-f-4/v/f/",
            "kind": "working",
            "n": 9,
            "grade": "indicative",
            "median_gbp": 283
        }
    ],
    "set_apart": [],
    "version_status": {
        "matched": 10,
        "pending": 0,
        "undeterminable": 0
    },
    "book_guide": null,
    "sales_shown": [
        {
            "id": 20788,
            "date": "2024-08-27",
            "venue": "Flints Auctions",
            "title": "A Nippon Kogaku Nikkor-O f/4 2.1cm Lens and Finder",
            "price": 288,
            "currency": "GBP",
            "gbp": 230,
            "basis": "premium_inclusive",
            "version": "F",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "320"
        },
        {
            "id": 10210,
            "date": "2024-06-04",
            "venue": "Flints Auctions",
            "title": "A Nikon Nikkor-O f/4 21mm Lens",
            "price": 50,
            "currency": "GBP",
            "gbp": 40,
            "basis": "premium_inclusive",
            "version": "F",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "far_below"
            ],
            "source_url": null,
            "lot": "802"
        },
        {
            "id": 13749,
            "date": "2021-04-29",
            "venue": "Flints Auctions",
            "title": "A Nikon Nikkor-O f/4 21mm Lens",
            "price": 236,
            "currency": "GBP",
            "gbp": 190,
            "basis": "premium_inclusive",
            "version": "F",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "185"
        },
        {
            "id": 13019,
            "date": "2020-11-01",
            "venue": "Tamarkin Rare Camera Auctions",
            "title": "21mm Nikkor-O f4",
            "price": 2600,
            "currency": "USD",
            "gbp": 1968,
            "basis": "hammer",
            "version": "F",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "far_above"
            ],
            "source_url": "https://www.tamarkinauctions.com/results/november-2020-auction-results",
            "lot": "320"
        },
        {
            "id": 8896,
            "date": "2016-11-19",
            "venue": "Leitz Photographica Auction",
            "title": "Nikon 4/2.1cm  Nikkor-O",
            "price": 600,
            "currency": "EUR",
            "gbp": 521,
            "basis": "hammer",
            "version": "RF",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Nikon-4-2.1cm-Nikkor-O/AI-30-34067",
            "lot": "AI_30_34067"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/n/nikon/21mm-f-4/sales/",
    "citation": "“Nikon 21mm f/4: typical sale price £350, the median of 10 recorded sales, 2003–2024, middle half £209–£502 (Fair, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/n/nikon/21mm-f-4/",
    "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."
}