{
    "type": "version",
    "name": "Nikon 20mm f/4 Ai",
    "url": "https://www.cameraworth.com/n/nikon/20mm-f-4/v/ai/",
    "product": {
        "name": "Nikon 20mm f/4",
        "url": "https://www.cameraworth.com/n/nikon/20mm-f-4/"
    },
    "display_piece": false,
    "answer": "The Nikon 20mm f/4 Ai sells for about £85 (median of only 9 recorded sales, 2022–2026; indicative).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [],
        "n": 9,
        "median_gbp": 85,
        "middle_half_gbp": null,
        "period": [
            "2022-10-12",
            "2026-08-09"
        ],
        "last_3_years": null,
        "pools": {
            "saleroom_gbp": 83,
            "marketplace_gbp": 133
        },
        "one_sale_moves_this": {
            "without_lowest": 103,
            "without_flagged": null,
            "without_highest": 83
        },
        "extras": {
            "median_usd": 100,
            "median_eur": 98,
            "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": 1,
    "sales_shown": [
        {
            "id": 72246,
            "date": "2026-08-09",
            "venue": "eBay",
            "title": "Nikon Ai Nikkor 20mm f/4 Wide Angle F Mount MF Lens *Near Mint* #5748",
            "price": 200,
            "currency": "USD",
            "gbp": 148,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/407062195911",
            "lot": null
        },
        {
            "id": 56319,
            "date": "2026-08-06",
            "venue": "eBay",
            "title": "Nikon Nikkor 20mm F4 AI Mount Wide Angle Lens (Read) - UK Dealer",
            "price": 70,
            "currency": "GBP",
            "gbp": 70,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/307108862680",
            "lot": null
        },
        {
            "id": 56318,
            "date": "2026-08-01",
            "venue": "eBay",
            "title": "20mm f/4 Nikkor manual focus Nikkon AI lens",
            "price": 91,
            "currency": "USD",
            "gbp": 67,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/287484034826",
            "lot": null
        },
        {
            "id": 56317,
            "date": "2026-07-27",
            "venue": "eBay",
            "title": "Nikon Ai NIKKOR 20mm f/4 MF Wide Angle lens \"Excellent+\" From Japan #87121",
            "price": 133,
            "currency": "GBP",
            "gbp": 133,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/398181325965",
            "lot": null
        },
        {
            "id": 56316,
            "date": "2026-07-21",
            "venue": "eBay",
            "title": "[Top MINT] Nikon Ai Nikkor 20mm f/4 Wide Angle F Mount MF Lens From JAPAN",
            "price": 210,
            "currency": "USD",
            "gbp": 157,
            "basis": "marketplace",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/168513594075",
            "lot": null
        },
        {
            "id": 4955,
            "date": "2025-06-25",
            "venue": "Flints Auctions",
            "title": "A Nikon Nikkor f/4 20mm Ai Lens",
            "price": 150,
            "currency": "GBP",
            "gbp": 120,
            "basis": "premium_inclusive",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "275"
        },
        {
            "id": 8171,
            "date": "2024-04-16",
            "venue": "Special Auction Services",
            "title": "A Nikon Nikkor 20mm f/4 Ai Lens",
            "price": 80,
            "currency": "GBP",
            "gbp": 80,
            "basis": "hammer",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "172"
        },
        {
            "id": 37491,
            "date": "2024-02-29",
            "venue": "Flints Auctions",
            "title": "A Nikon Ai Nikkor f/4 20mm Lens",
            "price": 75,
            "currency": "GBP",
            "gbp": 60,
            "basis": "premium_inclusive",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "56"
        },
        {
            "id": 20759,
            "date": "2022-10-12",
            "venue": "Flints Auctions",
            "title": "A Nikon AI Nikkor f/4 20mm  Lens",
            "price": 106,
            "currency": "GBP",
            "gbp": 85,
            "basis": "premium_inclusive",
            "version": "Ai",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "168"
        }
    ],
    "citation": "“Nikon 20mm f/4 Ai: about £85, the median of 9 recorded sales, 2022–2026 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/n/nikon/20mm-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."
}