{
    "type": "version",
    "name": "Carl Zeiss Jena Biotar 50mm f/1.4",
    "url": "https://www.cameraworth.com/c/carl-zeiss-jena/biotar/v/50mm-f-1-4/",
    "product": {
        "name": "Carl Zeiss Jena Biotar",
        "url": "https://www.cameraworth.com/c/carl-zeiss-jena/biotar/"
    },
    "display_piece": false,
    "answer": "The Carl Zeiss Jena Biotar 50mm f/1.4 sells for about £1,346 (median of only 5 recorded sales, 2003–2024; indicative).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [],
        "n": 5,
        "median_gbp": 1346,
        "middle_half_gbp": null,
        "period": [
            "2003-05-23",
            "2024-11-23"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 3173,
            "without_flagged": null,
            "without_highest": 919
        },
        "extras": {
            "median_usd": 2645,
            "median_eur": 1701,
            "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": 4,
    "sales_shown": [
        {
            "id": 50362,
            "date": "2024-11-23",
            "venue": "Leitz Photographica Auction",
            "title": "Carl Zeiss Jena f. Leica M39 Biotar 1.4/5cm",
            "price": 11000,
            "currency": "EUR",
            "gbp": 9172,
            "basis": "hammer",
            "version": "50mm f/1.4",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Carl-Zeiss-Jena-f.-Leica-M39-Biotar-1.4-5cm/A01104",
            "lot": "A01104"
        },
        {
            "id": 44095,
            "date": "2024-05-21",
            "venue": "Flints Auctions",
            "title": "A Carl Zeiss Jena Biotar f/1.4 50mm Lens",
            "price": 6250,
            "currency": "GBP",
            "gbp": 5000,
            "basis": "premium_inclusive",
            "version": "50mm f/1.4",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "121"
        },
        {
            "id": 48309,
            "date": "2010-05-29",
            "venue": "Leitz Photographica Auction",
            "title": "Carl Zeiss Jena Biotar T 1.4/5cm",
            "price": 250,
            "currency": "EUR",
            "gbp": 214,
            "basis": "hammer",
            "version": "50mm f/1.4",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Carl-Zeiss-Jena-Biotar-T-1.4-5cm/AI-17-11563",
            "lot": "AI_17_11563"
        },
        {
            "id": 41828,
            "date": "2008-06-07",
            "venue": "Leitz Photographica Auction",
            "title": "Carl Zeiss Jena  Biotar 1.4/5cm",
            "price": 1700,
            "currency": "EUR",
            "gbp": 1346,
            "basis": "hammer",
            "version": "50mm f/1.4",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Carl-Zeiss-Jena-Biotar-1.4-5cm/AI-13-17424",
            "lot": "AI_13_17424"
        },
        {
            "id": 41931,
            "date": "2003-05-23",
            "venue": "Leitz Photographica Auction",
            "title": "Carl Zeiss Jena  5cm/1,4 Biotar",
            "price": 688,
            "currency": "EUR",
            "gbp": 491,
            "basis": "hammer",
            "version": "50mm f/1.4",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Carl-Zeiss-Jena-5cm-1-4-Biotar/AI-2-22310",
            "lot": "AI_2_22310"
        }
    ],
    "citation": "“Carl Zeiss Jena Biotar 50mm f/1.4: about £1,346, the median of 5 recorded sales, 2003–2024 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/c/carl-zeiss-jena/biotar/v/50mm-f-1-4/",
    "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."
}