{
    "type": "product",
    "name": "Zeiss Ikon Ikonta 521/16 (Ikonta B, Opton)",
    "url": "https://www.cameraworth.com/z/zeiss-ikon/ikonta-521-16-ikonta-b-opton/",
    "brand": {
        "name": "Zeiss Ikon",
        "url": "https://www.cameraworth.com/z/zeiss-ikon/"
    },
    "answer": "The Zeiss Ikon Ikonta 521/16 (Ikonta B, Opton) typically sells for £79 (median of 14 recorded sales, 2003–2026; fair evidence, version mix).",
    "figure": {
        "grade": "fair",
        "grade_label": "Fair",
        "modifiers": [
            "version_mix"
        ],
        "n": 14,
        "median_gbp": 79,
        "middle_half_gbp": [
            41,
            119
        ],
        "period": [
            "2003-05-23",
            "2026-08-12"
        ],
        "last_3_years": null,
        "pools": {
            "saleroom_gbp": 119,
            "marketplace_gbp": 45
        },
        "one_sale_moves_this": null,
        "extras": {
            "median_usd": 121,
            "median_eur": 102,
            "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": "standard Carl Zeiss Jena Tessar lens (non-Opton, vs Zeiss-Opton Oberkochen Tessar on parent)",
            "url": "https://www.cameraworth.com/z/zeiss-ikon/ikonta-521-16-ikonta-b-opton/v/standard-carl-zeiss-jena-tessar-lens-non-opton-vs-zeiss-opton-oberkochen-tessar-on-parent/",
            "kind": "working",
            "n": 1,
            "grade": "sales_only",
            "median_gbp": null
        }
    ],
    "set_apart": [],
    "version_status": {
        "matched": 1,
        "pending": 9,
        "undeterminable": 4
    },
    "book_guide": null,
    "sales_shown": [
        {
            "id": 71605,
            "date": "2026-08-12",
            "venue": "eBay",
            "title": "Vintage Ikonta 521/16 Zeiss Ikon Film Camera",
            "price": 9,
            "currency": "GBP",
            "gbp": 9,
            "basis": "marketplace",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "far_below"
            ],
            "source_url": "https://www.ebay.co.uk/itm/318681050065",
            "lot": null
        },
        {
            "id": 71606,
            "date": "2026-08-08",
            "venue": "eBay",
            "title": "FUNCTIONAL Zeiss Ikon Ikonta 521/16 Folding Camera Tessar f:3.5 Compur-Rapid",
            "price": 120,
            "currency": "USD",
            "gbp": 89,
            "basis": "marketplace",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/278183069454",
            "lot": null
        },
        {
            "id": 71610,
            "date": "2026-07-28",
            "venue": "eBay",
            "title": "Zeiss IKON Ikonta 521/16 with Novar 7.5cm f/3.5 - SNr: E95966",
            "price": 35,
            "currency": "EUR",
            "gbp": 30,
            "basis": "marketplace",
            "version": null,
            "version_status": "undeterminable",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/800387611663",
            "lot": null
        },
        {
            "id": 71608,
            "date": "2026-07-28",
            "venue": "eBay",
            "title": "Zeiss Ikon Ikonta 521/16 Tessar 1:3.5 f=7.5 cm",
            "price": 46,
            "currency": "GBP",
            "gbp": 46,
            "basis": "marketplace",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/398163559712",
            "lot": null
        },
        {
            "id": 71612,
            "date": "2026-07-27",
            "venue": "eBay",
            "title": "Vintage Zeiss Ikon Ikonta 521/16 Folding Camera 120 6x6 - CLA Film Tested",
            "price": 60,
            "currency": "USD",
            "gbp": 45,
            "basis": "marketplace",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/398203984652",
            "lot": null
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/z/zeiss-ikon/ikonta-521-16-ikonta-b-opton/sales/",
    "citation": "“Zeiss Ikon Ikonta 521/16 (Ikonta B, Opton): typical sale price £79, the median of 14 recorded sales, 2003–2026, middle half £41–£119 (Fair, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/z/zeiss-ikon/ikonta-521-16-ikonta-b-opton/",
    "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."
}