{
    "type": "product",
    "name": "Zeiss Ikon Tenax",
    "url": "https://www.cameraworth.com/z/zeiss-ikon/tenax/",
    "brand": {
        "name": "Zeiss Ikon",
        "url": "https://www.cameraworth.com/z/zeiss-ikon/"
    },
    "answer": "The Zeiss Ikon Tenax sells for about £135 (median of only 7 recorded sales, 1998–2026; indicative, version mix).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [
            "version_mix"
        ],
        "n": 7,
        "median_gbp": 135,
        "middle_half_gbp": null,
        "period": [
            "1998-08-20",
            "2026-07-14"
        ],
        "last_3_years": null,
        "pools": {
            "saleroom_gbp": 180,
            "marketplace_gbp": 29
        },
        "one_sale_moves_this": {
            "without_lowest": 148,
            "without_flagged": 160,
            "without_highest": 128
        },
        "extras": {
            "median_usd": 184,
            "median_eur": 164,
            "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": "(folding)",
            "url": "https://www.cameraworth.com/z/zeiss-ikon/tenax/v/folding/",
            "kind": "working",
            "n": 3,
            "grade": "indicative",
            "median_gbp": 29
        }
    ],
    "set_apart": {
        "awaiting": {
            "label": "Awaiting classification",
            "n": 1,
            "min_gbp": 12,
            "max_gbp": 12,
            "median_gbp": null
        }
    },
    "version_status": {
        "matched": 3,
        "pending": 2,
        "undeterminable": 2
    },
    "book_guide": null,
    "sales_shown": [
        {
            "id": 69834,
            "date": "2026-07-20",
            "venue": "eBay",
            "title": "Zeiss Ikon VEB TENAX 35mm 1:3.5 Novar Anastigmat Rangefinder Camera Viewfinder Faulty!",
            "price": 14,
            "currency": "EUR",
            "gbp": 12,
            "basis": "marketplace",
            "version": "(folding)",
            "version_status": "matched",
            "in_typical_price": false,
            "set_apart": "awaiting",
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/168542838734",
            "lot": null
        },
        {
            "id": 69839,
            "date": "2026-07-14",
            "venue": "eBay",
            "title": "Zeiss Ikon Tenax Novar 3.5 cm 35 mm 1:3.5 rangefinder camera viewfinder camera analog",
            "price": 34,
            "currency": "EUR",
            "gbp": 29,
            "basis": "marketplace",
            "version": "(folding)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "far_below"
            ],
            "source_url": "https://www.ebay.co.uk/itm/168529726602",
            "lot": null
        },
        {
            "id": 74666,
            "date": "2026-07-12",
            "venue": "eBay",
            "title": "Zeiss Ikon Tenax  With Zeiss Tessar 3,5/37,5mm Red T Case Spool",
            "price": 180,
            "currency": "USD",
            "gbp": 135,
            "basis": "marketplace",
            "version": "(folding)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.ebay.co.uk/itm/277383229408",
            "lot": null
        },
        {
            "id": 73154,
            "date": "2026-07-04",
            "venue": "eBay",
            "title": "Zeiss Ikon Tenax Silver/Black 35mm Camera w/ Carl Zeiss Tessar 50mm f/2.8",
            "price": 35,
            "currency": "USD",
            "gbp": 26,
            "basis": "marketplace",
            "version": "(folding)",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "far_below"
            ],
            "source_url": "https://www.ebay.co.uk/itm/366506071923",
            "lot": null
        },
        {
            "id": 13418,
            "date": "2021-11-01",
            "venue": "Tamarkin Rare Camera Auctions",
            "title": "Zeiss-Ikon Tenax Nr. J88525 \"R. Plankenbühler\"",
            "price": 500,
            "currency": "USD",
            "gbp": 371,
            "basis": "hammer",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.tamarkinauctions.com/results/november-2021-auction-results",
            "lot": "48"
        },
        {
            "id": 76068,
            "date": "2015-10-29",
            "venue": "Special Auction Services",
            "title": "Zeiss Ikon Tenax Camera",
            "price": 120,
            "currency": "GBP",
            "gbp": 120,
            "basis": "hammer",
            "version": null,
            "version_status": "pending",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://web.archive.org/web/20160206103033/http://www.specialauctionservices.com:80/large/cm291015/lot0031.html",
            "lot": "31"
        },
        {
            "id": 62529,
            "date": "2014-04-30",
            "venue": "Special Auction Services",
            "title": "A Zeiss Ikon Tenax Camera",
            "price": 160,
            "currency": "GBP",
            "gbp": 160,
            "basis": "hammer",
            "version": null,
            "version_status": "undeterminable",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://web.archive.org/web/20160328231547/http://specialauctionservices.com/large/cm300414/lot0111.html",
            "lot": "111"
        },
        {
            "id": 39435,
            "date": "1998-08-20",
            "venue": "Christie's",
            "title": "Prewar Tenax no. E.4886",
            "price": 230,
            "currency": "GBP",
            "gbp": 200,
            "basis": "premium_inclusive",
            "version": null,
            "version_status": "undeterminable",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.christies.com/en/lot/lot-1268342?ldp_breadcrumb=back",
            "lot": "194"
        }
    ],
    "sales_ledger": "https://www.cameraworth.com/z/zeiss-ikon/tenax/sales/",
    "citation": "“Zeiss Ikon Tenax: about £135, the median of 7 recorded sales, 1998–2026 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/z/zeiss-ikon/tenax/",
    "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."
}