{
    "type": "version",
    "name": "Carl Zeiss Jena Planar 100mm f/2.8",
    "url": "https://www.cameraworth.com/c/carl-zeiss-jena/planar/v/100mm-f-2-8/",
    "product": {
        "name": "Carl Zeiss Jena Planar",
        "url": "https://www.cameraworth.com/c/carl-zeiss-jena/planar/"
    },
    "display_piece": false,
    "answer": "The Carl Zeiss Jena Planar 100mm f/2.8 has 2 recorded sales: £439 (28 May 2011, Leitz Photographica Auction) and £1,477 (29 May 2004, Leitz Photographica Auction). That is too few for a typical price.",
    "figure": {
        "grade": "sales_only",
        "grade_label": "Sales only",
        "modifiers": [
            "old"
        ],
        "n": 2,
        "median_gbp": null,
        "middle_half_gbp": null,
        "period": [
            "2004-05-29",
            "2011-05-28"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": null,
        "extras": null,
        "basis": "Auction hammer prices with the buyer’s premium removed; eBay as sold"
    },
    "maybe_this_version": 2,
    "sales_shown": [
        {
            "id": 50671,
            "date": "2011-05-28",
            "venue": "Leitz Photographica Auction",
            "title": "Carl Zeiss Opton Planar 2,8/100mm",
            "price": 500,
            "currency": "EUR",
            "gbp": 439,
            "basis": "hammer",
            "version": "100mm f/2.8",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Carl-Zeiss-Opton-Planar-2-8-100mm/AI-19-12738",
            "lot": "AI_19_12738"
        },
        {
            "id": 44431,
            "date": "2004-05-29",
            "venue": "Leitz Photographica Auction",
            "title": "Carl Zeiss   2.8/100 Planar prototype",
            "price": 2200,
            "currency": "EUR",
            "gbp": 1477,
            "basis": "hammer",
            "version": "100mm f/2.8",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": "https://www.leitz-auction.com/en/Carl-Zeiss-2.8-100-Planar-prototype/AI-5-23237",
            "lot": "AI_5_23237"
        }
    ],
    "citation": "“Carl Zeiss Jena Planar 100mm f/2.8: 2 recorded sales, 2004–2011; no typical price (method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/c/carl-zeiss-jena/planar/v/100mm-f-2-8/",
    "method": {
        "version": 1,
        "url": "https://www.cameraworth.com/methodology/"
    },
    "computed_at": "2026-10-08 02:40:00.895095",
    "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."
}