{
    "type": "version",
    "name": "Dallmeyer (J.H.) Oscillograph 51mm f/1.9",
    "url": "https://www.cameraworth.com/d/dallmeyer-j-h/oscillograph/v/51mm-f-1-9/",
    "product": {
        "name": "Dallmeyer (J.H.) Oscillograph",
        "url": "https://www.cameraworth.com/d/dallmeyer-j-h/oscillograph/"
    },
    "display_piece": false,
    "answer": "The Dallmeyer (J.H.) Oscillograph 51mm f/1.9 typically sells for £350 (median of 10 recorded sales, 2015–2024; fair evidence, wide spread).",
    "figure": {
        "grade": "fair",
        "grade_label": "Fair",
        "modifiers": [
            "wide_spread"
        ],
        "n": 10,
        "median_gbp": 350,
        "middle_half_gbp": [
            195,
            1145
        ],
        "period": [
            "2015-06-13",
            "2024-11-21"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": null,
        "extras": {
            "median_usd": 450,
            "median_eur": 403,
            "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": 0,
    "sales_shown": [
        {
            "id": 20404,
            "date": "2024-11-21",
            "venue": "Flints Auctions",
            "title": "A J. H. Dallmeyer Oscillograph f/1.9 51mm Lens",
            "price": 238,
            "currency": "GBP",
            "gbp": 190,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "305"
        },
        {
            "id": 11664,
            "date": "2024-06-04",
            "venue": "Flints Auctions",
            "title": "A Dallmeyer Oscillograph f/1.9 51mm Lens",
            "price": 200,
            "currency": "GBP",
            "gbp": 160,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "735"
        },
        {
            "id": 9796,
            "date": "2024-05-21",
            "venue": "Flints Auctions",
            "title": "A J.H. Dallmeyer f/1.9 3\" Lens",
            "price": 1625,
            "currency": "GBP",
            "gbp": 1300,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": null,
            "lot": "255"
        },
        {
            "id": 5616,
            "date": "2024-05-21",
            "venue": "Flints Auctions",
            "title": "A J. H. Dallmeyer f/1.9 2\" Lens",
            "price": 850,
            "currency": "GBP",
            "gbp": 680,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": null,
            "lot": "253"
        },
        {
            "id": 43218,
            "date": "2023-11-01",
            "venue": "Flints Auctions",
            "title": "A J. H. Dallmeyer Oscillograph f/1.9 51mm Lens",
            "price": 225,
            "currency": "GBP",
            "gbp": 180,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "363"
        },
        {
            "id": 42894,
            "date": "2023-06-20",
            "venue": "Flints Auctions",
            "title": "A Dallmeyer 51mm f/1.9 TV Camera Lens",
            "price": 262,
            "currency": "GBP",
            "gbp": 210,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": null,
            "lot": "377"
        },
        {
            "id": 16251,
            "date": "2023-05-23",
            "venue": "Flints Auctions",
            "title": "A J. D. Dallmeyer f/1.9 51mm Lens",
            "price": 4375,
            "currency": "GBP",
            "gbp": 3500,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": null,
            "lot": "279"
        },
        {
            "id": 18921,
            "date": "2019-10-18",
            "venue": "Flints Auctions",
            "title": "A Dallmeyer Oscillograph f/1.9 51mm Lens",
            "price": 360,
            "currency": "GBP",
            "gbp": 300,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "378"
        },
        {
            "id": 23165,
            "date": "2019-04-26",
            "venue": "Flints Auctions",
            "title": "A Dallmeyer Oscillograph f/1.9 51mm Lens",
            "price": 480,
            "currency": "GBP",
            "gbp": 400,
            "basis": "premium_inclusive",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "372"
        },
        {
            "id": 7377,
            "date": "2015-06-13",
            "venue": "Leitz Photographica Auction",
            "title": "Dallmeyer 1.9/2\"",
            "price": 2000,
            "currency": "EUR",
            "gbp": 1442,
            "basis": "hammer",
            "version": "51mm f/1.9",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [
                "title_miss"
            ],
            "source_url": "https://www.leitz-auction.com/en/Dallmeyer-1.9-2/AI-27-31534",
            "lot": "AI_27_31534"
        }
    ],
    "citation": "“Dallmeyer (J.H.) Oscillograph 51mm f/1.9: typical sale price £350, the median of 10 recorded sales, 2015–2024, middle half £195–£1,145 (Fair, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/d/dallmeyer-j-h/oscillograph/v/51mm-f-1-9/",
    "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."
}