{
    "type": "version",
    "name": "Tamron 500mm f/8 Adaptall-2 SP Mirror",
    "url": "https://www.cameraworth.com/t/tamron/500mm-f-8/v/500mm-f-8-adaptall-2-sp-mirror/",
    "product": {
        "name": "Tamron 500mm f/8",
        "url": "https://www.cameraworth.com/t/tamron/500mm-f-8/"
    },
    "display_piece": false,
    "answer": "The Tamron 500mm f/8 Adaptall-2 SP Mirror sells for about £30 (median of only 3 recorded sales, 2023–2026; indicative, one source).",
    "figure": {
        "grade": "indicative",
        "grade_label": "Indicative",
        "modifiers": [
            "one_source"
        ],
        "n": 3,
        "median_gbp": 30,
        "middle_half_gbp": null,
        "period": [
            "2023-06-13",
            "2026-03-10"
        ],
        "last_3_years": null,
        "pools": null,
        "one_sale_moves_this": {
            "without_lowest": 45,
            "without_flagged": null,
            "without_highest": 25
        },
        "extras": {
            "median_usd": 40,
            "median_eur": 35,
            "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": 1,
    "sales_shown": [
        {
            "id": 42507,
            "date": "2026-03-10",
            "venue": "Special Auction Services",
            "title": "A Tamron SP 500mm f/8 reflex lens",
            "price": 30,
            "currency": "GBP",
            "gbp": 30,
            "basis": "hammer",
            "version": "Adaptall-2 SP Mirror",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "93"
        },
        {
            "id": 7688,
            "date": "2025-07-22",
            "venue": "Special Auction Services",
            "title": "A Tamron SP 500mm f/8 Tele Macro Reflex Lens",
            "price": 20,
            "currency": "GBP",
            "gbp": 20,
            "basis": "hammer",
            "version": "Adaptall-2 SP Mirror",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "317"
        },
        {
            "id": 21461,
            "date": "2023-06-13",
            "venue": "Special Auction Services",
            "title": "A Tamron SP 500mm f/8 Reflex Lens",
            "price": 60,
            "currency": "GBP",
            "gbp": 60,
            "basis": "hammer",
            "version": "Adaptall-2 SP Mirror",
            "version_status": "matched",
            "in_typical_price": true,
            "set_apart": null,
            "flags": [],
            "source_url": null,
            "lot": "514"
        }
    ],
    "citation": "“Tamron 500mm f/8 Adaptall-2 SP Mirror: about £30, the median of 3 recorded sales, 2023–2026 (Indicative, method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/t/tamron/500mm-f-8/v/500mm-f-8-adaptall-2-sp-mirror/",
    "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."
}