{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "sony-fe-300mm-f2-8-gm-oss",
 "name": "Sony FE 300mm F2.8 GM OSS (SEL300F28GM)",
 "kind": "modern",
 "category": "Electronics",
 "group": "Sony E-mount lenses",
 "year": null,
 "question": "What are the dimensions of the Sony FE 300mm F2.8 GM OSS?",
 "tags": [
  "sony e-mount lenses",
  "lens"
 ],
 "aliases": [
  "SEL300F28GM dimensions",
  "SEL300F28GM size",
  "Sony FE 300mm F2.8 GM OSS dimensions",
  "Sony FE 300mm F2.8 GM OSS size",
  "Sony FE 300mm F2.8 GM OSS length",
  "Sony FE 300mm F2.8 GM OSS diameter",
  "Sony FE 300mm F2.8 GM OSS filter size",
  "Sony FE 300mm F2.8 GM OSS weight",
  "how long is the Sony FE 300mm F2.8 GM OSS",
  "Sony FE 300mm F2.8 GM OSS lens cap size",
  "dimensiones Sony FE 300mm F2.8 GM OSS",
  "medidas Sony FE 300mm F2.8 GM OSS",
  "Sony FE 300mm F2.8 GM OSS Abmessungen"
 ],
 "overall_mm": {
  "length": 124,
  "width": 124,
  "height": 265
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/sony-fe-300mm-f2-8-gm-oss/",
 "sheet_txt": "https://xemstudio.com/objects/sony-fe-300mm-f2-8-gm-oss/sheet.txt",
 "sheet": {
  "basis": "Manufacturer specifications (Sony Marketing (Japan))",
  "overall_mm": {
   "length": 124,
   "width": 124,
   "height": 265
  },
  "notes": [
   "Sony FE 300mm F2.8 GM OSS (SEL300F28GM) measures 124 mm in diameter and 265 mm long (4.88 × 10.43 in) per Sony Marketing (Japan)'s specifications.",
   "Filter thread is 40.5 mm. Use these for lens-cap holders, hood adapters, padded case inserts and storage racks.",
   "No CAD file: the maker publishes only overall sizes, and a plain box or cylinder is not useful design geometry. The table is the published data; parts with real geometry have their own pages."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Maximum diameter",
     "124 mm (4.88 in)"
    ],
    [
     "Length",
     "265 mm (10.43 in)"
    ],
    [
     "Filter thread",
     "40.5 mm"
    ],
    [
     "Weight",
     "1,470 g (tripod mount excluded)"
    ],
    [
     "Mount",
     "Sony E-mount"
    ],
    [
     "Model number",
     "SEL300F28GM"
    ],
    [
     "Filter type",
     "drop-in"
    ]
   ]
  }
 },
 "sheet_text": "Sony FE 300mm F2.8 GM OSS (SEL300F28GM) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sony-fe-300mm-f2-8-gm-oss/  (sheet CC BY 4.0)\nBasis: Manufacturer specifications (Sony Marketing (Japan))\nCatalog version: 2026-10-20\n\nOverall (mm): length 124, width 124, height 265\n- Sony FE 300mm F2.8 GM OSS (SEL300F28GM) measures 124 mm in diameter and 265 mm long (4.88 × 10.43 in) per Sony Marketing (Japan)'s specifications.\n- Filter thread is 40.5 mm. Use these for lens-cap holders, hood adapters, padded case inserts and storage racks.\n- No CAD file: the maker publishes only overall sizes, and a plain box or cylinder is not useful design geometry. The table is the published data; parts with real geometry have their own pages.\n\ndimension  value\nMaximum diameter  124 mm (4.88 in)\nLength  265 mm (10.43 in)\nFilter thread  40.5 mm\nWeight  1,470 g (tripod mount excluded)\nMount  Sony E-mount\nModel number  SEL300F28GM\nFilter type  drop-in\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Sony Marketing (Japan): Lens & Accessory: E-mount lens / accessory general catalogue (PDF) — web — Publisher's page; dimensions are facts — https://www.sony.jp/products/catalog/alpha_lens.pdf\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=sony-fe-300mm-f2-8-gm-oss\n",
 "sources": [
  {
   "publisher": "Sony Marketing (Japan)",
   "title": "Lens & Accessory: E-mount lens / accessory general catalogue (PDF)",
   "url": "https://www.sony.jp/products/catalog/alpha_lens.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "sony-fe-28-70mm-f2-gm",
  "sony-fe-50-150mm-f2-gm",
  "sony-fe-50mm-f1-2-gm",
  "sony-fe-50mm-f1-4-gm"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "How big is the Sony FE 300mm F2.8 GM OSS?",
   "a": "124 mm maximum diameter × 265 mm long (4.88 × 10.43 in)."
  },
  {
   "q": "What filter size does the Sony FE 300mm F2.8 GM OSS take?",
   "a": "40.5 mm."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/sony-fe-300mm-f2-8-gm-oss/index.md"
}