{
 "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": "sigma-45mm-f2-8-dg-dn-contemporary",
 "name": "Sigma 45mm F2.8 DG DN | Contemporary lens",
 "kind": "modern",
 "category": "Electronics",
 "group": "Sigma DG DN lenses",
 "year": null,
 "question": "What are the dimensions of the Sigma 45mm F2.8 DG DN Contemporary?",
 "tags": [
  "sigma dg dn lenses",
  "lens"
 ],
 "aliases": [
  "Sigma 45mm F2.8 DG DN Sony E dimensions",
  "Sigma 45mm F2.8 DG DN L-mount dimensions",
  "Sigma 45mm F2.8 DG DN Contemporary dimensions",
  "Sigma 45mm F2.8 DG DN Contemporary size",
  "Sigma 45mm F2.8 DG DN Contemporary length",
  "Sigma 45mm F2.8 DG DN Contemporary diameter",
  "Sigma 45mm F2.8 DG DN Contemporary filter size",
  "Sigma 45mm F2.8 DG DN Contemporary weight",
  "how long is the Sigma 45mm F2.8 DG DN Contemporary",
  "Sigma 45mm F2.8 DG DN Contemporary lens cap size",
  "dimensiones Sigma 45mm F2.8 DG DN Contemporary",
  "medidas Sigma 45mm F2.8 DG DN Contemporary",
  "Sigma 45mm F2.8 DG DN Contemporary Abmessungen"
 ],
 "overall_mm": {
  "length": 64,
  "width": 64,
  "height": 48.2
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/sigma-45mm-f2-8-dg-dn-contemporary/",
 "sheet_txt": "https://xemstudio.com/objects/sigma-45mm-f2-8-dg-dn-contemporary/sheet.txt",
 "sheet": {
  "basis": "Manufacturer specifications (Sigma)",
  "overall_mm": {
   "length": 64,
   "width": 64,
   "height": 48.2
  },
  "notes": [
   "Sigma 45mm F2.8 DG DN | Contemporary lens measures 64 mm in diameter and 48.2 mm long (2.52 × 1.9 in) per Sigma's specifications.",
   "Filter thread is 55 mm. Use these for lens-cap holders, hood adapters, padded case inserts and storage racks.",
   "Sigma makes this lens for Sony E-mount and L-Mount; the outer diameter is the same, the L-Mount version is 2 mm shorter, and the model above uses the Sony E-mount length.",
   "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",
     "64 mm (2.52 in)"
    ],
    [
     "Length",
     "48.2 mm (1.9 in)"
    ],
    [
     "Filter thread",
     "55 mm"
    ],
    [
     "Weight",
     "230 g"
    ],
    [
     "Mount",
     "Sony E-mount (L-Mount version also listed)"
    ],
    [
     "Length, L-Mount version",
     "46.2 mm"
    ],
    [
     "Weight, L-Mount version",
     "215 g"
    ]
   ]
  }
 },
 "sheet_text": "Sigma 45mm F2.8 DG DN | Contemporary lens — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sigma-45mm-f2-8-dg-dn-contemporary/  (sheet CC BY 4.0)\nBasis: Manufacturer specifications (Sigma)\nCatalog version: 2026-10-20\n\nOverall (mm): length 64.0, width 64.0, height 48.2\n- Sigma 45mm F2.8 DG DN | Contemporary lens measures 64 mm in diameter and 48.2 mm long (2.52 × 1.9 in) per Sigma's specifications.\n- Filter thread is 55 mm. Use these for lens-cap holders, hood adapters, padded case inserts and storage racks.\n- Sigma makes this lens for Sony E-mount and L-Mount; the outer diameter is the same, the L-Mount version is 2 mm shorter, and the model above uses the Sony E-mount length.\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  64 mm (2.52 in)\nLength  48.2 mm (1.9 in)\nFilter thread  55 mm\nWeight  230 g\nMount  Sony E-mount (L-Mount version also listed)\nLength, L-Mount version  46.2 mm\nWeight, L-Mount version  215 g\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Sigma: 45mm F2.8 DG DN | Contemporary - Sigma lens page (specifications) — web — Publisher's page; dimensions are facts — https://www.sigma-global.com/en/lenses/c019_45_28/\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=sigma-45mm-f2-8-dg-dn-contemporary\n",
 "sources": [
  {
   "publisher": "Sigma",
   "title": "45mm F2.8 DG DN | Contemporary - Sigma lens page (specifications)",
   "url": "https://www.sigma-global.com/en/lenses/c019_45_28/",
   "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": [
  "sigma-16-28mm-f2-8-dg-dn-contemporary",
  "sigma-14-24mm-f2-8-dg-dn-art",
  "sigma-24mm-f2-dg-dn-contemporary",
  "sigma-28-45mm-f1-8-dg-dn-art"
 ],
 "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 Sigma 45mm F2.8 DG DN Contemporary?",
   "a": "64 mm maximum diameter × 48.2 mm long (2.52 × 1.9 in)."
  },
  {
   "q": "What filter size does the Sigma 45mm F2.8 DG DN Contemporary take?",
   "a": "55 mm."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/sigma-45mm-f2-8-dg-dn-contemporary/index.md"
}