{
 "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": "canon-rf-50mm-f1-8-stm",
 "name": "Canon RF50mm F1.8 STM lens",
 "kind": "modern",
 "category": "Electronics",
 "group": "Canon RF lenses",
 "year": null,
 "question": "What are the dimensions of the Canon RF50mm F1.8 STM?",
 "tags": [
  "canon rf lenses",
  "lens"
 ],
 "aliases": [
  "Canon nifty fifty RF dimensions",
  "Canon RF50mm F1.8 STM dimensions",
  "Canon RF50mm F1.8 STM size",
  "Canon RF50mm F1.8 STM length",
  "Canon RF50mm F1.8 STM diameter",
  "Canon RF50mm F1.8 STM filter size",
  "Canon RF50mm F1.8 STM weight",
  "how long is the Canon RF50mm F1.8 STM",
  "Canon RF50mm F1.8 STM lens cap size",
  "dimensiones Canon RF50mm F1.8 STM",
  "medidas Canon RF50mm F1.8 STM",
  "Canon RF50mm F1.8 STM Abmessungen"
 ],
 "overall_mm": {
  "length": 69.2,
  "width": 69.2,
  "height": 40.5
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/canon-rf-50mm-f1-8-stm/",
 "sheet_txt": "https://xemstudio.com/objects/canon-rf-50mm-f1-8-stm/sheet.txt",
 "sheet": {
  "basis": "Manufacturer specifications (Canon Camera Museum (Canon Inc.))",
  "overall_mm": {
   "length": 69.2,
   "width": 69.2,
   "height": 40.5
  },
  "notes": [
   "Canon RF50mm F1.8 STM lens measures 69.2 mm in diameter and 40.5 mm long (2.72 × 1.59 in) per Canon Camera Museum (Canon Inc.)'s specifications.",
   "Filter thread is 43 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",
     "69.2 mm (2.72 in)"
    ],
    [
     "Length",
     "40.5 mm (1.59 in)"
    ],
    [
     "Filter thread",
     "43 mm"
    ],
    [
     "Weight",
     "approx. 160 g"
    ],
    [
     "Mount",
     "Canon RF"
    ],
    [
     "Length state",
     "retracted (Canon Europe)"
    ]
   ]
  }
 },
 "sheet_text": "Canon RF50mm F1.8 STM lens — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/canon-rf-50mm-f1-8-stm/  (sheet CC BY 4.0)\nBasis: Manufacturer specifications (Canon Camera Museum (Canon Inc.))\nCatalog version: 2026-10-20\n\nOverall (mm): length 69.2, width 69.2, height 40.5\n- Canon RF50mm F1.8 STM lens measures 69.2 mm in diameter and 40.5 mm long (2.72 × 1.59 in) per Canon Camera Museum (Canon Inc.)'s specifications.\n- Filter thread is 43 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  69.2 mm (2.72 in)\nLength  40.5 mm (1.59 in)\nFilter thread  43 mm\nWeight  approx. 160 g\nMount  Canon RF\nLength state  retracted (Canon Europe)\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Canon Camera Museum (Canon Inc.): RF50mm F1.8 STM - Canon Camera Museum — web — Publisher's page; dimensions are facts — https://global.canon/en/c-museum/product/rf498.html\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=canon-rf-50mm-f1-8-stm\n",
 "sources": [
  {
   "publisher": "Canon Camera Museum (Canon Inc.)",
   "title": "RF50mm F1.8 STM - Canon Camera Museum",
   "url": "https://global.canon/en/c-museum/product/rf498.html",
   "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": [
  "camera-thread-bosses-1-4-20",
  "canon-rf-14-35mm-f4-l-is-usm",
  "canon-rf-15-35mm-f2-8-l-is-usm",
  "canon-rf-24-70mm-f2-8-l-is-usm",
  "canon-rf-24-105mm-f4-l-is-usm"
 ],
 "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 Canon RF50mm F1.8 STM?",
   "a": "69.2 mm maximum diameter × 40.5 mm long (2.72 × 1.59 in)."
  },
  {
   "q": "What filter size does the Canon RF50mm F1.8 STM take?",
   "a": "43 mm."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/canon-rf-50mm-f1-8-stm/index.md"
}