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  "docId": "SMPTE.ST243.1993",
  "document": {
    "abstract": "(1.1) This standard specifies the lens markings, focal length tolerances, mounting diameters, mechanical factors in mounting additional lens adaptors to lenses, and the preferred value steps in focal lengths for lenses used in 35- and 70-mm motion-picture projectors. (Focal length referred to in this standard is the equivalent focal length, commonly known as EFL.) (1.2) This standard also specifies the limiting or maximum available space for projector lens mounts where lenses of varying focal lengths and designs and attachments thereto are used.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "approvalDate": "1993-03-22",
    "approvalDate$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
      "holder$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.829Z"
      },
      "year": "1993",
      "year$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.829Z"
      }
    },
    "copyright$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "docId": "SMPTE.ST243.1993",
    "docId$meta": {
      "confidence": "high",
      "note": "Calculated from parsed/inferred metadata",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "docLabel": "SMPTE ST 243:1993",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from parsed/inferred typenumber/number/date",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "docNumber": "243",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubNumber meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "docSuiteTitle": "Motion-Picture Equipment",
    "docSuiteTitle$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubSuiteTitle meta tag, or derived from wrapper title for PDF releases",
      "originalValue": null,
      "source": "parsed",
      "updated": "2025-12-12T21:23:29.324Z",
      "version": "extractDocs.js@commit:e5213a0e988e"
    },
    "docTitle": "35- and 70-mm Projection Lenses and Mounts",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubTitle, or derived from wrapper title for PDF releases",
      "originalValue": "Motion-Picture Equipment - 35- and 70-mm Projection Lenses and Mounts",
      "overridden": true,
      "source": "parsed",
      "updated": "2025-12-12T21:23:29.324Z",
      "version": "extractDocs.js@commit:e5213a0e988e"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Publication type parsed from HTML",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "doi": "10.5594/SMPTE.ST243.1993",
    "doi$meta": {
      "confidence": "medium",
      "note": "Constructed from parsed/inferred type/date",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "familyId": "243",
    "familyId$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "group": "smpte-20f-tc",
    "group$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "href": "https://doi.org/10.5594/SMPTE.ST243.1993",
    "href$meta": {
      "confidence": "high",
      "note": "URL generated and verified via redirect resolution",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "icsCodes": [
      {
        "code": "37.060.01",
        "description": "Cinematography in general"
      },
      {
        "code": "37.060.10",
        "description": "Motion picture equipment"
      }
    ],
    "icsCodes$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "isbn": "978-1-61482-392-6",
    "isbn$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "keywords": [
      "Film",
      "Projection",
      "35mm",
      "Dimension",
      "Projector",
      "70mm",
      "Lens"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "numberOfPages": "3",
    "numberOfPages$meta": {
      "confidence": "high",
      "note": "Cross-filled from Zoho standards export (_source/SMPTE/Zoho/SMPTE Standards Document Zoho Export 2026-05-21.json)",
      "source": "parsed",
      "updated": "2026-06-15T20:12:21.844Z",
      "version": "smpte-zoho-standards@v1"
    },
    "pages": "1–3",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "productNumber": "SSD001393",
    "productNumber$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "publicationDate": "1993-03-22",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubDateTime meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "publisher": "SMPTE",
    "publisher$meta": {
      "confidence": "high",
      "note": "Parsed from HTML publisher meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "publisherLocation": {
      "city": "White Plains, NY",
      "city$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.829Z"
      },
      "country": "USA",
      "country$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.829Z"
      }
    },
    "publisherLocation$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "releaseTag": "19930322-pub",
    "releaseTag$meta": {
      "confidence": "high",
      "note": "Release tag parsed from URL folder structure",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st243/19930322-pub/",
      "updated": "2025-10-12T23:28:34.536Z"
    },
    "resolvedHref": "https://pub.smpte.org/doc/st243/19930322-pub/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": "https://my.smpte.org/s/product-details?id=a1BVR0000007Nec",
      "overridden": true,
      "source": "resolved",
      "updated": "2025-10-30T22:51:16.879Z",
      "version": "extractDocs.js@commit:ee2844fb1cf2"
    },
    "standardId": "20638",
    "standardId$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_st-243-1993_1/st0243-1993.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.829Z"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s) and other status values",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-12T23:28:34.536Z"
      },
      "amended": false,
      "amended$meta": {
        "confidence": "high",
        "note": "Parsed from wrapper #amendments",
        "originalValue": null,
        "source": "parsed",
        "updated": "2025-10-12T23:28:34.536Z"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-12T23:28:34.536Z"
      },
      "reaffirmDate": "2012-11-03",
      "reaffirmDate$meta": {
        "confidence": "high",
        "note": "Cross-filled from Zoho standards export (_source/SMPTE/Zoho/SMPTE Standards Document Zoho Export 2026-05-21.json)",
        "source": "parsed",
        "updated": "2026-06-15T20:13:55.508Z",
        "version": "smpte-zoho-standards@v1"
      },
      "stabilized": true,
      "stabilized$meta": {
        "confidence": "high",
        "note": "Parsed from wrapper #state",
        "originalValue": null,
        "source": "parsed",
        "updated": "2025-10-12T23:28:34.536Z"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-12T23:28:34.536Z"
      }
    }
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}