{
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  "docId": "10.5594-J02588",
  "document": {
    "abbrevTitle": "J SMPTE",
    "abbrevTitle$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "abstract": "Two important requirements make HDTV lenses different from present television lenses. First, the picture is wider, and although the image may be scanned over the same sensor diagonal, the 16:9 aspect ratio makes it necessary to correct distortion better. Second, the quality of HDTV has to be twice as good; the same modulation transfer function (MTF) must be maintained, although the spatial frequency is twice as high. Although this level of performance is not, in fact, new to the optical designer who has already been involved with photography or motion pictures, his task is considerably more difficult because of the following constraints: (1) good camera sensitivity requires high aperture optics; (2) operational requirements dictate long zoom ranges; and (3) a beam-splitting prism is located between the lens and the sensors. This article explores in some detail what is needed and what can be done in order that the lens does not limit the performance of the HDTV system.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "articleType": "research-article",
    "articleType$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "authors": [
      "Bernard Angenieux",
      "Gerard Corbasson"
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
      "holder$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
        "source": "parsed",
        "updated": "2026-05-22T18:56:53.245Z",
        "version": "smpte-journal-article-nlm@v1"
      },
      "year": "1990",
      "year$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
        "source": "parsed",
        "updated": "2026-05-22T18:56:53.245Z",
        "version": "smpte-journal-article-nlm@v1"
      }
    },
    "copyright$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "docId": "10.5594-J02588",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from DOI 10.5594/J02588",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "docLabel": "SMPTE Journal ( Volume: 99, Issue: 9, September 1990)",
    "docLabel$meta": {
      "confidence": "medium",
      "note": "Composed from journal title, volume, issue and date",
      "source": "inferred",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "docTitle": "From 525/625 TV Lines to HDTV: The Evolution of Optical Requirements for TV Cameras",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "docType": "Journal Article",
    "docType$meta": {
      "confidence": "high",
      "note": "NLM <article> — SMPTE journal paper",
      "source": "inferred",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "doi": "10.5594/J02588",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "href": "https://doi.org/10.5594/J02588",
    "href$meta": {
      "confidence": "high",
      "note": "Constructed from DOI 10.5594/J02588",
      "source": "inferred",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "issn": {
      "print": "0036-1682",
      "print$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
        "source": "parsed",
        "updated": "2026-05-22T18:56:53.245Z",
        "version": "smpte-journal-article-nlm@v1"
      }
    },
    "issn$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "journalAcronym": "MIJR",
    "journalAcronym$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08202015 BACKFILE JOURNAL FRESH/smptej_99_9/MIJR15Vol99No9.xml)",
      "source": "parsed",
      "updated": "2026-06-16T00:32:03.060Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "number": "9",
    "number$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "pages": "734–738",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "publicationDate": "1990-09-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Day absent in NLM source — padded to 01",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "publisher": "SMPTE",
    "publisher$meta": {
      "confidence": "high",
      "note": "Normalised to registry \"SMPTE\" convention from NLM publisher-name (The Society of Motion Picture and Television Engineers)",
      "source": "inferred",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "publisherLocation": {
      "city": "White Plains, NY",
      "city$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
        "source": "parsed",
        "updated": "2026-05-22T18:56:53.245Z",
        "version": "smpte-journal-article-nlm@v1"
      },
      "country": "USA",
      "country$meta": {
        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08202015 BACKFILE JOURNAL FRESH/smptej_99_9/MIJR15Vol99No9.xml)",
        "source": "parsed",
        "updated": "2026-06-16T00:32:03.060Z",
        "version": "smpte-journal-issue-xml@v1"
      }
    },
    "publisherLocation$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "medium",
        "note": "No explicit status in NLM source — journal articles default active",
        "source": "inferred",
        "updated": "2026-05-22T18:56:53.245Z",
        "version": "smpte-journal-article-nlm@v1"
      }
    },
    "volume": "99",
    "volume$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J02588.xml)",
      "source": "parsed",
      "updated": "2026-05-22T18:56:53.245Z",
      "version": "smpte-journal-article-nlm@v1"
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}