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Research dossier · General Reference

Pentax D FA 150-450mm lens

photographic lens

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 8, 2026
Entity authorityQ19903046 ↗
Source-derived summary

The HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW is a super-telezoom lens for Pentax K-mount. Optically, it features extra-low dispersion (ED) elements as well as HD, SP (Super Protect), and Bright Aero coatings. It is weather sealed and supports quick shifts.

Editorial summary

This brief starts where responsible research should: with the source description of “Pentax D FA 150-450mm lens” as photographic lens. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current 42-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. The account is most persuasive where Pentax, 150-450mm and lens can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as photographic lens. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 8, 2026. The linked authority identifier is Q19903046. None of the 0 selected statements returned an explicit reference.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Pentax D FA 150-450mm lens”, its source revision and the description used here.
  2. Expand the search: follow Pentax D FA 150-450mm lens primary sources, Pentax D FA 150-450mm lens archive and Pentax research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Pentax D FA 150-450mm lens”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which cited source is closest to the event, object or claim?
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Source & attribution

This entry incorporates text from “Pentax D FA 150-450mm lens” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.