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doublet

type of lens made up of two simple lenses paired together
Thing general Q598671
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doublet

Summary

doublet ranks in the top 2% of general entities by monthly Wikipedia readership (25 views/month).[1]

Key Facts

  • doublet's subclass of is recorded as lens[2].
  • doublet's Freebase ID is recorded as /m/067v6j[3].
  • doublet's Google Knowledge Graph ID is recorded as /g/122qx_m7[4].
  • doublet's Encyclopædia Universalis ID is recorded as doublet-optique[5].

Why It Matters

doublet ranks in the top 2% of general entities by monthly Wikipedia readership (25 views/month).[1] doublet has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[6]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). doublet. Retrieved April 10, 2026, from https://4ort.xyz/entity/doublet-q598671
MLA “doublet.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/doublet-q598671.
BibTeX @misc{4ortxyz_doublet-q598671_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{doublet}}, year = {2026}, url = {https://4ort.xyz/entity/doublet-q598671}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): doublet — https://4ort.xyz/entity/doublet-q598671 (retrieved 2026-04-10)

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