{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9678317","patent":{"patent_number":"US-9678317","title":"Zoom lens and image pickup apparatus including the same","assignee":null,"inventors":[],"filing_date":"2015-06-08T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":8,"abstract":"A zoom lens including, in order from an object side: a positive first lens unit not moving for zooming; a negative second lens unit moving during zooming; a negative third lens unit moving during zooming; and a fourth lens unit not moving for zooming and including an aperture stop, the fourth lens unit including first and second sub-lens units arranged on object side and image plane side of the aperture stop, respectively, in which a relationship between a maximum height of an axial ray from an optical axis in the first sub-lens unit when focusing at infinity at a wide angle end, and a maximum height of an axial ray at the aperture stop when focusing at infinity at the wide angle end and of full open aperture, and a lateral magnification of the fourth lens unit when focusing at infinity at the wide angle end are appropriately set."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Zoom lens and image pickup apparatus including the same","description":"A zoom lens including, in order from an object side: a positive first lens unit not moving for zooming; a negative second lens unit moving during zooming; a negative third lens unit moving during zoom","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9678317","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9678317","citation_suggestion":"Patentable. \"Zoom lens and image pickup apparatus including the same\" (US-9678317). https://patentable.app/patents/US-9678317","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9678317","json":"https://patentable.app/api/llm-context/US-9678317","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:18:23.449Z"}