{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9716829","patent":{"patent_number":"US-9716829","title":"Zoom lenses and image pickup apparatus including the zoom lenses","assignee":null,"inventors":[],"filing_date":"2015-12-04T00:00:00.000Z","publication_date":"2017-07-25T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":9,"abstract":"A zoom lens include, from an object side, a first magnification-varying group, an aperture stop and a second magnification-varying group, the first magnification-varying group including: a positive first lens unit configured not to move for zooming; a negative second lens unit configured to move during zooming; and one or more magnification-varying lens units configured to move during zooming, the magnification-varying lens units having a positive combined refractive power, the second magnification-varying group including: a negative first sub lens unit configured not to move for zooming; a negative second sub lens unit configured to move during zooming; and a positive third sub lens unit, the second magnification-varying group moving the second sub lens unit to the image side to displace a focal length range of the entire system toward a long focal length side."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Zoom lenses and image pickup apparatus including the zoom lenses","description":"A zoom lens include, from an object side, a first magnification-varying group, an aperture stop and a second magnification-varying group, the first magnification-varying group including: a positive fi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9716829","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-9716829","citation_suggestion":"Patentable. \"Zoom lenses and image pickup apparatus including the zoom lenses\" (US-9716829). https://patentable.app/patents/US-9716829","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9716829","json":"https://patentable.app/api/llm-context/US-9716829","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:17:03.978Z"}