{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11513426","patent":{"patent_number":"US-11513426","title":"Lens apparatus, image pickup apparatus, processing apparatus, and camera apparatus","assignee":null,"inventors":[],"filing_date":"2019-09-10T00:00:00.000Z","publication_date":"2022-11-29T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":29,"abstract":"Provided is a lens apparatus attachable and removable to a camera apparatus, the lens apparatus comprising a communication device configured to transmit, to an external device, information for light amount compensation of image data obtained by image pickup in the camera apparatus, in which the information includes information of a coefficient A0 of a term of 0-th-order with respect to an image height in a polynomial of n-th-order with respect to the image height, and in which a conditional expression 0.7<A0(Z)×(Fw/F(Z))2<1.3 is satisfied where A0(Z) represents the coefficient A0 at a zoom state Z, F(Z) represents an effective F-number at the zoom state Z, and Fw represents an effective F-number at a wide angle end. "},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Lens apparatus, image pickup apparatus, processing apparatus, and camera apparatus","description":"Provided is a lens apparatus attachable and removable to a camera apparatus, the lens apparatus comprising a communication device configured to transmit, to an external device, information for light a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11513426","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-11513426","citation_suggestion":"Patentable. \"Lens apparatus, image pickup apparatus, processing apparatus, and camera apparatus\" (US-11513426). https://patentable.app/patents/US-11513426","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11513426","json":"https://patentable.app/api/llm-context/US-11513426","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:23:49.488Z"}