JPS5220018A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Wide angle zoom lens system
Assignee: Canon Inc
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Filing: 1975-08-07
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Granted: —
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Expires: 1995-08-07
Abstract
Abstract PURPOSE: To correct various aberrations resulting from the increase of zoom ratio, particularly, distortion aberration occurring at the wide side, and aberration occurring at the tele side. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Keiji Ikemori
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-29 06:27
CPC Classifications
—
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