| 摘要 |
1,065,906. Photographic objectives. EASTMAN KODAK CO. Dec. 9, 1965 [Dec. 14, 1964], No. 52326/65. Heading G2J. An objective suitable for placing at the rear of a diaphragm 4 consists of a double convex element 1, a double concave element 2 and a double convex element 3 wherein: - Optical data are given for the example shown. |
