Telephoto lens

Details Telephoto lens Telephoto lens

1996-06-14

1998-06-09

Font, Frank G.

Optical: systems and elements

Lens

Telephoto

359745, 359795, G02B 1302, G02B 904

Patent

active

057644250

ABSTRACT:
A telephoto lens includes, in the following order from the object side, a positive cemented lens component composed of a biconvex lens and a biconcave lens and having a meniscus shape as a whole with the convex side facing the object side, and a negative meniscus lens component with the convex side facing the image side.

REFERENCES:
patent: 1467804 (1923-09-01), Merte et al.
patent: 1480929 (1924-01-01), Booth
patent: 1573999 (1926-02-01), Richter
patent: 1897896 (1933-02-01), Frederick et al.
patent: 2231699 (1941-02-01), Bennett
patent: 2327759 (1943-08-01), Bennett
patent: 2346312 (1944-04-01), Kastilan
patent: 2390387 (1945-12-01), Rayton et al.
patent: 2421927 (1947-06-01), Cox
patent: 2769371 (1956-11-01), Gilkeson
patent: 2810322 (1957-10-01), Tronnier
patent: 3247764 (1966-04-01), Rickless et al.

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