Reverse telephoto lens

Details Reverse telephoto lens Reverse telephoto lens

1996-04-12

1997-12-30

Sugarman, Scott J.

Optical: systems and elements

Lens

Reverse telephoto

359714, 359715, G02B 1304, G02B 1318

Patent

active

057037264

ABSTRACT:
A reverse telephoto lens includes a front negative group of lens components having a front component with greater than normal separation from a rear positive group of lens elements. Preferably, the front negative group also includes a rear positive component that is meniscus concave to the front.

REFERENCES:
patent: 2341385 (1944-02-01), Kingslake et al.
patent: 2821112 (1958-01-01), Lautenbacher et al.
patent: 3369853 (1968-02-01), Tolle
patent: 3731989 (1973-05-01), Shimizu
patent: 3734600 (1973-05-01), Shimizu
patent: 4257678 (1981-03-01), Moniyama et al.
patent: 4333714 (1982-06-01), Kreitzer
patent: 4421390 (1983-12-01), Amano
patent: 5218480 (1993-06-01), Moskovich

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