Lens system and optical device having the same

Details Lens system and optical device having the same Lens system and optical device having the same

2006-01-31

2006-01-31

Schwartz, Jordan M. (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S774000, C359S785000

Reexamination Certificate

active

06992839

ABSTRACT:
A lens system has a plurality of lenses, a stop, and a diffractive surface, the entire lens system moves during focusing, and the lens system satisfies the condition of β≧0.5, where β is a maximum photographic magnification.

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