Retrofocus lens system
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United States of America Patent
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-
Apr 28, 1998
Grant Date -
N/A
app pub date -
Jul 11, 1996
filing date -
Jul 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A retrofocus lens system comprises, in order from a large conjugate side: a first lens group having a negative refracting power and including a plurality of lens elements; a second lens group having a positive refracting power; and a third lens group having a positive refracting power. Each of the lens elements of the first lens group has a negative refracting power. Following conditional expressions (1) to (3) are satisfied: 1.3
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