Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate
2011-08-16
2011-08-16
Dinh, Jack (Department: 2873)
Optical: systems and elements
Lens
Multiple component lenses
C359S716000, C359S786000, C359S787000, C359S788000
Reexamination Certificate
active
08000037
ABSTRACT:
Provided is an imaging lens, including, in order from an object side: a positive first lens; a second lens having a concave shape toward the object side; and (i−2) number of lens, wherein the i-th lens, which is the most image-side lens, includes: an i-th lens flat plate; and a positive or negative lens element on at least one of the opposite surfaces of the i-th lens flat plate, wherein the following conditional relationship is satisfied: 0.9>Ymax/Y>0.61, where: Ymaxis a height of the most off-axial ray on an image-side surface of the (i−1)th lens; and Y is a maximum image height.
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Fukuta Yasunari
Hirao Yusuke
Matsusaka Keiji
Dinh Jack
Konica Minolta Opto Inc.
Sidley Austin LLP
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