1977-11-04
1979-04-03
Clark, Conrad J.
G02B 1516
Patent
active
041474104
ABSTRACT:
A wide angle zoom lens system for use with a 35 mm single lens reflex camera is provided. The zoom lens system is relatively compact and includes two lens groups that can be relatively displaced along the optical axis to provide variation in focal length as desired. The first lens group has a negative refractive power and the image side second lens group has a positive refractive power. The relationship of their refractive powers has been selected to provide adequate correction of aberrations while maintaining the size, weight and compactness required in a modern zoom lens system with wide angle capability.
Horimoto Mitsuaki
Shimomura Masaichi
Clark Conrad J.
Jackson Harold L.
Jones Stanley R.
Minolta Camera Kabushiki Kaisha
Price Joseph W.
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