1986-10-16
1988-01-26
Corbin, John K.
350432, G02B 1516
Patent
active
047213710
ABSTRACT:
A variable focal length lens system comprising a first lens unit having positive refractive power, a second lens unit comprising a negative lens, and a third lens unit comprising a positive lens and arranged that the focal length of the lens system as a whole is varied from the short focal length to the long focal length by moving the first and second lens units toward the object side along the optical axis, the variable focal length lens system being arranged very compactly, i.e., arranged that the overall length of the lens system is very short and the outer diameter thereof is very small.
Corbin John K.
Kachmarik Ronald M.
Olympus Optical Co,. Ltd.
LandOfFree
Variable focal length lens system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Variable focal length lens system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable focal length lens system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1465845