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Patent Searching and Data


Title:
NEAR DISTANCE CORRECTING LENS PROVIDED WITH ANTIVIBRATION FUNCTION
Document Type and Number:
Japanese Patent JPH08201692
Kind Code:
A
Abstract:

PURPOSE: To provide a short distance correcting lens suitable for photographic and video use, etc.

CONSTITUTION: In a short distance correcting lens comprising, in order from the object side, a first lens group G1 having a positive refractive power, a second lens group G2 having a positive refractive power and a final lens group GL having a negative refractive power closest to the image side, moving the first lens group G1 and the second lens group G2 to the object side at the time of focusing from infinity to a short distance and satisfying 0.25<βM where βM is a photographing magnification at the shortest photographing distance; this lens is provided with a displacing means 1 for preventing vibration by moving a partial lens group GLP having a positive refractive power in the final lens group GL in the direction almost orthogonal to the optical axis.


Inventors:
SUZUKI KENZABURO
Application Number:
JP3154595A
Publication Date:
August 09, 1996
Filing Date:
January 27, 1995
Export Citation:
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Assignee:
NIKON CORP
International Classes:
G02B15/16; G02B9/64; G02B27/64; (IPC1-7): G02B15/16; G02B27/64
Attorney, Agent or Firm:
Takao Yamaguchi