電子撮像装置

Japanese Patent JP4540261

B2

PROBLEM TO BE SOLVED: To thoroughly thin an electronic imaging device, having a zoom lens by selecting a zoom system which has stable high image-forming performance, ranging from infinity to a short distance. SOLUTION: This electronic imaging device is provided with the zoom lens provided with a 1st negative group G1 nearest to the object side, consisting of four or more groups G1 to G4, set so that the spaces between the groups from the 1st one to the 4th one from the object side are changed in the middle of varying power; and the group G4 nearest to an image side is fixed and consists of one positive aspherical single lens, and is provided with an aperture diaphragm integrally moving with the 2nd group G2 at the time of varying power, and satisfying the condition: (1), 1.5