Patent ID: 7190533

Claim:
A lens apparatus comprising: a plurality of lens units constituting an image-forming optical system that forms an object image; and a plurality of lens-holding members holding the plurality of lens units, respectively, wherein each lens unit and each lens-holding member are unitized to form a lens-holding unit, the lens apparatus including a plurality of lens-holding units, and the lens apparatus is formed by joining each of the plurality of lens-holding members to at least one of the other lens-holding members, the joined lens-holding members being fixed in the lens apparatus, wherein the plurality of lens units include first, second, third and fourth lens units, in order from an object side to an image side, and wherein the first lens unit is a fixed lens unit, the second lens unit is a magnification-varying lens unit, the third lens unit is an image-stabilizing lens unit, and the fourth lens unit is a focus lens unit.