Patent ID: 8643956

Claim:
A lens apparatus comprising: a fixed lens barrel having a straight groove and a contact; a cam ring provided inside the fixed lens barrel, the cam ring having a cam groove; a plurality of lens units; and a first holding unit holding the plurality of lens units the first holding unit being supported movably in an the optical-axis direction inside the cam ring, and the first holding unit holding at least one of the plurality of lens units movably in the optical-axis direction in the first holding unit, wherein the first holding unit comprises: a driver that drives the at least one of the plurality of lens units in the optical-axis direction; a plurality of cam followers, slidably engaged with the cam groove and the straight groove; and a slide connecting portion electrically connecting to the contact in a slidable manner through the cam groove of the cam ring in a radial direction, wherein the driver is fed with power from the fixed lens barrel side through the slide connecting portion.