Patent ID: 9386205
Filing Date: 2016-07-05
CPC Classification: G02B,H04N

Claim Text:
1. An optical apparatus comprising: an image sensor configured to photoelectrically convert an optical image of an object formed by an image pickup optical system; a heat sink configured to radiate heat generated by the image sensor; a holder unit configured to hold the image sensor and the heat sink; and a first lens barrel including a hollow portion configured to guide light from the image pickup optical system to the image sensor, the first lens barrel housing the holder unit movably in the hollow portion in an optical axis direction of the image pickup optical system, wherein the holder unit includes a first inlet for taking external air into the heat sink and a first outlet for exhausting the external air taken in through the first inlet, wherein the first lens barrel includes a second inlet for taking in the external air and a second outlet for exhausting the external air taken in through the second inlet, and the first inlet is connected to the second inlet and the first outlet is connected to the second outlet when the holder unit is positioned in the hollow portion of the first lens barrel.