The invention provides an interior mirror lens, which includes: a body, which has a light transmission part for the external light to penetrate and transmit to the interior of the body； a lens, which is installed in the body； an image sensor, which is installed in the body, and the lens is located between the image sensor and the light transmission part, and the lens is the light to be injected from the light transmission part Refracts and images the image sensor； and an adjustment structure is arranged on the body.The user can change the distance between the image sensor and the lens through the adjustment structure, so as to change the focal length and make the image received by the image sensor clear.本創作提供一種內視鏡鏡頭，其包括：一本體，其係具有一透光部，供以使外部光線穿透並傳遞至該本體內部；一透鏡，其係裝設於該本體內；一影像感測器，其係裝設於該本體內，且該透鏡係位於該影像感測器與該透光部之間，該透鏡係將從該透光部射入之光線折射並成像於該影像感測器；及一調整結構，其係設於該本體。使用者可透過該調整結構變更該影像感測器和該透鏡之距離，以改變焦距，進而使該影像感測器所接收到之影像清晰化。
