Choose the best alternative as the answer for the statement from Q.81 in image_146f63.png:
"A camera always has"

To solve this type of question, we must identify the component that is absolutely indispensable for the existence or basic functioning of the object:
* Lens: A camera is fundamentally an optical instrument designed to capture images. Without a lens, light cannot be focused to form an image on the sensor or film, making it impossible for the camera to function. Therefore, a lens is an essential part of every camera.
* Reels: Reels (or film rolls) are only used in traditional analog cameras; modern digital cameras do not use them.
* Flash: A flash is an optional accessory used for illumination in low-light conditions, but a camera can function perfectly without it.
* Stand: A tripod or stand is an external accessory used to stabilize the camera, but it is not a part required for the camera to operate.

Hence, a camera always has a lens.