Compare the structure of the eye and the structure of the camera: what do they have in common and how do they differ?

Both the eye and the camera are collecting lenses; give real, inverted, thumbnail images. Difference: the focal length of the pupil changes, while for the camera it is constant.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.