What surfaces are called focal surfaces? What is the shape of the focal surfaces of thin lenses, how are they located?
| October 25, 2020 | Education
Focal planes are planes perpendicular to the main optical axis and passing through the focus of the lens.
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.