Are flat lenses possible?
| September 21, 2020 | Education
The objective can be a plane-parallel transparent solid plate on which opaque rings are applied, which together with the transparent gaps form a system of Fresnel zones.
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.