What lens (collecting or diffusing) is used: a) for a magnifying glass; b) in the lens of the camera; c) in the projector lens?
| October 25, 2020 | Education
In all cases, collecting. In cameras, objects are usually very far away, so the lens will give a scaled-down, upside-down, actual image. A projection apparatus produces an enlarged, upside-down, real image. Using a magnifying glass, you can get both enlarged and reduced images.
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.