What points are called the main focuses: a) collecting lens; b) a diffusing lens?
| October 25, 2020 | Education
The main focus of the collecting lens is the point on the main optical axis at which all rays are collected, falling on the collecting lens parallel to its main optical axis. The main focus of a scattering lens is a point on the main optical axis at which the extensions of rays incident on the scattering lens parallel to its main optical axis are collected.
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