4 ms·
That does not work at all and just confused me. The angles must change on the interrupted parts to follow the general curve of the lens' surface. https://commo
by anc84 7y ago
That does not work at all and just confused me. The angles must change on the interrupted parts to follow the general curve of the lens' surface.
https://commons.wikimedia.org/wiki/File:Fresnel_lens.svg https://commons.wikimedia.org/wiki/File:Fresnel_lens.svg is a very good illustration.
- crottypeter 7y agoAs a counterpoint the GPs diagram was useful for me (perhaps because I have a background involving some study of optics). Granted the parents picture is way better than the rough ASCIIart