Afocal system (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Afocal system" in English language version.

refsWebsite

Global rank English rank

3^rd place

books.google.com

Malacara-Hernández, Daniel; Malacara-Hernández, Zacarías (September 21, 2003). "Handbook of Optical Design". CRC Press. p. 379 – via Google Books.
Mahajan, Virendra N. (April 6, 1998). "Optical Imaging and Aberrations: Ray geometrical optics". SPIE Press. p. 38 – via Google Books.
Kingslake, Rudolf (April 6, 1992). "Optics in Photography". SPIE Press. p. 187 – via Google Books.