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Porro prism (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Porro prism" in English language version.

refsWebsite
Global rank English rank
3arizona.edu
1,592nd place
1,119th place
2binoculars-cinecollectors.com
low place
low place
2nimax-img.de
low place
low place
2optics-trade.eu
low place
low place
1patents.google.com
1,182nd place
725th place
1skyandtelescope.org
low place
low place
1books.google.com
3rd place
3rd place
1ronspomeroutdoors.com
low place
low place

arizona.edu

wp.optics.arizona.edu

binoculars-cinecollectors.com

books.google.com

  • Thompson, Robert Bruce; Thompson, Barbara Fritchman (2005-06-24). Astronomy Hacks, chapter 1, page 34. "O'Reilly Media, Inc.". ISBN 9780596100605. Retrieved 2009-11-03.

nimax-img.de

optics-trade.eu

patents.google.com

ronspomeroutdoors.com

skyandtelescope.org