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Extension tube (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Extension tube" in English language version.

refsWebsite
Global rank English rank
2archive.org
6th place
6th place
1cambridgeincolour.com
low place
low place
1web.archive.org
1st place
1st place

archive.org

  • Schranz, Paul Robert (1993). "Extension tubes". In Stroebel, Leslie; Zakia, Richard (eds.). The Focal Encyclopedia of Photography (Third ed.). Boston: Focal Press. p. 293. ISBN 0-240-80059-1. Retrieved 31 July 2021.
  • Ray, Sidney F. (1993). "Closeup Bellows/Tube". In Stroebel, Leslie; Zakia, Richard (eds.). The Focal Encyclopedia of Photography (Third ed.). Boston: Focal Press. p. 103. ISBN 0-240-80059-1. Retrieved 31 July 2021.

cambridgeincolour.com

  • McHugh, Sean. "Macro Extension Tubes & Close-up Lenses". CambridgeInColour.com. Archived from the original on 5 July 2021. Retrieved 31 July 2021.

web.archive.org

  • McHugh, Sean. "Macro Extension Tubes & Close-up Lenses". CambridgeInColour.com. Archived from the original on 5 July 2021. Retrieved 31 July 2021.