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23017 1/5/2007
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(From company literature) Canon EF-12 II 12mm Extension Tube. Redesigned to accommodate EF-S mount lenses and their extended rear elements. Compatible with all previous EF and TS-E lenses, and every EOS film or Digital SLR. The white mount index is for EF-S lenses while the red index is for use with EF and TS-E lenses.

For detailed lens compatibility, AF operation and reproduction ratios, see:


  • Extension: 12mm
  • Dimensions (Length x Width): 12.7mm x 67mm / 0.5 in. x 2.64 in.
  • Weight: 65g / 2.3 oz
  • Notes: Includes dust caps

Keywords: Canon Extension-Tube


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