Canon Canon Extensions Tubes

Canon EF12 II Extension Tube

Essentially, the Canon EF12 II Extension Tube Shortens the focusing distance of the lens.


What are other benefits of the Canon Lens Extension?

  • It's compatible with digital EF-S lenses, as well as EF and TS-E lenses.
  • The 12mm EF 12 II is often used with wide-angle lenses, while the longer EF 25 II is a better choice for normal or telephoto lenses. Auto exposure continues to work reliably, but manual focus is recommended in most instances.
  • White-index mark provided for digital SLR EF-S lenses. Red mark provided for photo lenses.




Canon EF25 II Extension Tube

Extension tubes are one method of getting closer with EF lenses.