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Canon EF 1.4x Extender II (Teleconverter)

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The Canon 1.4x extender (also known as a teleconverter) will multiply the focal length of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300mm lens will effectively increase the focal length to approximately 420mm. A lens set to f/2.8 will now be f/4.

Teleconverters are best used with longer telephoto lenses and are not recommended for lenses wider than 50mm, e.g. 28-105mm (35mm format

Rental Package Includes: Extender, front & rear body caps and lens pouch where applicable

Please Note: The Canon 1.4x will not fit on wide angle zooms, standard zooms, wide angle primes or many third-party lenses. In some cases your camera may also be incompatible.


  • f-number decreases by one stop
  • 1.4x magnification
  • 5/4 Lens Elements /Groups
  • Length 1.1” (27.2mm)
  • Diameter 2.9” (72.8mm)
  • Weight: 7.8oz

Note: Autofocus will work only if the effective aperture is within the range of the camera (currently f/8 with most EOS cameras).

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