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Canon 1.4X EF Extender III Teleconverter (L Series Tele/Zoom Lenses)

KEH Model# 353844

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* Item pictured for illustrative purposes only, actual item not pictured. See 'Notes' next to grade for included items.

Canon 1.4X EF Extender III Teleconverter (L Series Tele/Zoom Lenses) Description


Canon EF 4409B002 Teleconverter Lens - 1.40x Magnification - Lens

Extending a lenses focal length by a factor of 1.4x, Extender EF 1.4X III incorporates phenomenal optical performance with minimal chromatic aberration and is a perfect complement to many of Canon super telephoto lenses. It features a built-in microcomputer for seamless communication among camera body, lens and extender; features careful lens placement and coatings to minimize ghosting and flare and even has a new Fluorine coating that keeps soiling, smears and fingerprints to a minimum. An integral part of many professional systems, Extender EF 1.4X III maintains high standards not only optically, but also in terms of rugged, dustproof and water resistant construction.

KEH Specifications

  • Brand: Canon
  • Magnification: 1.4x
  • Light Loss: 1 f/stop
  • Elements/Groups: 7/3
  • Dimensions: 1.1" x 2.8" / 27.2 x 72mm
  • Weight: 7.9 oz. / 225 g
  • Manufacturer's Model #: 4409B002


General information

Manufacturer Part Number 4409B002
Manufacture GTIN 0013803122145
Brand Name Canon
Product information
Lens Construction
7 Elements in 3 Groups
Product Model
Product Line

Canon SLR Lenses:

  • L Series
  • EF 70-200/2.8L
  • EF 70-200/2.8L IS
  • EF 70-200/4L
  • EF 100-400/4.5-5.6L
  • Lens

Physical Characteristics

Lens Mount Canon EF