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

Canon Cameras
KEH Model# 212434
Grade Notes Price Qty
With Caps
$115.00

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

Details

The Canon 1.4X EF Extender is a professional grade teleconverter designed exclusively for use with select Canon brand L-Series lenses (focal lengths over 135mm).  Increasing the lens focal length by a factor of 1.4 times, Extender EF 1.4X incorporates incorporates careful lens placement and anti-reflective coatings for high quality optical performance.  The converter also features a built-in microcomputer for seamless communication between camera body, lens, and extender.  Extender EF 1.4X maintains high standards not only optically, but also in terms of the rugged construction pros expect.  Often an integral part of a professional's kit, Extender EF 1.4X is a very practical complement to compatible* telephoto lenses.

Originally Introduced in 1988, the 1.4X EF Extender has been a staple among Canon Pros ever since.  In 2001 Canon released a 1.4X EF Extender II that features some weather sealing.

Key Features

  • High quality optics, 5 elements in 4 groups
  • Multiplies focal length by 1.4X
  • Reduces effective maximum aperture by one f/stop
  • EF Mount but only accepts select Professional L-Series lenses
  • Less cumbersome than carrying another large lens

Compatible* Lenses include:

  • EF 70-200mm f/2.8L USM
  • EF 70-200mm f/2.8L IS USM
  • EF 70-200mm f/2.8L IS II USM
  • EF 70-200mm f/4L USM
  • EF 70-200mm f/4L IS USM
  • EF 100-400mm f/4.5-5.6L IS USM
  • EF 100-400mm f/4.5-5.6L IS II USM
  • EF 135mm f/2L USM
  • EF 180mm f/3.5L Macro USM
  • EF 200mm f/1.8L USM
  • EF 200mm f/2.8L USM
  • EF 200mm f/2.8L II USM
  • EF 200mm f/2L IS USM
  • EF 300mm f/2.8L USM
  • EF 300mm f/2.8L IS USM
  • EF 300mm f/2.8L IS II USM
  • EF 300mm f/4L USM
  • EF 300mm f/4L IS USM
  • EF 400mm f/2.8L USM
  • EF 400mm f/2.8L II USM
  • EF 400mm f/2.8L IS USM
  • EF 400mm f/2.8L IS II USM
  • EF 400mm f/4 DO IS USM
  • EF 400mm f/4 DO IS USM II
  • EF 400mm f/5.6L USM
  • EF 500mm f/4.5L USM
  • EF 500mm f/4L IS USM
  • EF 500mm f/4L IS II USM
  • EF 600mm f/4L USM
  • EF 600mm f/4L II USM
  • EF 600mm f/4L IS USM
  • EF 600mm f/4L IS II USM
  • EF 800mm f/5.6L IS USM

*Compatibility Note: if the effective maximum aperture of the converter and lens combination exceeds the capabilities of your cameras's AF system then autofocus will not be possible.

KEH Specifications

Extender EF 1.4X. High-performance teleconverter compatible with 135mm or longer single focal length lenses and the EF 70-210mm F2.8 USM and EF 100-400mm F4.5-5.6L IS USM. It increases the focal lenght by 1.4X. Its 5 elements in 4 groups suppress aberations and preserve the prime lens' optical performance. With the Extender attached, the maximum aperture of the prime lens decreases by only one stop. Autofocusing is enabled with prime lenses having a maximum aperture of F4* or larger. When used with the EOS-3, autofocusing is possible at the center focusing point up to F5.6 with the EF 1.4X (excluding the EF 180mm F3.5L Macro USM).

Specifications

General information

Manufacturer Part Number C54-3801
Manufacture GTIN 082966543234
Brand Name Canon

Physical Characteristics

Lens Mount Canon EF