Yongnuo Extender EF 1.4x III Teleconverter

Yongnuo Extender EF 1.4x III Teleconverter

Yongnuo Extender EF 1.4x III Teleconverter

B&H # YOYN1.4XIII MFR # YN1.4XIII
Yongnuo Extender EF 1.4x III Teleconverter

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Product Highlights

  • EF Mount Teleconverter
  • 1.4x Magnification Factor
  • Maintains AF and AE with Select Lenses

Magnification: 1.4x

1.4x 2x
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Used from $120.00

Yongnuo YN1.4XIII overview

  • 1Description

Dedicated to select Canon EF-mount lenses, the Extender EF 1.4x III Teleconverter from Yongnuo allows you to increase the effective focal length of lenses for greater reach. The electronic design of the teleconverter permits communication between compatible lenses and camera bodies in order to support autofocus and auto-exposure, and the optical design is comprised of seven elements in three groups in order to maintain image quality.

Compatibility
The following lenses are supported with full autofocus:
  • Canon EF 135mm f/2L USM, EF 180mm f/3.5L Macro USM (AF supported from 2.6' / 80 cm to infinity), EF 200mm f/2L IS USM, EF 200mm f/2.8L II USM, EF 300mm f/2.8L IS II USM, EF 300mm f/2.8L IS USM, EF 300mm f/4L IS USM, EF 400mm f/2.8L IS II USM, EF 400mm f/2.8L IS USM, EF 400mm f/4 DO IS II USM, EF 400mm f/4 DO IS USM, EF 500mm f/4L IS II USM, EF 500mm f/4L IS USM, EF 600mm f/4L IS II USM, EF 600mm f/4L IS USM, EF 70-200mm f/2.8L IS II USM, EF 70-200mm f/4L IS USM, EF 70-200mm f/4L USM, and EF 200-400mm f/4L IS USM Extender 1.4x (without 1.4x extender in use)
The following lenses are supported only when used in conjunction with a Canon EOS-1D X, 1Ds Mark III, 1Ds Mark II, 1Ds, 1D Mark IV, 1D Mark III, 1D Mark II N, 1D Mark II, 1D, 1V/HS, 5D Mark III, or 7D Mark II camera, and the only the central AF point will be available:
  • Canon EF 400mm f/5.6L USM, EF 800mm f/5.6L IS USM, EF 100-400mm f/4.5-5.6L IS USM, EF 100-400mm f/4.5-5.6L IS II USM, and EF 200-400mm f/4L IS USM Extender 1.4x (with 1.4x extender in use)
The EF 70-200mm f/2.8L USM lens is also compatible, however only central autofocus is supported.
In the Box
Yongnuo Extender EF 1.4x III Teleconverter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Yongnuo YN1.4XIII specs

    Mount Canon EF
    Magnification 1.4x
    Optical Design 7 Elements in 3 Groups
    Light Loss 1 Stop
    Length 1.3" / 32.5 mm
    Diameter 2.8" / 72 mm
    Weight 7.1 oz / 200.0 g
    Packaging Info
    Package Weight 0.75 lb
    Box Dimensions (LxWxH) 3.8 x 3.8 x 3.7"

    Yongnuo YN1.4XIII reviews

    Extender EF 1.4x III Teleconverter is rated 3.0 out of 5 by 3.
    Rated 3 out of 5 by from I would love it...if it worked on my camera. Good build and image quality. Unfortunately, both copies that I tried interfered with the aperture setting. When used on my Canon 7D (1st gen) with a Canon 100-400 (1st gen), the lens aperture would randomly jump between wide open and whatever my setting was. This only happened when the image stabilizer was engaged. I can only use this camera/extender/lens combination wide open or without the stabilizer. This is getting returned.
    Date published: 2017-08-09
    Rated 5 out of 5 by from Works great and virtually indistinguishable from my TC I use this teleconverter with a 1DMIV and an EF 70-200mm f/2.8L IS II USM lens. My camera recognizes it perfectly, focus is fast & pictures are sharp in any mode.
    Date published: 2017-07-26
    Rated 1 out of 5 by from Not so much This extender does not work with the Canon 300m f4 IS L LENS. My copy would not even fit on the extender. Secondly it did not AUTOFOCUS on my 70-200m f4 L IS. Very erratic. YN needs to work out the bugs. I would not recommend this item. Buy the Canon Version.
    Date published: 2017-01-15
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