Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens
Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens left
Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens
Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens
Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens
Canon

Canon EF 200-400mm f/4L IS USM Extender 1.4x

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Key specs

  • 25
  • 20
  • Internal
  • yes
  • Telephoto
  • Full-frame (35mm)
  • 200, 400 mm
  • yes
Go to full specs
Colors

Canon EF 200-400mm f/4L IS USM Extender 1.4x Full Specifications

Image properties

Full-frame
200, 400
0.15
yesyes

Aperture

4
32
9

Optics

Zoom
25
20
Fluorite element, Ultra-Low dispersion glass element, Sub-wavelength Structure coating, Super Spectra coating
nono
Internal

Focus

Internal
yesyes
Ring Type Ultrasonic
yesyes
78.74 in
yesyes
nono

Dimensions

Telephoto
Canon EF
Magnesium
White
7.98 lb
5.04 in
14.41 in
2.05 in
yesyes
yesyes
yesyes
yesyes
nono

Canon EF 200-400mm f/4L IS USM Extender 1.4x Online Reviews


Canon EF 200-400mm f/4L IS USM Lens with buil-in 1.4x Extender features High-Performance Telephoto Zoom...Read more


About a month ago Canon announced the EF 200-400mm f/4L IS USM Extender 1.4x - the world's first SLR lens with a built-in teleconverter. With the simple flick of a switch on the top of its barrel, the lens can be turned into a 280-560mm f/5.6 optic. This is a deceptively simple trick, but one that seems to have caused Canon plenty of headaches, as the lens had an unusually long gestation period: it took more than two years from its initial 'development announcement' in 2011 to the lens's general release. During that time, we're told, it was put through its paces at last summer's biggest sporting events, and many aspects of the design refined and improved.Read more