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Key Features
- Full-Frame | f/4 to f/32
- Built-In 1.4x Extender
- One Fluorite and Four UD Elements
- Super Spectra Coating
A long-reaching zoom characterized by its versatility, the EF 200-400mm f/4L IS USM Extender 1.4x from Canon is a medium to super-telephoto distinguished by its unique optical design and fast performance. Featuring a built-in 1.4x extender, you can quickly and intuitively switch between the native 200-400mm f/4 setting and an effective 280-560mm f/5.6 for greater reach. Benefitting this unique design is a sophisticated optical layout, which includes one fluorite element and four ultra-low dispersion elements to control chromatic aberrations and color fringing for increased clarity. A Super Spectra coating has also been applied to individual elements to reduce lens flare and ghosting for greater color accuracy and contrast when working in bright or backlit conditions.
More DetailsIn Stock
$9,999.00
Save $2,400.00
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Can this be safely used with the c70 .71x speed ...
Can this be safely used with the c70 .71x speed booster adapter?
Yes, you can use the Canon EOS C70 Cinema Camera (RF Mount) with the Canon Mount Adapter EF-EOS R 0.71x and the Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens (Canon EF). If you are using a tripod or monopod, just make sure to use the tripod or monopod on the lens itself.
Date published: 2025-10-16
Is this lens compatible with the 2x extender III?
Is this lens compatible with the 2x extender III?
Yes, the Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens (Canon EF) is compatible with the Canon Extender EF 2X III. It is also compatible with the Canon Extender EF 1.4X II/III or 2x II.
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Date published: 2025-12-15