Is Canon EOS 1D X Mark III and Canon EF 200-400mm f/4 L IS USM Extender 1.4x compatible?

Below you will find your chosen camera and lens. Click on the product name for more information.

Buy	Canon EOS 1D X Mark III Released: 2020 Type: Digital SLR Sensor: Full frame 20 Megapixels 5472 x 3648 pixels
Buy	Canon EF 200-400mm f/4 L IS USM Extender 1.4x Released: 2013 Telephoto Zoom Lens Focal Length: 200-400 mm Aperture: f/4

Can you combine these two?

Last updated: November 2024

This is the short answer:

The camera and lens you have chosen can be used together.

Made for each other

This lens is part of the Canon EOS EF range of products and is ideal for this camera as well as other cameras in the Canon EOS EF series.

Focal Length

The Canon camera has a sensor of type Full frame which means that your experienced Focal length will be same as the lens specification tells us.

This lens has focal length:
200-400 mm

Since Canon EOS 1D X Mark III has a Full Frame sensor this is also the focal length you will experience.

Total weight

When you are looking at a combination of a camera and a lens you must always consider the total weight. Each product weighs in at:

Canon EOS 1D X Mark III
1440 gram

Canon EF 200-400mm f/4 L IS USM Extender 1.4x
3620 gram

Together they have a total weight of 5060 gram (equal to 11.16 lb).

Please note that Canon EF 200-400mm f/4 L IS USM Extender 1.4x has a tripod mount which is great.

Read more about Tripod mount

Compatibility Check ID: 1100

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