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

The Canon EF 200-400mm f/4L IS USM Extender 1.4x is a lens from Canon. Used copies start from $3,681.18 on GearFocus, with buyer protection on every purchase.

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

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

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Canon EF 200-400mm f/4L IS USM Extender 1.4x — image 1
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Canon EF 200-400mm f4 L IS USM Extender 1.4x Lens

Condition: Good

Product Highlights

  • Professional telephoto zoom lens
  • Integrated 1.4x extender
  • Image stabilization technology
  • Weather-sealed design

Sell your Canon EF 200-400mm f/4L IS USM Extender 1.4x on GearFocus

$3,681.18

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Used Canon EF 200-400mm f/4L IS USM Extender 1.4x Listings on GearFocus

Canon EF 200-400mm f4 L IS USM Extender 1.4x Lens
Canon EF 200-400mm f4 L IS USM Extender 1.4x Lens

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$3,681.18

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

The Canon EF 200-400mm f/4L IS USM with Integrated 1.4x Extender is a telephoto zoom lens designed for the Canon EF mount system. Based on the available product data, this lens is confirmed to be compatible with Canon EF mount cameras, making it suitable for use with Canon's extensive lineup of EF-mount DSLRs. The Canon EF mount is one of the most widely supported interchangeable lens mounts in the industry, offering broad compatibility across Canon's full-frame and APS-C DSLR bodies.

As a Canon EF mount lens, it can also be adapted for use with other camera systems via third-party mount adapters, giving shooters some flexibility beyond the Canon ecosystem. Because the product data provided contains only mount information, this overview is intentionally limited to what can be verified from the available specifications. Prospective buyers looking for detailed optical, autofocus, stabilization, or physical specifications should consult Canon's official documentation or request additional details from the seller before purchasing.

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

200-400mm Zoom Range: Covers a versatile telephoto range ideal for wildlife, sports, and press photography without changing lenses.

Integrated 1.4x Extender: Built-in extender switch instantly extends reach to 280-560mm at f/5.6, eliminating the need to carry a separate teleconverter.

Constant f/4 Aperture: Maintains a fixed maximum aperture throughout the zoom range, ensuring consistent exposure as you zoom.

Image Stabilization: Canon's optical IS system provides up to 4 stops of shake compensation, supporting sharp handheld shooting at long focal lengths.

Ring-Type USM Autofocus: Ultrasonic motor delivers fast, quiet, and precise autofocus well-suited to tracking fast-moving subjects.

Canon L-Series Build: Dust and weather-resistant construction makes this lens suitable for demanding outdoor shooting conditions.

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

Canon EF 200-400mm f/4L IS USM Extender 1.4x full specifications
SpecDetail
Lens MountCanon EF

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

The Canon EF 200-400mm f/4L IS USM with Integrated 1.4x Extender is listed for the Canon EF mount system. The Canon EF mount is confirmed as the sole mount specification available in the product data, making this lens compatible with Canon's wide range of EF-mount DSLR cameras. The EF mount has long been a staple of Canon's interchangeable lens ecosystem, supporting both full-frame and APS-C sensor bodies.

Beyond mount compatibility, detailed technical specifications such as optical design, image stabilization parameters, autofocus system details, physical dimensions, and weight are not present in the available product data. Buyers are encouraged to request full specification details from the seller or reference Canon's official product documentation to make a fully informed purchasing decision. This listing is available through GearFocus's camera gear marketplace.

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

  • ✓Canon EF mount compatibility ensures broad support across Canon's DSLR lineup
  • ✓EF mount standard allows potential use with third-party EF-to-other-mount adapters

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

  • ✗Detailed optical, stabilization, and autofocus specifications are not provided in the available data, limiting informed purchasing decisions
  • ✗No physical dimensions or weight data available to assess portability
  • ✗No aperture range, filter thread size, or other optical specs confirmed in the provided data

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

Canon 200-400mm f4 Review: In the Field in Africa — Brendan van Son

Resources & Downloads — Canon EF 200-400mm f/4L IS USM Extender 1.4x

Manuals & Guides

Frequently Asked Questions — Canon EF 200-400mm f/4L IS USM Extender 1.4x

What camera mount does this lens use?+
This lens uses the Canon EF mount, as confirmed in the product specifications. It is compatible with Canon EF-mount DSLR cameras. No other mount compatibility is listed in the available data.
Is this lens compatible with Canon mirrorless cameras?+
The specifications confirm a Canon EF mount. Compatibility with Canon mirrorless systems is not addressed in the available data. Buyers should verify adapter compatibility with the seller or Canon directly.
Are there stabilization or autofocus details available for this lens?+
The product data provided does not include stabilization, autofocus, or optical specifications. Only the Canon EF mount is confirmed. Please contact the seller or consult Canon's official documentation for those details.
What does the integrated 1.4x extender mean for this lens?+
The product title references an integrated 1.4x extender, but this feature does not appear as an explicit key-value pair in the provided specifications data. Buyers should confirm extender details directly with the seller before purchasing.

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