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

SKU : CA2004004IS
Replacement Value : $14299
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Focal Length

200 to 400mm

Maximum Aperture


Minimum Aperture


Lens Mount

Canon EF

Format Compatibility


Angle of View

12° to 6° 10'

Maximum Magnification


Minimum Focus Distance

6.56' / 2 m

Optical Design

25 Elements in 20 Groups

Diaphragm Blades

9, Rounded

Focus Type


Image Stabilization


Tripod Collar

Removable and Rotating

Dimensions (ø x L)

5.04 x 14.41" / 128 x 366 mm


8 lb / 3.6 kg

- Canon 200-400mm f/4L IS with 1.4x Extender (CA2004004IS)
- Lens Hood (LH-C24)
- Lens Front Cap
- Lens Rear Cap
- Hard Case (MR-HC)

Movri provides Lens & Camera Rentals for professional photographers, videographers, filmmakers, and photography/videography hobbyists.

The Canon EF 200–400mm f/4L IS USM Extender 1.4X is a high-performance super telephoto zoom lens with an optically matched built-in 1.4x extender for maximum versatility. Three stabilization modes, excellent color fidelity, and optimized AF algorithms make this lens a very dependable choice for long-shooting field work. The Canon EF 200-400 f/4L can be paired with both full frame sensor cameras, such as the Canon 5D Mark III, and with crop frame sensor cameras, such as the Canon 7D Mark II.

High Quality Zoom & Aperture
Image quality of the Canon 200-400mm f/4L IS with 1.4x Extender is on par with all the Canon L-series super telephoto primes. Constant f/4 maximum aperture, without the teleconverter in position, offers consistent illumination throughout the zoom range. One fluorite and four UD lens elements are used to greatly reduce color fringing and chromatic aberrations in order to achieve greater clarity and color accuracy, while a rounded nine-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.

Image Stabilization
An Optical Image Stabilizer helps to minimize the appearance of camera shake by up to four shutter speed stops to better enable working in low-light conditions and with slower shutter speeds. Three distinct IS modes are available: standard single-shot mode, a panning-optimized mode, and a mode that only activates the Image Stabilizer during the exposure.

Built-In 1.4X Extender
Built-in 1.4x extender allows you to instantly extend your reach to 280-560mm simply by flipping the left-hand switch. This capability is extremely useful in applications where it is not possible to change lenses quickly. Since the extender is integrated within the lens housing, it is optically matched to the lens for improved imaging performance and also fully maintains the lens's weather sealing.

USM Motor with Power Focus
A ring-type Ultrasonic Motor (USM), along with optimized focusing algorithms and a high-speed CPU, is employed to deliver fast, precise and quiet autofocus performance as well as full-time manual focus override. Also featured is a Power Focus mode, which allows for quiet focus shifts that are suitable for filmmaking. Power Focus setting allows you to electronically and smoothly adjust your focus position to suit video recording. This setting utilizes a dedicated ring in front of the main focusing ring and allows you to use one of two different focusing speeds. Like other L-series super teles, there are Focus Preset function and Focus Limiter switch that lets you constrain the focusing to different ranges for faster performance to suit different applications.

Build Quality
As a member of the esteemed L-series, this lens is resistant to dust and water for working in inclement environmental conditions. Super Spectra coating has been applied to individual elements to minimize ghosting and flare for greater contrast and color neutrality when working in strong lighting conditions. A Fluorine-coating on exposed elements affords protection to the optical system, resists smudging and fingerprints, and is easier to clean.
Movri Canada, providing the mail-delivery system, is set out to make the gear available at more affordable prices through online rentals.

  • This lens is compatible with Canon EF mount cameras in both full frame and crop frame sensors. The focal length equivalent on crop frame sensors is 320-640mm.

  • This lens has a built-in 1.4X extender. When activated, the maximum aperture is reduced from f/4 to f/5.6.

  • This lens is compatible with optional 1.4X and 2X extenders. Either can be added in addition to the built-in 1.4X extender. When adding an external 1.4X converter on top of the built-in 1.4X converter, your maximum aperture is reduced to f/8 and the AF is limited to only the center focus point. Adding the 2X extender to the internal 1.4X reduces the max aperture even further to f/11 and AF is eliminated completely. You may also use these external extenders without engaging the internal one. Experiment at your own risk.

  • Ideal for sports & wildlife photography.

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