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Canon EF 200-400mm f/4L IS USM Extender 1.4X Zoom Lens (White)

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Manufacturer # 5176B002

Our Stock # CN5176B002

  • Super telephoto focal length range of 200-400

  • Built-in 1.4x Extender

  • One fluorite element, four UD (ultra-low dispersion) glass elements

  • 9-blade circular aperture diaphragm

  • Filter thread of 52mm

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

This is a newly designed Canon 200-400mm telephoto lens that has a built-in 1.4x extender, which can be activated just by flicking a switch to extend the focal length range to 280-560mm by just dropping a stop of lens brightness. There are three image stabilization modes offering four-stops of correction and a ring-type USM (Ultra-Sonic Motor) that keeps the lens quiet during focusing. The lens is ideally suitable for wildlife, sports and other journalistic photo ops.

Designed to satisfy the discriminating needs of sports and wildlife photographers, the 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. With a simple flick of a switch, the zoom range can be quickly increased to 280-560mm (f/5.6). This capability is extremely useful in applications where it is not possible to change lenses quickly, while also protecting delicate equipment such as a digital SLR camera's image sensor in environments with dust and high humidity. The EF 200-400mm f/4L IS USM Extender 1.4X incorporates one fluorite and four UD lens elements, which provide excellent correction of chromatic aberration throughout the entire zoom range for professional quality images with high resolution, contrast and color fidelity, while a 9-blade circular aperture helps deliver beautiful, soft backgrounds. It utilizes inner focusing, ring USM, a high-speed CPU and optimized AF algorithms for fast and accurate autofocusing. And, with Power Focus mode, focus shifts are quiet and smooth, which is essential for filmmaking. Image stabilization is effective up to four shutter speed steps, with three image stabilization modes (standard, panning, and during exposure only) providing excellent results for a wide range of subjects. Optimized lens placement and coatings deliver outstanding color balance, while helping to minimize ghosting and flare. The lens is highly resistant to dust and water, enabling shooting even in harsh conditions. A fluorine coating on front and rear lens surfaces repels dust particles and makes the lens easier to clean.

Focal Length & Maximum Aperture

Built-in extender at 1x: 200-400mm, 1:4.0

Built-in extender at 1.4x: 280-560mm, 1:5.6

Lens Construction

Built-in extender at 1x:

25 elements in 20 groups (incl. 1 rear filter)

Built-in extender at 1.4x:

33 elements in 24 groups (incl. 1 rear filter)

Diagonal Angle of View

Built-in extender at 1x: 12°-6°10'

Built-in extender at 1.4x: 8°50'-4°25'

Focus Adjustment

Inner focusing system

Closest Focusing Distance

6.6 ft. / 2m

Filter Size

52mm drop-In

Max. Diameter x Length, Weight

5.0 x 14.4 inches, 127.7 oz. / 128 x 366mm, 3620g