A high-performance super-telephoto lens with class-leading portability, performance and image quality. Ideal for sports, action and wildlife photography, when you need to keep your distance.
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For excellent low-light performance and depth-of-field control
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Built in optical IS providing 5.5 stops of protection against blur from camera shake
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A dual powered ring-type USM focusing drive is backed up by a high-speed CPU and optimized AF algorithms for quick, quiet focusing
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The RF 400mm F2.8L IS USM makes use of fluorite glass in its construction for increased image resolution and contrast
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Even in tough lighting conditions, ghosting and flare is minimised by our Air Sphere Coating technology
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Three manual-focus speeds are available, for precise control. Full Time MF allows adjustments to be made without switch focus modes
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Store two focus presets for quick recall, saving time when you need to react fast and letting you pull focus when shooting video
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The RF 400mm F2.8L IS USM attaches directly to your EOS R series camera without an adapter, letting you take advantage of its advanced image quality
Specifications in detail
Optical Features / Specifications
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Image Size
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Angle of View (Horizontal, vertical, diagonal)
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Lens Construction (Elements/Groups)
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Special Optics
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Number of Diaphragm Blades
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Minimum Aperture
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Closest Focusing Distance (m)
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Maximum Magnification (x)
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Control Ring
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Image Stabilizer IBIS x OIS
2
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AF Actuator
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Coatings
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Fluorine
Accessories
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Lens Cap
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Lens Hood
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Lens Case/Pouch
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Rear End Cap
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Extender Compatibility
Compatible with RF 1.4x & RF 2x Extenders only
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Other Accessories
Canon drop-in 52mm filters
Canon Drop-In Circular Polarizing Filter 52 (WIII)
Canon Lens Short Hood ET-155B
Specifications with 1.4x Extender
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Focal Length
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Maximum Aperture
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Maximum Magnification
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AF Possible
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Image Stabilizer
Specifications with 2x Extender
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Focal Length
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Maximum Aperture
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Maximum Magnification
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AF Possible
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Image Stabilizer
Physical Specifications
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Dust/Moisture Resistance
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Exterior Coating
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Filter Diameter (mm)
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Max. Diameter x Length (mm)
3
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Weight (g)