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

Announced May 14, 2013 •
Telephoto zoom lens | Canon EF
Principal specifications
Lens type Zoom lens
Max Format size 35mm FF
Focal length 200–400 mm
Image stabilisation Yes (4 stops claimed)
Lens mount Canon EF
Aperture
Maximum aperture F4.0
Minimum aperture F32.0
Number of diaphragm blades 9
Optics
Elements 25
Groups 20
Special elements / coatings Fluorite and Ultra-Low dispersion glass elements, Sub-Wavelength Structure Coating and Super Spectra Coating
Focus
Minimum focus 2.00 m (78.74)
Maximum magnification 0.15×
Autofocus Yes
Motor type Ring-type ultrasonic
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale No
Focus distance limiter 3 positions: Full, 2m-6m, 6m-infinity
Physical
Weight 3620 g (7.98 lb)
Diameter 128 mm (5.04)
Length 366 mm (14.41)
Materials Magnesium alloy barrel
Sealing Yes
Colour White
Zoom method Rotary (internal)
Power zoom No
Zoom lock No
Filter thread 52 mm
Filter notes Rear drop-in filter holder
Hood supplied Yes
Hood product code ET-120 (WII)
Tripod collar Yes
Other
Notes Switchable built-in 1.4x extender (8 elements / 4 groups) converts lens to 280-560mm f/5.6 lens with 0.21x max magnification
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