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Lens models are any interchangeable lens that has been marketed

Summary
Manufacturer	Canon
Model	EF 200-400mm f/4L IS USM Extender 1.4x
Mount	Canon EF
Marketed	2013 11 years ago
Optics
Zoom
Focal length	200-400mm
Zoom ratio	2.00×
Aperture	f/4.0-32.0
Closest focus	2.00m
Elements/Groups	25/20
Diagonal angle of view	12-6°
Lens type	Super telephoto
Maximum magnification	0.150×
Negative size	35mm
Aperture blades	9
Coating	Multi coated
Optical diagram
Features
Autofocus
Physical
Weight	3620g
Length	366mm
Diameter	128mm
Filter thread	52.0mm
Misc
Notes	Includes switchable 1.4x extender
Link	https://global.canon/en/c-museum/product/ef428.html
Meta
Tags	l image-stabilisation ultrasonic
Similar lens models	Canon EF 100-400mm f/4.5-5.6L IS II USM Canon EF 70-300mm f/4-5.6L IS USM Canon EF 70-200mm f/2.8L IS II USM Canon EF 70-200mm f/4L IS USM Canon EF 400mm f/4 DO IS USM Canon EF 100-400mm f/4.5-5.6L IS USM Canon EF 800mm f/5.6L IS USM Canon EF 400mm f/2.8L IS II USM Canon EF 500mm f/4L IS II USM Canon EF600mm f/4L IS II USM
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