Canon EF 200-400mm lens

The EF 200–400 mm f/4L IS USM Extender 1.4× is an EF mount super telephoto zoom lens produced by Canon. It is part of the professional L-series and functions with the Canon EOS line of cameras. The EF 200–400 mm lens features an ultrasonic motor, image stabilization and weather sealing. It is the first and only EF lens with a built-in extender.

History

The EF 200–400 mm f/4L was first announced to be in development in February 2011 and a prototype was showcased at the 2011 CP+ tradeshow.^[1] In November 2011, Canon announced that availability of the lens would be postponed to an unspecified later date.^[2] The lens was only released more than a year later in May 2013.^[3]

Built-in 1.4× Extender

Although not the first lens to be equipped with a built-in teleconverter, an honor that belongs to the older Canon FD mount 1200 mm f/5.6L 1.4× lens,^[4]^[5] the EF 200–400 is the first to be for the EF mount, and the first to enter mass production. The extender, when engaged, increases the lens' focal length by a factor of 1.4×, while decreasing the aperture by a single stop, changing the lens to a 280–560 mm f/5.6 lens. The extender is activated and deactivated by a mechanical switch close to the lens mount.

Specifications

Attribute	f/4L IS USM Extender 1.4×
Image
Key features
Image stabilizer	Yes (4 stops)
Environmental Sealing	Yes
Ultrasonic Motor	Yes
L-series	Yes
Diffractive Optics	No
Macro	No
Built in 1.4× Extender	Yes
Technical data
Maximum aperture	f/4 (f/5.6 with extender)
Minimum aperture	f/32 (f/45 with extender)
Horizontal viewing angle	10°–5°10' (7°20'–3°40' with extender)
Vertical viewing angle	7°–3°30' (4°55'–2°25' with extender)
Diagonal viewing angle	12°–6°10' (8°50'–4°25' with extender)
Groups/elements	20/25 (24/33 with extender)
# of diaphragm blades	9
Closest focusing distance	2.0 m (6.6 ft)
Maximum Magnification	0.15× (0.21× with extender)
Physical data
Weight	3,620 g (7.98 lb)
Maximum diameter	128 mm (5.0 in)
Length	366 mm (14.4 in)
Filter diameter	52 mm drop in
Accessories
Lens hood	ET-120 (WII)
Lens Cap	E-145C
Case	200–400
Retail information
Release date	May 2013
MSRP (US$)	$10999.00

References

^ "Canon Will Exhibit The Prototype Of A New Super-Telephoto Zoom Lens At The CP+ Event: The EF 200–400mm f/4L IS USM EXTENDER 1.4x Lens". Usa.canon.com. 2011-02-07. Retrieved 2013-06-22.
^ "Canon U.S.A. Provides Updates On EF Lens Availability". Usa.canon.com. 2011-11-16. Retrieved 2013-06-22.
^ "Canon U.S.A. Announces The Availability Of The Versatile EF 200–400mm F/4L IS USM Extender 1.4X Super-Telephoto Zoom Lens". Usa.canon.com. 2013-05-14. Retrieved 2013-06-22.
^ "History Lesson: Canon FDn 1200 f/5.6L 1.4× Lens Images". Canonrumors.com. 2012-12-09. Retrieved 2013-06-22.
^ "Correction and History Lesson About Built-in Teleconverters in Canon Lenses". Canonrumors.com. 2012-12-08. Retrieved 2013-06-22.

External links

Wikimedia Commons has media related to Canon EF 200-400mm F4L IS USM.

v t e Canon EF/EF-S/EF-M lenses
EF-S zoom	EF-S 10–18mm EF-S 10–22mm EF-S 15–85mm EF-S 17–55mm EF-S 17–85mm EF-S 18–55mm EF-S 18–135mm EF-S 18–200mm EF-S 55–250mm
Ultra-wide zoom	EF 11–24mm EF 16–35mm EF 17–40mm
Standard zoom	EF 24–70mm EF 24–105mm EF 28–135mm EF 28–300mm
Telephoto zoom	EF 70–200mm EF 70–300mm EF 75–300mm EF 100–400mm EF 200–400mm
Wide-angle prime	EF 14mm EF 20mm EF 24mm EF-S 24mm EF 28mm EF 35mm
Standard prime	EF 50mm
Telephoto prime	EF 85mm EF 100mm EF 135mm EF 200mm
Super telephoto prime	EF 300mm EF 400mm EF 500mm EF 600mm EF 800mm
Distorting lens	EF 8–15mm Fisheye
Tilt-shift	TS-E 17mm TS-E 24mm TS-E 45mm TS-E 50mm TS-E 90mm TS-E 135mm
Macro	EF-M 28mm Macro EF-S 35mm Macro EF 50mm Compact Macro TS-E 50mm MACRO EF-S 60mm Macro MP-E 65mm 1–5x Macro TS-E 90mm Macro EF 100mm Macro TS-E 135mm Macro EF 180mm Macro
EF-M zoom	EF-M 11–22mm EF-M 15–45mm EF-M 18–55mm EF-M 18–150mm EF-M 55–200mm
EF-M prime	EF-M 22mm EF-M 28mm Macro EF-M 32mm
Lens accessories	Extender EF
Discontinued zoom	EF 17–35mm EF 20–35mm EF 22–55mm EF 24–85mm EF 28–70mm EF 28–80mm EF 28–90mm EF 28–105mm EF 28–200mm EF 35–70mm EF 35–80mm EF 35–105mm EF 35–135mm EF 35–350mm EF 38–76mm EF 50–200mm EF 55–200mm EF 70–210mm EF 80–200mm EF 90–300mm EF 100–200mm EF 100–300mm
Discontinued prime	EF 15mm Fisheye EF 40mm EF 135mm with Softfocus EF 1200mm TS-E 45mm

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