Canon introduces new super-telephoto lens

EF 200-400mm f/4L IS USM Extender 1.4x aimed at sports, wildlife photographers

Tags: Canon Middle East
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Canon introduces new super-telephoto lens Canon’s EF 200-400mm f/4L IS USM Extender 1.4x.
By  Stephen McBride Published  June 15, 2013

Canon Middle East this week added a new category to its range of high-performance super-telephoto lenses, with the introduction of its EF 200-400mm f/4L IS USM Extender 1.4x to the company's L-series.

The EF 200-400mm f/4L IS USM Extender 1.4x features a flexible 200-400mm focal range with a fixed f/4 aperture and 4-stop optical image stabiliser. It also includes a built-in 1.4x extender, which, according to Canon, is a commercial first.

"These features combine to provide an outstandingly versatile lens for professional sports or wildlife photographers," Canon said. "A robust magnesium alloy design, environmental protection and specialised lens coatings also make it ideal for mobile use, combining with the finest quality optics to deliver exceptional results, even in the harshest conditions.

The reach of the lens is boosted by its internal 1.4x extender, which is engaged or disengaged at the flick of a lever to provide an extended focal length of 280mm to 560mm.

The optical design includes both fluorite and ultra-low dispersion (UD) lens elements, which are aimed at minimising chromatic aberration and eliminating colour blurring. Advanced anti-reflection sub-wavelength structure coating (SWC) and super spectra coating also reduce ghosting and flare. The technologies are combined with the aim of ensuring that image performance is unaffected when the integrated extender is used.

With a fixed f/4 aperture the use of high shutter speeds to capture fast-paced action or a low-light scene is possible. A newly designed optical image stabiliser provides users with a four-stop advantage, while IS ‘Mode 3' applies image stabilisation only at the time of exposure, so photographers can pan with fast-paced action without IS overcompensating for movement. This feature is aimed at sports photographers, who typically have only a split-second to capture a subject.

The EF 200-400mm f/4L IS USM Extender 1.4x features Canon's ring-type ultra-silent motor designed for fast, silent auto-focusing. For those who prefer to fine-tune focus themselves, full-time manual override allows photographers to manually focus at any moment when using AF. The Power Focus (PF) mode is aimed at increasing versatility during movie shooting with the EOS-1D C or EOS-1D X, enabling photographers to achieve an accurate pull-focus effect at one of two speeds, by twisting the focus recall ring and stopping at a pre-set distance.

The extender's chassis is made of a magnesium alloy to ensure the lens is a similar weight to lenses of comparable focal length. Fluorine coatings on the front and rear lens elements also reduce the ability of dirt to cling to the lens surface, while a dust and water-resistant construction allows photographers to shoot in challenging weather conditions.

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