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News

Power and versatility: the EF100-400mm f/4.5-5.6L IS II USM

Power and versatility: the EF100-400mm f/4.5-5.6L IS II USM

November 2014

Canon has launched the new EF100-400mm f/4.5-5.6L IS II USM lens, bringing new and exciting lens technology to sports and wildlife photographers looking for even greater quality, performance and sharpness...

The new lens features several key innovations and advantages over the original – and highly respected – EF100-400mm optic and is set to become a firm favourite for those photographers looking for a powerful yet compact telephoto zoom capable of stunning results in all weather.

NEW OPTICAL TECHNOLOGY AND PERFORMANCE

The EF100-400mm f/4.5-5.6L IS II USM uses a completely new optical design featuring 21 elements in 16 groups. The lens boasts a Fluorite and Super UD lens element to minimize chromatic aberration of magnification that tends to occur mainly at the edges, as well as to eliminate colour blurring around the edges of the subject, ensuring high-quality images with high levels of resolution and contrast.

Tiny nano particles of air trapped in a film above the conventional multi-layer coatings help to radically reduce internal reflections.

The lens’s redesigned optical construction now features an improved 4-stop optical Image Stabilizer to reduce the effects of camera shake on long-distance shots, with three IS modes tailored to the most typical shooting conditions, while Canon’s pioneering ring-type Ultrasonic Motor provides fast and silent autofocus.

Built to deliver quality results under all circumstances, the lens’s new 21-element structure uses a combination of fluorite and Super Ultra-low Dispersion (Super UD) lens elements and – as a first in the EF lens range – Canon’s new Air Sphere Coating (ASC).

The new Air Sphere Coating has been developed by Canon to minimise reflections and flare. It consists of tiny nano particles of air trapped in a film above the conventional multi-layer coatings. These Air Sphere particles form a super low reflective coating on the surface of the lens element to reduce reflection and act as a ‘crash mat’ to reduce the speed that light travels through the layer so there is not such a large change in speed when the light enters through the glass of the lens element. The major cause of reflections is the sudden change in the speed of light as it passes from air to glass, and this new technology prevents the cause of visible ghosting and flare.

NEW LENS DESIGN AND ZOOM FUNCTIONALITY

Canon has listened to feedback from photographers concerning the zoom type mechanism of the previous EF100-400mm lens and has changed it from the ‘push and pull’ to the ‘rotation’ type used in most Canon EF zoom lenses.

The lens also features a Zoom Touch Adjustment ring; a separate ring located on the barrel, which allows adjustment of the zoom ring's torque according to application (for example “loose” for fast zooming and “tight” to prevent accidental zoom setting change).

Incredibly compact and lightweight for an advanced telephoto zoom, the EF100-400mm f/4.5-5.6L IS II USM has been optimised to provide photographers with complete fingertip control. A tripod collar is now integrated with the barrel to provide smoother, seamless rotation while the tripod foot itself can even be removed completely.

A new, dedicated lens hood, ET-83D, allows the use of rotating polarising filters without the need to remove the hood, thanks to the inclusion of an access window.

CLASSIC EF LENS DNA

The new EF100-400mm f/4.5-5.6L IS II USM had a hard act to follow thanks to the solid reputation won by its predecessor but thanks to Canon’s legendary engineering and superb optical heritage its pedigree is assured. New innovations and enhancements to proven technology such as improved weather sealing plus – for added endurance – fluorine coatings on the front and rear lens elements all help to cement Canon’s reputation for optical excellence and deliver a lens that sports and wildlife photographers will really appreciate.

EF100-400MM F/4.5-5.6L IS II USM – KEY FEATURES


  • 100-400mm focal length with zoom torque adjustment
  • Shoot in low light with 4-stop Image Stabilizer
  • High image quality thanks to Fluorite and Super UD elements
  • New ASC coating to prevent ghosting flare
  • Highly weather resistant for use in the toughest of conditions