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6L IS USM is Canon s fourth Image Stabilizer lens.

It is a highperformance Lseries telephoto zoom lens offering sophisticated features and high image quality which is to succeed the existing EF 100300mm f/5.

6L lens.

Besides having an Image Stabilizer this new lens also features enhancements such as ring USM for silent AF rear focusing a longer focal length range and fluorite and Super UD elements which correct secondary chromatic aberrations for high image quality.

It is the first EF zoom lens to have both rear focusing and a floating system to obtain high image quality at all focal lengths.

Compatible with Extender EF 1.

4x and EF 2x.

With the EOS 3 autofocusing at the centre focusing point only is possible while the EF 1.

4x is attached to the lens.

Features The Image Stabilizer gives the equivalent effect of a shutter speed two stops fasterMinimum focusing distance of 1.

8 metres at all focal lengthsManual focusing possible in the AF mode fulltime mechanical manual focusingThe wide zoom ring is covered with rubber for linear movement Specifications Image size 24x36mm Macro feature None Zoom type 6group linear zoom zoom extension 79.

6mm Front of lens barrel moves Lens mount type Canon EF mount Focal length aperture ratio 100400mm 1 4.

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6 Minimum focusing distance 1.

8m Manual focusing Set focus mode switch operate manual focusing ring fulltime mechanical manual focusing system Dimensions and weight 92mm diameter x 189mm 1360g prototype weight Magnification At 100mm 0.

06x At 400mm 0.

20x Angle of view at infinity Diagonal 43.

2mm 246 Vertical 24mm 143 Horizontal 36mm 205 Field At 100mm 393x591 At 400mm 119x177 Coating Super spectra coating Filter size 77mm diameter P0.

75mm.

Up to 1 filter attachable Lens configuration 17 elements in 14 groups fluorite element for G3 Super UD glass for G7 Aperture blades 8 Aperture control Pulse control with EMD enabled .

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