Canon EFS 17-55mm f2.8 IS USM lens

$995.00

Description

Canon EFS 17-55mm f2.8 IS USM lens
New near condition with original box.

Features:
EF-S mount
The lens fits exclusively on those EOS cameras with an EF–S lens mount – the new EOS 30D, EOS 350D, and earlier EOS 20D and 300D models. (see appendix ‘Technologies Explained for further information on the EF–S mount). The 1.6x multiplication effect of these cameras’ APS-C size sensor gives the lens an effective focal length of approximately 27-88mm.
Image quality
To improve image clarity over the total image area, two Ultra-Low Dispersion glass (UD) elements are employed to eliminate secondary chromatic aberrations that otherwise reduce sharpness and introduce colour fringing. To ensure crisp, high contrast from one corner of the frame to the other, two aspherical lens elements have been introduced to avoid spherical aberrations that can soften images, especially at wider apertures. In combination with digital EOS CMOS sensor and DIGIC II image processor technologies, the EF-S 17-55mm f/2.8 IS USM delivers image quality surpassing that required for many commercial applications.
Fixed f/2.8 from 17 – 55mm
Superb optical quality with no change in aperture over the full focal length range allows photographers to set exposure at the widest aperture and concentrate on framing, without concern for adjusting shutter speed at longer focal lengths. The lens employs an almost perfectly circular barrel aperture, helping create attractive, even background blur.
Image Stabilizer
The lens features Canon’s latest 3-stop Image Stabilizer (IS) for dramatically reduced image blur caused by camera shake. IS significantly extends scope for shooting in low light conditions without flash, or for gaining depth of field. The 3-stop advantage allows a photographer shooting in low light to use a shutter speed of just 1/15 sec instead of 1/125, with no perceptible increase in image blur.

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