Canon EF-S 17-55mm f/2.8 IS USM Lens - Canon
Canon's EF-S 17–55mm f/2.8 IS USM is an advanced zoom lens, specifically engineered to deliver sup...Canon's EF-S 17–55mm f/2.8 IS USM is an advanced zoom lens, specifically engineered to deliver super fast speeds in a EF-S zoom. Its new and large aperture of f/2.8 creates incredibly shallow depth of field that illicits a pleasing background blur, drawing attention and creating detail in the subject. The lens construction includes UD and aspherical elements, which deliver impressive image quality throughout the entire zoom range. It also features Canon's optical Image Stabilizer technology, providing up to 3-stop compensation for image blur caused by camera shake at slow shutter speeds. This means you can effectively capturing stunning, high quality images even in very challenging lighting situations. Designed specifically for digital photography, the lens has specially shaped lens elements and Super Spectra coatings to suppress ghosting and flare, which can be caused by reflections off digital camera sensors. ULTRA SONIC MOTOR (USM)Canon's USM lenses employ a motor powered by ultrasonic waves that produce a quiet, yet high-speed AutoFocus. You can enjoy high performance with low noise in a variety of shooting situations. ULTRA LOW DISPERSION GLASS (UD)Canon's Low Dispersion technology is engineered to reduce chromatic aberrations, eliminating the tendency of light of different colors to focus to different points at the image plane. This means your images will come out crisp and clear, with less of a chance of defracting light into an unwanted rainbow of colors. Take shots exactly like you want, without any flare-up or blurring. ASPHERICAL DESIGNCanon's aspherical lens design creates a more complex surface profile. This helps to greatly reduce spherical and other optical aberrations. The design further ensures consistent imaging performance throughout the entire focal range, while delivering incredible sharpness up to the periphery of the image. MANUAL FOCUSManual focusing means you have all the control at the end of your fingers. Canon lenses feature a specially designed ergonomic construction that is noticeable at first touch. The large rotation angle of this lens guarantees precise focusing. The mechanism moves super smoothly and without extra play, furthering the intuitive interaction along the focal plane. ADVANCED APERTURE DESIGNThe circular aperture produces a natural background blur. With Canon lenses you can create stunning Bokeh effects, thanks to the finely tuned features and advanced optical design. By keeping the background intentionally blurred, additional focus is created on the subject of an image. The uniquely engineered diaphragm blades of this lens, along with the virtually circular aperture, deliver stunning renditions of highlights the back and foreground. ANTI-REFLECTIVE COATINGThe Canon anti-reflective coating is an optical design feature which ensures superior clarity and image brilliance, even in poor or unfavorable lighting conditions. Canon applies the anti-reflective coating through a special process, layering the lens surface in order to substantially reduce unwanted flare or ghosting. This process helps to ensure incredibly rich image contrast and true color fidelity. Canon L Series lenses feature a fluorine coating on the front and rear surfaces. This coating helps to greatly reduce smears, smudges or fingerprints ensuring that you will always take impeccable images. OPTICAL IMAGE STABILIZATION (IS)Lens features Optical Stabilization technology, a feature that employs an innate, built-in mechanism in order to compensate for camera shake. By eliminating natural shakes and sways with camera movement your images will come out crisp and clean every time.
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