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Canon EF wide-angle zoom lens - 17 mm - 40 mm - Canon EF
The EF17-40mm f/4L USM is an ultra wide angle Canon EF zoom lens meant for professional and high amateur SLR EOS camera users. While it is an excellent lens when used with an... more
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Canon EF-S 17-55mm f2.8 IS USM Wide Angle Zoom Lens
This lens was designed for the Canon Digital Rebel EOS Digital Rebel XT EOS 30D and EOS
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20D Digital SLRs and will only work with these cameras. The Canon EF-S 17-55mm f/2.8 IS USM offers image quality on a par with Canon's highly regarded L-series lenses. It has a large maximum aperture which combined with higher shutter speeds can minimize subject motion blur. Shallow depth-of-field separation of a subject from its background is much easier to achieve and the f/2.8 maximum aperture allows a bright finder and extremely precise focusing with f/2.8 compatible AF sensors. The internal stabilization has a sharpness benefit equivalent to a three-stop faster shutter speed making this lens outstanding in low light situations. Smaller and lighter than lenses of similar specifications the EF-S 17-55 mm f/2.8 IS USM lens has a 35mm equivalent focal length of 27-88mm and is compatible only with the EOS 30D EOS 20D EOS Digital Rebel XT and EOS Digital Rebel SLRs. ? 17-55mm Zoom Range Equivalent to 27-88mm in 35mm Format ? Ultrasonic (USM) motor for silent auto focusing operation and very quick focus even in low-light conditions ? Image Stabilization Technology ? Two Ultra-Low Dispersion UD Glass Lens Elements for excellent color rendition ? Three Aspherical Lens Elements to eliminate spherical aberration ? Optimized Lens Coating for Digital Cameras ? Compatible models: EOS 30D EOS 20D EOS Digital Rebel XT EOS
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$ 1,014.95 |
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Shipping costs: $ 0.00
Availability: In Stock |
Abesofmaine.com
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Canon 17-55 mm f/2.8 EF-S IS USM Wide Angle Zoom Lens
To meet user demands for a fast EF-S zoom lens, Canon has specially designed a new lens
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with a large aperture of f/2.8 for select Canon Digital SLR cameras.(EOS 30D, 20D, 20Da, Digital Rebel XT and Digital Rebel only) The large circular aperture produces a shallow depth-of-field, creating background blur that draws attention to the photographic subject. The lens construction includes UD and aspherical elements, which deliver impressive image quality throughout the entire zoom range. Image Stabilizer lens groups shift to compensate for camera movement so that the image appears steady on the image plane, ensuring clear, crisp images, even in dim light. With a Ring-type USM, inner focusing and new AF algorithms, this lens achieves autofocus quickly and quietly, and with full-time mechanical manual focusing, manually adjusting the focus is possible even in AF mode.Canon strengthens its EF-S lens series with the Image Stabilized wide angle EF-S 17-55mm f/2.8 IS USM. With image quality and construction approaching that of Canon's renowned professional lenses, the EF-S 17-55mm f/2.8 IS USM becomes the fastest standard focal length zoom for EF-S mount cameras such as the new EOS 30D. Combining constant f/2.8 aperture throughout the zoom range with Canon's latest 3-stop Image Stabilizer, it delivers outstanding wide angle performance and framing flexibility in low light conditions. Specialist optics such as UD glass and aspherical elements help deliver exceptional clarity, sharpness, contrast and colour accuracy.EF-S mount - The lens fits exclusively on those EOS cameras with an EF-S lens mount - the new EOS 30D, the EOS 20D and Rebel models. 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.IS automatically detects when the camera is mounted on a tripod, thus preventing feedback loops between the IS sensor and stabilizer motor vibrations.Fast, silent auto-focus - The lens' USM motor employs ultrasonic frequency vibrations to drive auto focus with speed and near-silent operation. The constant torque motor moves the focus group at high speed, stopping with precision, accuracy and without overshoot the instant the lens arrives at the correct focus point. Photographers can switch to manual focus instantly and at any time simply by moving the manual focus ring without first having to switch out of auto focus mode.Harmful reflections eliminated - By optimising Super Spectra lens coatings and lens element shaping, Canon's engineers have been effective in suppressing flare and ghosting - more prone to occur with digital cameras due to reflection off the image sensor. By increasing light absorption, coatings reduce reflections off lens element surfaces to deliver crisp, undistorted images with natural colour balance.EOS system integration - When used in conjunction with Canon's range of EX Speedlite flash units and the internal flash of the EOS 350D, EOS 20D and new EOS 30D, the lens passes distance information to the E-TTL II flash algorithm to improve flash exposure metering.An optional lens hood, made exclusively for the EF-S 17-55mm f/2.8 IS USM, and pouch are available. In keeping with Canon's Kyosei philosophy of living in harmony with the environment, the lens features only lead-free glass.EF-S lens mount - The compact APS-C size sensor of select EOS cameras such as the EOS 30D, EOS 20D, EOS 350D and EOS 300D has paved the way for a range of relatively compact and lightweight EF-S mount lenses. These lenses project a smaller image circle than would otherwise be necessary to cover a full frame sensor or a frame of 35mm film. The 'S' in the EF-S nomenclature stands for the term 'short back focus'. This describes the system that allows for both a smaller image circle and positioning of the rear lens element closer than normal to the camera's sensor. Cameras with an EF-S lens mount can accept both EF lenses and EF-S lenses, while EF-S lenses can only fit to cameras with an EF-S lens mount. A white lens mount index differentiates the lens from other EF lenses, which retain their traditional red marking. A rear rubber ring prevents any damage in the event that an inadvertent attempt is made to mount an EF-S lens to a camera with an EF mount.Image Stabilizer - IS works by using gyro sensors and circuitry to detect and measure unwanted vibrations. Tiny servo motors then create corresponding movement of a correcting lens group perpendicular to the optical axis. This alters the light path, returning the image to its correct position on the sensor or film plane. Unwanted movement is corrected fast enough to suppress effectively the vibrations of moving vehicles and aircraft such as helicopters.
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$ 1,179.99 |
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Shipping costs: $ 0.00
Availability: refer to website |
Ritzcamera.com
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Canon EOS 40D W/ Canon Zoom Super Wide Angle EF-S 17-85 mm f/4-5.6 IS USM Autofocus Lens (Black)
The Spirit of Photography. Welcome to the next generation of digital SLR photography-the
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Canon EOS 40D. The EOS 40D combines Canon's tremendous know-how in both the digital and photographic worlds, creating a camera that not only does everything one would expect of a traditional digital SLR, but one that incorporates staggering leaps forward in technological innovation. With new features like Canon's EOS Integrated Cleaning System, Live View Function, a more powerful DIGIC III Image Processor, plus a 10.1-megapixel CMOS sensor, a 3.0-inch LCD monitor and more, the EOS 40D elevates digital photography to new heights, enhancing the shooting experience, and delivering images one could only expect from a Canon.
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$ 1,245.00 |
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Shipping costs: $ 0.00
Availability: In Stock |
Digicombos.com
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Canon EF-S 17-55mm F/2.8 IS USM Wide Angle Zoom Lens CANON AUTHORIZED USA DEALER
The EF-S 17-55mm f/2.8 IS USM offers image quality on a par with Canon's highly regarded
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L-series lenses. It has a large maximum aperture which, combined with higher shutter speeds can minimize subject motion blur. Shallow depth-of-field separation of a subject from its background is much easier to achieve and the f/2.8 maximum aperture allows a bright finder and extremely precise focusing with f/2.8 compatible AF sensors. The internal stabilization has a sharpness benefit equivalent to a three-stop faster shutter speed, making this lens outstanding in low light situations. Smaller and lighter than lenses of similar specifications, the EF-S 17-55 mm f/2.8 IS USM lens has a 35mm equivalent focal length of 27-88mm. NOTE: This is an EF-S Series Lens and is compatible only with Digital SLR's that accept EF-S lenses like the EOS Digital Rebel , Digital Rebel XT, Digital Rebel XTi, Digital Rebel XSi, EOS 20D, EOS 30D, EOS40D and similar. Do NOT Use With the EOS-5D, EOS-1D, EOS-1DS, EOS 1DS-Mark III Or Any Other EOS Camera. Specifications: Construction Elements/Groups: 19-Dec Angle of view H: 68 degrees 40' - 23? 20' V: 48 degrees - 15 degrees 40' D: 78 degrees 30' - 27 degrees 50' F stop range f/2.8-22 Closest Focusing Distance 0.35m / 1.14 ft. Maximum Magnification 0.17x (at 55mm) Filter Size 77mm Dimensions (Length x Diameter) 4.35 x 3.28 / 110.6 x 83.5 Weight 22.75 oz / 645 g Notes Image size: APS-C 35mm film equivalent focal length (mm) 27-88
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$ 1,029.99 |
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Shipping costs: $ 0.00
Availability: Available |
Buydig.com
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Canon EOS 30D W/ Canon Zoom Super Wide Angle EF-S 17-85 mm f/4-5.6 IS USM Autofocus Lens (Black)
The Canon EOS 30D brings proven EOS technology to a higher level, giving photographers an
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unbeatable photographic experience. The EOS 30D incorporates a host of features with Canon's highly acclaimed 8.2 megapixel CMOS sensor and DIGIC II Image Processor. The EOS 30D includes enhanced operational features such as a 2.5 inch LCD monitor, true spot metering, a durable shutter mechanism and Canon's Picture Style feature, all in an sturdy, magnesium-clad body. With all these new features the EOS 30D is truly perfection, refined. Key Features8.2 Megapixel CMOS Sensor Canon's large-area CMOS (complementary metal oxide semiconductor) sensor captures images with exceptional clarity and tonal range, and offers the most pixels in its class. This APS-C size sensor (22.5 x 15.0 mm) has the same 3:2 ratio as film cameras, enabling an effective angle of view that is 1.6x the normal EF Lens focal lengt
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$ 1,085.00 |
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Shipping costs: $ 0.00
Availability: In Stock |
Digicombos.com
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| Canon EF wide-angle zoom lens - 17 mm - 40 mm - Canon EF |
General
MPN: 8806A002, 8806A007
Length: 4 in
Diameter: 3.3 in
Weight: 17.6 oz
Lens system
Type: Wide-angle zoom lens
Special Functions: Wide angle, zoom
Focal Length: 17 mm - 40 mm
Lens Aperture: F/4.0
Optical Zoom: 2.4 x
Magnification: 0.24
Min Focus Range: 11 in
Focus Adjustment: Automatic, manual
Zoom Adjustment: Manual
Max View Angle: 104 degrees
Min View Angle: 57.5 degrees
Lens Construction: 9 group(s) / 12 element(s)
Filter Size: 77 m
Diaphragm Blades: 7
Lens Coating: Super Spectra coating
Mounting Type: Canon EF
Features: UD glass, internal focusing system, Ultrasonic Motor (USM), full-time manual focusing, rear focusing system, rear filter mount, aspherical lens, UD glass, internal focusing system, Ultrasonic Motor (USM), full-time manual focusing, rear filter slot, rear focusing system, aspherical lens, internal zoom
Intended For: 35mm SLR, digital SLR
Miscellaneous
Included Accessories: Dust cap, lens cap
Ciao
Listed on Ciao since : 10/25/2007
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Manufacturer's product description
The EF17-40mm f/4L USM is an ultra wide angle Canon EF zoom lens meant for professional and high amateur SLR EOS camera users. While it is an excellent lens when used with an analog SLR camera, the EF17-40mm f/4L USM is especially well suited for digital SLR cameras with an imaging sensor size smaller than the 35mm format. Indeed on such digital SLR cameras these focal lengths can give an angle of view approximately equivalent to that of a 28-70mm lens used on a 35mm camera, which makes it the ideal standard zoom lens. The EF17-40mm f/4L USM has 12 lens elements arranged in 9 groups. Super Spectra Coating on the elements ensures excellent color balance and minimizes ghosting and flare. To provide superb image quality over a 17-40mm zoom range the lens uses three aspheric elements of two different types, while Super UD (Ultra-low Dispersion) glass is used to prevent the chromatic aberrations that often can degrade the subject edge clarity. Minimum focusing distance is just 28mm throughout the entire zoom range. The Auto-focus works silently and quickly thanks to a fast central processing unit with an improved AF algorithm. You can override AF mode with manual focus should you wish. Controlled by an electromagnetic diaphragm, the EF17-40mm f/4L USM's circular aperture can achieve a more attractive appearance to out of focus background areas in a picture. The front of the lens does not rotate as you focus. This means, for example, that polarizing filters still function effectively as you zoom in and out. At the rear of the lens there's a drop-in gelatin filter holder. Highly resistant to moisture and dust, the EF17-40mm f/4L USM is ideally suited for use in harsh environments. Environment friendly lead-free glass is used throughout its construction.
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