Sabtu, 21 Mei 2011

Canon EF-S 18-200mm f/3.5-5.6 IS Standard Zoom Lens for Canon DSLR Cameras

Compact, lightweight and a wide magnification range - this standard zoom lens features a wide focal length range from normal to telephoto equivalent to 29-320mm in the 35mm format. It features an Optical Image Stabilizer for up to 4-stops of effective correction even at full zoom. Since Canon's optical image stabilization system is in the lens, not in the camera, you can see the stabilized, steadier images through the viewfinder. And the circular aperture can give beautiful background blur effects. This new wide zoom ratio EF-S lens delivers excellent high-speed performance at an affordable price.

Color: Black Brand: Canon Model: 18-200mm Lens Number of items: 1 Dimensions: 3.00" h x 4.00" w x 5.00" l, 1.75 pounds Standard zoom lens; 18-200mm f/3.5-5.6 Canon's Optical Image Stabilizer technology allows sharp hand-held shots at shutter speeds up to four stops slower than otherwise possible 11 elements in 9 groups; aspherical lens element to correct aberration For EOS 50D, 40D, 30D, 20D, 20Da, Rebel XSi/XS, Digital Rebel XTi/XT and Digital Rebel cameras

Manufacturer Description Compact, lightweight and a wide magnification range--this standard zoom lens features a wide focal length range from normal to telephoto equivalent to 29-320mm in the 35mm format. It features an Optical Image Stabilizer for up to 4-stops of effective correction even at full zoom. Since Canon's optical image stabilization system is in the lens, not in the camera, you can see the stabilized, steadier images through the viewfinder. And the circular aperture can give beautiful background blur effects. This new wide zoom ratio EF-S lens delivers excellent high-speed performance at an affordable price.

Most useful reviews 220 of 225 people found the following review helpful. A great trip and travel lens for a very useful focal range! By ƒůŽźŸ ωŬ ≥ ζŷ ♥ ☮ ♭ ♩ ♪ ♫ ♬ ♮ ☯ ☺ Fuzzy Wuzzy Summary: ***** highly recommended by Fuzzy! Have used Canon EF-S 17-85mm 4-5.6 Image Stabilization USM SLR Lens for EOS Digital SLR's for about two years, this is the perfect focal length for use as an overnight tour lens on my Canon 40D. Other Canon gear that I have the good Canon EF-S 17-55mm f/2.8 IS USM Lens for Canon DSLR cameras, whose razor-sharp Canon EF 70-200mm f / 4 L IS USM Lens for Canon Digital SLR cameras, Canon EF 70 - 300mm f/4.5-5.6 DO IS USM Canon EOS cameras, the extremely sharp Canon EF 100mm f/2.8 L IS USM 1-for-1 Lens for Canon Digital SLR cameras, Canon MP-E 65mm f/2.8 1 - 5x Lens for Canon SLR cameras and Canon MR-14EX Macro Ring Lite for digital SLR cameras. A low light or wide angle shot scenario, this target is not as strong as my 17-55mm f/28. When used for shooting macro photography, such as butterflies and flowers, is not as strong as my 100mm f/2.8. When used with an 200mm focal length to focus on distant birds and turtles sitting on a stone in a pond is not as strong as my 70-200mm f/4L. But as a single lens solution to cover this type of focal lengths is quite good. On sunny days, I use this lens on a 40D with B & W MRC Multi Coated circular polarizer Kaesemann. I think this is a very useful trip / travel / lens unit, or if (like me) I hate changing lenses :-) return, or the arrest of moments, both wide angle and zoom situations is more important than getting the perfect shot by that multiple lenses and / or camera body. This is my first experience with a Canon lens that does not use USM and micro-motor is just a little slower and noisier than USM ... but do not know what to expect, I had even expected slower development, and in almost all situations, I found his discussion of speed perfectly adequate - still very fast and without hunting coming and going in low light, but my main criticism of this objective is that Canon does not use USM (who, what kind of marketing decisions there were, like me, why the 40D a 3, 0-inch LCD was asked, but retained the same 230,000-pixel LCD screen of 2.5 inches on the one of my main gripes with the 40D) - 30D know. For price, should a manual USM Canon to focus over time you have taken. But I have noticed that the price has fallen more than $ 60 since I bought the target of less than three weeks. With a zoom lock switch to prevent the flow destination is a very welcome addition, I have always wanted their 17-85mm and 17-55mm lens too. Why the 'goal 11 elements in this lens slips over a length much greater than my 17-85mm zoom lens when the camera is pointed down and hanging around the neck and / or other superzoom shoulder have this same problem and lens shift is likely that a compromise design that Canon's engineers have had to consider was still to minimize the friction and the force required to activate the zoom ring the propensity of the weight of the zoom lens to get the discount because of gravity. I learned to always flip the lock button the zoom when I'm carrying the camera, quickly move the zoom lock out as I start to aim and focus (after a short period of time, it becomes easy to use usual the middle finger or the ring of the right hand to lock / unlock the zoom control while trying to lock) and just keep the car flatter if I'm actively looking to shoot more. The lens does not rotate during focusing, circular polarizing filters to stay in place. Unlike Canon USM lenses, the design of micro-motor focus of this lens not allow you to override the auto focus mechanism are also continuing until first AF / MF switch on the lens, while the 17-85mm.

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