Cheap Sigma 18-200mm f/3.5-6.3 DC Lens for Canon Digital SLR Cameras (Electronics) Price

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Customer Reviews of Sigma 18-200mm f/3.5-6.3 DC Lens for Canon Digital SLR Cameras

great and compact all-around lens
This lens is compact and lightweight, especially compared to the 28-200 Canon lens. Focusing is fast, although tends to hunt in very low light. Took it on my trip to Africa where I need at least 200mm zoom, but did not want to carry around a bag full of different lenes. I found this lens to be very versatile, although 75-300IS by Canon would have been better for most of nature photography because of higher zoom and IS (but it's also much larger than Sigma). With Sigma, picture came out nice and sharp, especially in good lighting conditons. Anyway it's size and versatiliy are unmatched, hence five stars.

Sigma 18-200 mm lens does it all!
The Sigma 18-200 mm lens has enabled me to stop from switching between my Canon 18-55 and 70-300 mm lens (avoiding potential dust issues as a bonus). The primary benefit is that for sporting events or band performances I can quickly get a large field of view (say the whole band) shot, then a few seconds later zoom in on my son for a close up of him WITHOUT switching lens back and forth. Works extremely well for outside sporting goods activities. For inside basketball games my Canon Digital Rebel XTs pictures depend on the lighting in the gym. Without a flash the gym lighting needs to be fairly bright, or for me to use a wide angle shutter priority shot (low f-stop number) picture to keep the speed up to avoid bluring the shot. When I use my flash (some refs allow it :-) I can get fairly good zoomed in shots of my other son/his teammates without motion blur (I have the Canon 580 flash - another great product). I have gotten pictures I never would have been able to get without this lens. If I had to do it over again I would have bought this lens first and waited on the 70-300 lens (more for extreme close up options / nature photography). <
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>Before buying this lens I had seen other posts that indicated (in general) these automatic lenses can have trouble finding the right focus distance automatically for a given shot. My feeling is that these out of focus pictures (some have occured for me) are due to the camera's auto focus system (typically a set of 'regions' in the auto focus system) are accidentally pointed at objects a different distance away from the camera than the subject of interest(your kid!) and that this creates some out of focus images at various times - usually when there is lots of motion (as in basketball games) and it is hard to always get the right focus. My solution has been to be aware of the cameras autofocus system (I started using a center point focus area only option on my Rebel - its helped). I also make sure that I prefocus the Canon by pushing the button down halfway with the active 'focusing region' on the basketball backboard say - then move the camera field of view down to capture an action shot and wait to squeze down on the shutter release button the rest of the way right when the player making a quick layup goes up for his shot. I've been able to get some awesome pictures of my son or a teammate in mid air making their layup this way. I also take lots of shots so a sporadic out of focus shot (where I muff the focus), bad expression, etc. can be skipped over in favor of the other really nice shots I have taken.