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I love the range of this lens: how it can go from wide angle for landscapes to a pretty decent zoom. It auto focuses pretty fast and quiet. It is real compact and easily fits into small camera bags. The lock for the zoom mechanism is handy wen storing. The optics are nothing special but much better than a kit lens. The front head doesn't rotate, so you can use polarizing filters, filter holders, and the included petal lens hood. The build quality is sturdy and has a metal mounting ring. The negatives are few but for the price compared to an "L" series lens you get what you pay for. The problem is the speed: The widest aperture is 3.5 in 18mm but zoomed to 200mm it goes up to about f6. This isn't a problem at all on sunny out door conditions, but if you are going to shoot sports indoors without additional lighting you will be needing a different, faster, L or IS lens. Overall, I rarely take this lens off my camera, it works so well in diverse conditions. It's definitely worth the money, especially when compared to the prices of competitive zoom setups. I chose this one over the 28-300mm because I wanted the real wide angle for my 20D. If you take care of this lens, it should last a long time.Read full review
I scored quite a deal for the Quantaray version of this lens. Some of the Sigma lenses are rebranded into Quantaray (among other brands I think) lenses with exactly the same optics and most of their external design. Looking for these deals might be a good idea if you don't mind what the tag on your lens says and you wouldn't mind the savings! I have had a Sigma version before and after using and selling it at one point, I missed the quality of this superzoom... and visited my buddy Mr. E. Bai. Having a superzoom is nice for obvious reasons, but when you shoot mainly a larger 1D/1Ds body, getting one for your backup cropped body will make you feel like you've been freed by the compactness. I've shot with superzooms for fullframe back in the day and these new ones are really getting better (and OS/IS/VC?!?). I think people now most often mistaken all superzooms to be too much of a trade off for image quality. Certainly, there are compromises with image quality, but it really is not that much, especially for the casual shooter (you're not going to take this out for a paid shoot anyways!) You really have to try this one out to appreciate the progress. Anyhow, I've used similar lenses, including the Canon 18-200mm IS. I find the Sigma sharper at focal lengths I care about and better built... oh yeah, and cheaper. Pick up a bargain one and free yourself of lenses and gear!! (at least some of the time). **UPDATE May, 2009: Just thought I'll let everyone know that this puppy is made for 1.6x field of view crop digital bodies (50D, 1000D, 500D, etc.), i.e. DSLRs with an EF-s mount. HOWEVER, it actually has an EF mount to fit on older cropped bodies before the EF-s mount was introduced (e.g. 10D, D30--not 30D, and older). AND THE MAGIC HERE is that I have mounted it on my Canon 1Dii (1.3x crop and EF mount only) and got pretty good results from it. Correctable vignetting starts at about 24mm (this is by memory I'm afraid), where as from 18-24mm, you get a darn good wide angle but some vignetting near the extreme corners that are not correctable (black corners). This can be for effect? The biggest deal here is that there aren't many EF 24/28-200/300mm superzooms out there with image stabilizer made for fullframe cameras or the 1D (I think there is only the Tamron 28-300mm VC). So this might be a viable way to get a superzoom for a 5D, 1Ds, or 1D if that floats your cool boat... after all, 18mm to 200mm is pretty darn cool on fullframe/1.3x. Hope that helps.Read full review
I have used many Canon Lenses including the 17-85mm IS USM, 28-135mm IS USM and the 18-55mm IS USM Lens. The Sigma 18-200mm OS Lens is better than all of the Canon Lenses i have used, the optical stabilization works well and the lens produces clean crisp images. This lens also performs very well in low light conditions and indoors under fluorescent lighting, the auto focus is fast and accurate, the focus ring is a bit stiff but other than that it is mechanically sound. The lens is quite big and so carries a bit of weight, i like heaver lenses as it feels good to have a bit of weight in front of the camera. As for construction i would say it's not far behind the Canon L series lenses, it's priced well at about $330 New and $285 used. This is a Great Zoom Lens for everyday use and i strongly recommend it above the other models i have listed.Read full review
I purchased this lens for several reasons. First, I wanted a good all purpose lens that I could afford. Second, I needed one with OS. Be aware that this lens comes in two different sizes. The one I bought first was the 62mm because it was lighter, but didn't have OS. Most of my photos came out blurry unless I used a tripod, which is not possible in every situation. Somehow the lighter 62mm did not balance well with my Canon 500D. The 72mm which I now have is much heavier, but the weight of the camera and lens balance each other out very well, giving me nice clear photos. The advantage of using this one lens for most situations is that you have less chance of sensor dirt getting into you camera, especially when doing outdoor photography. This is really a great lens for the hobbiest as it won't break the bank, and will pretty much do what you want it to, from wide-angle to macro.Read full review
Great lens. I'm an archaeology student and filming my first archaeological documentary called "Inside Jerusalem" through Archaeology101.me - shooting with a Canon 7D and filmed a walk through Hezekiah's tunnel and replica inscriptions under the ancient city of Jerusalem with the 18-200mm f/3.5-6.3 DC OS for Canon lens plus a Merlin Steadicam. The footage turned out great and quality is excellent in HD on my iMac/Final Cut Studio. The lens is massive and strong and really produced a nice image - I've filmed with Canon wide-angle and Nikon 50mm in this project, and value the Sigma as well. Great price also as I'm on a limited budget. Obviously, low-light issues, but if well lit great lens. Also, used it for some general archaeological photos during site surveys and other...great all around lens and zoom features come in handy for "walk-around" type photography. But if you want a lens for portraits or interviews (for filming) I like a Canon or Nikon 50 mm. Don't hesitate to contact me if you have any more questions. regards, Pete KovacsRead full review
As a professional photographer for over 40 years, I came into the digital age kicking and screaming all the way. I now use a Canon 20D for most of my documentation photos. I have used the 18-125 extensively since it first came out and decided to get the 18-200 as a back-up. I like the idea of a little more oomph at the telephoto end. I have been impressed with both, the shots are sharp, clear, with good contrast, the close focus is impressive and the fact that you don't have to change lenses (which introduces dust to the sensor)as often makes it ideal as the main lens for your camera. I only wish it had a faster aperture. For very low light,fast action situations, f/6.3 is pushing it. Overall, it is one of the best lens buys you can make and I highly recommend it.
Thi is a great lens. It covers a wide range of mm, from 18 (so I have a wide angle) to 200mm (so I have great zoom; all in one lens. This lens replaces 2 lenses on my camera bag, making it easy to walk around with les weight. The picture quality is great and it has a fast focus motor on it. I'm very happy with this Sigma lens.
Unfortunately, there is no "perfect" lens out there. With a lot of research into zoom lenses that met my requirements, I finally decided this Sigma was the best compromise available. I wanted optical stabilization, a wide zoom range (35mm equiv. 30mm - 135mm min.), decent optical quality, and a sub $500 price. Other lens models beat this one in some ways, but none could match or exceed all requirements, especially price. The "excellent" rating I gave is relative to the same type lenses available for a Canon EOS Digital model. Now that I own it and have used it for a month, I generally like it quite a bit. I use it on a Canon 60D and an older 20D mostly for scenic and wildlife photos. Its optical quality easily beats my older 18-200mm non-OS Sigma. It is the first wide range zoom I have owned that has good optical quality at the long end of its range. Usually the upper 25% return mediocre results and often seem to be unusable beyond snapshot size. Focus is quiet and fast. On the cons side, it is a little heavy (most are) and the zoom ring is a little stiff (no creep though). If you want a single walk around, do most everything lens, then in my opinion this or the Canon 18-135mm kit lens are the best choices. If money is no object then happy hunting.Read full review
Purchased the Sigma 18-200mm zoom lens for my Canon EOS-30D because of excellent recommendations of Sigma brand on quality and reliability. I was well pleased with the lens after using to photograph an air show where the OS feature was very handy. Best of all tho, is the fact that I can use this one lens for wide angle to long telephoto shots without having to change lenses. The ease of use is unbeatable. This is a great buy for anyone on a budget. Only one minor complaint; having to remove the flower sunshade in order to change filters, but nothing I cannot live with. Excelllent product and service.
I wanted to buy an all purpose lens for my Nikon D200 but didn't want to spend too much money at this time. I would love to have the Nikon 18-200MM VR lens but the price was a bit out of my range. After reading several reviews on this Sigma lens, I went to my local camera shop and played with it for for few mins and decided to buy one here on eBay for a lot less money. I love this lens and it take great pictures. I recommend this lens for anyone looking for a multi purpose lens. Time owned, 3 months.