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Jumat, 16 September 2011

Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera

Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera
Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera

Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera

Price : $1,249.00* (on 4/23/2013)
Code : B003HC8V9A
Rating :
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Specification


Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Nikon Digital DSLR Camera http://www.greatific.com/sigma-70-200...,The Sigma 70-200mm f/2.8 EX DG APO OS HSM for Nikon is the ... of this large aperture telephoto zoom lens now ... for camera shake. Two FLD ...,Sigma 70-200mm f/2.8 APO EX DG HSM OS FLDLarge ... ex dg hsm os fld large aperture telephoto zoom lens ... Standard Zoom Lens for Canon Digital DSLR Camera ;,... (FLD). The maximum f/2.8 aperture is ... "The Sigma 70-200mm F/2.8 APO EX DG OS HSM ... I think the Sigma 70-200mm F/2.8 HSM telephoto zoom lens with ...,Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera bylSigma For 949 sold by amazon. Great telephoto lens and ...,Vast samples galleries and the largest database of digital camera specifications. ... 70-200mm F2.8 EX DG OS HSM ... Lens Mount: Canon, Nikon, Pentax, Sigma, ...,... Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon ... Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera ...,Sigma's New APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now ... My Sigma 70-200mm f/2.8 at 110mm ...,Large aperture telephoto zoom lens incorporating Sigma's original Optical Stabilizer function This large aperture telephoto zoom lens, incorporating Sigma's original ...,Vast samples galleries and the largest database of digital camera ... SIGMA APO 70-200mm F2.8 EX DG OS HSM. ... HSM.This large aperture telephoto zoom lens ...




Product Details

  • Size: none
  • Color: none
  • Brand: Sigma
  • Model: 70-200mm f/2.8 Canon
  • Number of items: 1
  • Dimensions: 3.40" h x
    3.40" w x
    7.80" l,
    2.50 pounds

Features

  • Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 100 to 300mm with most cameras
  • Offers Sigma's OS System (Optical Stabilization) allowing handheld photography even in low-light situation
  • HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
  • FLD glass elements with performance equal to fluorite glass for compensate for color aberration











Product Description

Sigma's New APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma's Optical Stablization function, OS, Sigma's own anti-shake system. Two FLD glass elements, which have the performance equal to fluorite glass have also been added along with three SLD glass elements, all which provide excellent correction of color aberration. In spite of the additions of all of these features, Sigma has managed to make the lens more compact than its predecessor, measuring only 7.8" in length. For any serious photographer where the 70-200mm focal range is often the most important second lens to own after the initialstandards lens or mid range zooms. The fast aperture is extremely useful and important in low light environments or when shooting fast moving situations where a higher shutter speed demands maximum lights thru the lens. HSM ensures quiet and high speed AF as well as full-time manual focus capability. Super Multi-Layer lens coating reduces flare ghosting and assures high image quality throughout the entire zoom range. It has a minimum focusing distance of 55.1 inches throughout the entire zoom range and a maximum magnification ratio of 1:8 The rounded 9 blade diaphragm creates an attractive blur to the out of focus images. This lens is equipped with a petal-type hood. Its exceptional versatility as an all-around lens is perfect for journalists and wedding photographers. This latest







Customer Reviews

Most helpful customer reviews

129 of 135 people found the following review helpful.
5Excellent 70-200 2.8 lens, but not perfect.
By TxJava
Actual score: 4.5 stars12/15/2011 - Update. I've had this lens a whole year now and still love it - more every day. It is solid, fast and accurate. I'm kind of sorry I seem to have started quite a stir in my description of the Stabilization sound. It really is not bad at all. It was more of a first impression. No regrets on this lens.I also have a TOKINA 11-16 f2.8, and a Canon 17-55 f2.8 These three lenses are all I need for quality shooting from ultrawide to telephoto. -TXJAVA2/1/11 - update. Official price drop. New price now $1399 - that's more like it... If you have been on the fence with this lens, time to give it another look. I still love this lens. -TXJAVA12/15/11 My apologies in advance for a long review. There are not a whole lot of reviews out there for this lens so I'm hoping I can help some others make a good decision. Summary: It is a great Lens, but perhaps not for everyone.I have been watching this one since it was announced. I tried it out at the local Camera shop and fell in love with it. I decided at that moment, I was going to own this lens.The initial drawback was always price. At $1699 (sixteen-ninety-nine) it seems a bit high. Yes, this is a quality lens with a 2.8 constant aperture throughout the zoom range and a very good OS optical stabilization (IS in Canon's terminology) but at that price it is only a few hundred less than the highly rated excellent Canon 70-200 2.8 IS ii. So I've been waiting patiently for the price to move.Well one day, quite unexpectedly, the price at the "B" Camera vendor was $350 (three-fifty) less. Suddenly, at $1349 (thirteen-forty-nine) it was near my strike price (I think the lens should sell for $1200 or so). So I watched to see if the "A" internet vendors would match. They did not. I knew this was less that wholesale for the lens, so I ordered one from the "B" vendor. (The next day the two "A" vendors matched the price - Sorry Amazon, you were not fast enough). The lens arrived a couple days later, VERY well packed. With Amazon, packing can be a bit hit or miss. By the time the lens arrived, all the vendors were priced at the original $1699 (sixteen-ninety-nine). Hmmm, maybe it had been a price mistake.So enough of that - What do I think of the lens? I still love it; however, there was something that I had not noticed in the store. When the OS system started up (1/2 press of the shutter key), it made a fairly loud click and then the Gyros sounded like very distant fire truck sirens. I literally though that there was a fire truck outside. But it turned out to be coming from the lens. Mind you, it was not loud, but it was disconcerting. I own the excellent Canon EF-S 17-55 2.8 IS and the IS system on that is near silent. I've been spoiled by that lens. I went down to the camera shop to see if their copy had the same sound. It did have some OS sound, but I had not noticed before above the ambient sound in the store. The store model did not sound like my copy. So I called the "B" Vendor and they quickly sent me a new lens.The new lens arrived today and it too had the OS sound but not as noticeable as the first copy of the lens (I was able to compare side by side). Is the sound bad? No not really, but it is different than the low level "whurl" of the Canon IS system.That said, the OS system does work very well. It is especially nice at the tele- end of the zoom. You can really see that camera shake through the viewfinder, and then you press the shutter release ½ way and suddenly it locks into place. Very nice, very cool. I have been able to take nice sharp pictures as low as ¼ second - and that is at the long end of the zoom. Impressive!The rest of the build quality is very good. Both the focus and the zoom rings operate very smoothly and with just the right amount of resistance.The lens is heavy (over 3 pounds). The rebel series cameras will benefit from the extra holding power that the extra battery grip offers. It comes with a tripod collar so you can use it on a monopod. A lens hood included (wish Canon would include hoods with all their lenses) there is even an extender for APS-c crop sensor cameras. However, I don't intend to use it.The pictures I have taken have all been great. It is a bit soft at 2.8 (as many lenses are), but still within my tolerances. The 2.8 aperture really helps for indoor shots. It is great because you can sit across the room and shoot away without bothering those in the room. F4.0 lenses just do not give you enough light for indoor shooting, especially sports. Seems like it would be a great lens for weddings and other indoor events. As for picture quality, I've seen some web reviews that compare this with the Canon and the Sigma comes out pretty good. I do not see any CA at all on my copy. Focus is fast and accurate with no front or back focusing - it is spot on. It is not as fast or quiet as the canon, but still focus motor is still very good. You also have full time manual focus override. So for those of us who are mere enthusiasts or hobbyists this is a great lens to have for the all-important 70-200 tele- range. Pros might want to stick to the Canon version.All and all, this lens is a keeper. It takes great pics, the OS is very effective (although a bit loud) and the nice 2.8 aperture really shines. Lastly, one of the real reasons I got this is because it is black. You are already conspicuous when you have 8" of lens hanging off the end of your camera at your son's basketball game, or your daughter's rehearsal. You really start to look ridiculous when you have 8"s of a white and black striped Canon lens. (I know I have lost some of my credibility with that last statement, but I just prefer black lenses...)So the choice is yours. If you are looking for a lens in the 70-200 or 75-300 range, save your money up for a fast 2.8 version with stabilization, you will not be sorry. Those less expensive f3.2-5.6 or lower lenses are just not as practical as a good 2.8 lens. If you can afford the Canon and don't mind the black and white stripes, by all means get it, otherwise, get this one, you will be very pleased that you did.One of these days, i'll upload some pics.

45 of 46 people found the following review helpful.
5Magnificent lens from Sigma
By A. Meador
Probably like a lot of you right now, I agonized over this decision for about a year. As a Canon shooter, I have the good fortune to be able to outfit with an enormous range of the very best telephotos made. For around the same price as this lens, I could get the Canon EF 70-200mm f/4 L IS USM, one of the sharpest if not the sharpest lens produced in this category. For a whole lot less I could get either the f/4 or f/2.8 in non-stabilized form. And of course, the gold standard of photo journalists, the Canon EF 70-200mm f/2.8L IS II USM, albeit for a cool extra grand. There's even the excellent Canon EF 70-300mm f/4-5.6L IS USM. What follows is yet another of my ILWR's (incredibly long winded reviews), make yourself comfortable!So, why consider a third party lens at all? Well, if you're here you know it's because of the magic of f/2.8. All of that glass gives you twice the light of an f/4. We're also not all made of money. $1,000 extra is a lot of coin for a lens, especially when your livelihood doesn't depend on it. There are definite advantages to the Canon (or Nikkor) brands. Metal builds. Weather resistance (not waterproof). Guaranteed forward compatibility. Peace of mind. Oh yes, and that red ring for Canon shooters.That said, I've come to like the Sigma brand as of late. They're upping their game and producing some of the very best macro lenses on the market, and a huge range of UWA lenses for crop-sensor cameras. I've had great luck with my Sigma 10-20mm f/4-5.6 EX DC HSM and Sigma 17-50mm f/2.8 EX DC OS HSM FLD . Since I'm lacking a good lens with range and speed, a fast telephoto seemed in order. I honestly invested in Canon to own one of those gray beauties, but wanted to keep an open mind (and less open wallet) when it came to a new lens.So, I read every single review I could lay my hands on. I even brushed up on my German! I asked people on photo forums for every thought and photo they'd post. In Europe, this lens is garnering rave reviews, winning awards and placing incredibly well in comparisons. In the end of course, it comes down to "going rogue" or sticking with the known commodity. Emboldened by my recent experience with the Sigma 17-50, I took the plunge.That said, this lens is far and away better than I ever imagined. When it comes to reviews and reviewers, the top of the line lenses by Nikkor and Canon have obviously jaded everyone. The bar is set incredibly high. Remember that when Sigma introduced this lens, the first generation lenses were the target. And here, Sigma succeeds in spades. It's only when compared to the second generation it has some shortcomings - but it also succeeds over its competition in places.The optical traits of this lens are complex, and when examining detailed MTF charts and other data, I'd agree with a lot of it. But where the rubber meets the road so to speak - optically this lens simply stands up to comparisons, period. I was fully expecting to see softness at f2.8, weak edges and poor contrast. Well, if you have to A/B photos with the EF 70-200mm f/2.8L IS II at 100% to see the difference (and you do), then the Sigma has already won the first round. Seriously, this lens is quite sharp at f2.8 (especially from 100-200, which is at odds with some review MTF charts), and then at f4 competes with pretty much anything. The big weakness I've found exists around f2.8-5.6 at 70mm, and that's red CA on distant (<50') contrasting objects. The flick of a slider, or using the lens's filter in Adobe RAW or Lightroom solves it. Really, I'm guilty of pixel peeping in the first degree, and scan around my shots at 100% far too often. Not only is this completely unrealistic, but extremely gratifying when I can't find anything to complain about! Once you move beyond 70mm - say 135 up this lens is amazing. Photos of flowers at f2.8 reveal every single hair on a honey bee, and all the little crystals of pollen on its legs and the flower stamens. And it gets sharper from there? Wow.Okay, optically this thing rocks. But really, where are the shortcuts? I'll continue to outline the characteristics of the lens in sections to give you my thoughts (such as they are) of tradeoffs and omissions.IQ:The lens is sharp. Some very minor softness is exhibited at the edges, and more in the very corners of an image depending on focal length. According to charts, there are certain focal lengths + apertures where the center is actually softer than mid-frame, which is sharper than center frame in other places. As I mentioned, it has complex optical traits. Have I personally found those places and said "oh, look!"? No. I'm still looking though! There's a lot more to a good lens than sharpness.Color and contrast is wonderful. If you own any Sigma lenses, the color has the same warmish cast - which I've come to prefer over Canon's slightly crisp-cool blue coloration. Care needs to be given working wide open however, and attention given to your histogram. I find it a bit more sensitive here than my 17-50 f2.8, but just a bit.Distortion is negligible. I've already mentioned CA, which is one of the few things that annoy me with any lens. It's absent for most of the range and apertures. If you point the lens at the sun, you will get flaring. It's most noticeable again at 70. I don't believe it's any worse than any of the other 70-200 fast lenses; it's going to happen with that many elements in a lens. Shooting in the general direction of the sun poses no issues. Unlike many telephotos or poorly coated lenses, work against reflective and bright objects is not a problem.Bokeh, it's marvelous! This really rivals some of my older primes. This is something I've personally always deemed secondary for image quality in a zoom. But when you've got it, it's noticed and appreciated. Foreground and background images blur wonderfully, you can just see that plane of focus simply slicing through your image. There's no etching, busyness or vortex effect. Light reflections are frosty and shimmer, just hanging in space. Colors blend effortlessly. The end result is far better than I ever expected here.Low light performance is great. There's something that's really hard to pin down, but it's more than just romanticized. Yet it's accurate. I was taking photos of flowers in our backyard just at dusk, the sun was down but in the summer evening the light was wonderful. Somehow this lens caught it. I was floored. I took pictures the following evening with 2 other lenses and this one, and got the same effect only from the Sigma. Somehow it just gets the color of the light, and you just know when it was. You can feel the dense air and stillness of the moment. Simply magical. Could you get the same effect in PP? Probably, especially if you had a shot from this lens to compare it to! That sounds silly, doesn't it? Indoors, you can capture images with only the slightest light coming in from the windows. Here again, by not having to crank up the ISO, and dropping the shutter speed, the ambiance of the moment is yours for the taking. This is all enhanced by the creamy dreamy bokeh of the wide-open lens and the abilities of the OS. This lens will be pushing your creative buttons with a heavy hand.BreathingJust a word about lens breathing. When I purchased the Sigma, I was also testing the Tamron AF 70-300mm f/4.0-5.6 SP Di VC USD XLD. In comparing the 2 lenses (which I did heavily for a few days), the close distance difference was quite noticeable on the Sigma. This may or may not drive you nuts. To me, if what I see is what I get, I'm fine with it. But, if you compare the shrinkage to another similar or fixed lens, be aware that you'll lose reach. It seems most noticeable at 70mm, but is apparent throughout the range. To offer an unscientific guess, I'd say it's about a 20mm loss. I believe it's in good company with the Nikon 70-200mm f/2.8G ED VR II being about the same in that regard. Not many mention this, but it is a weakness of the lens and is worth noting.OSSigma's Optical Stabilization is very good, but not amazing. Smooth handling pays off, sloppy shooting is not entirely compensated for. I have easily managed shots down to 1/12, but alternately, have had some with obvious motion blur at even 1/60. I have not used setting 2 for panning yet - but will insert my thoughts when I give that one a spin. I'm quite sure a lot of what I'm experiencing has to do with the weight of the lens. Other telephotos I've used seem better, but they also weigh a fraction of the Sigma. When initiated, you'll detect a slight jump in the viewfinder, and a very subtle "clunk" as it engages. Complaints about "noisy OS" should be taken with a huge grain of salt. The OS remains engaged for about 2 seconds and shuts off with a similar clunk. While 3.15 pounds of lens doesn't seem like much at first, fatigue does set in after a while. Consider a good monopod or similar if dedicated shooting over a period of time is anticipated.Unfortunately for Sony and Pentax users there is no version without OS available. I know some that have gotten the Sigma 70-200mm f/2.8 EX DG HSM II Macro for this reason. Even more unfortunate, the OS lens is a complete redesign optically, and IMHO far superior. Only you can judge if it's worth the $400 upgrade. It really is a shame that Sigma doesn't make a version without the OS in these mounts for a little less. I have a feeling though that people would then be complaining there's not a "non-OS" version available for Canon and Nikon! So, Pentax and Sony users get the short shrift on this one.Build QualityThis is where you'll notice some of your $1000 savings. But, it doesn't seem like it. The build is tight and solid. It's plastic. Solid and dense plastic, and I don't mean to be facetious. Tapping on the broad section of the barrel gives off a telltale slight hollow sound. That aside, overall the lens has a "built of a piece" feeling to it. In this regard it holds up to the competition very well. Unlike the first versions of this lens, mine is completely "new finish". It's a silky, smooth finish that seems unfazed by fingerprints. Most review copies (or as shown in photo here) had combination old and new finish. The focus and zoom ring portions of the barrel had the old flat finish, giving it an odd 2-tone appearance.To back up even further (if you don't know), Sigma's originally had a sort of matt "crinkle" finish on their lenses. This was excellent at disguising the plastic, and many assumed their lenses were metal. It had a nice felt-like appearance, and slight insulating properties. However, the old finish was supposedly prone to wear or peeling. While this never happened to me, I can say that the old finish is extremely difficult to clean and keep clean. I'm delighted with the more homogenized aesthetic now that I've seen it, and I'm positive it will wear better over time.The metal mount is solid and well machined (at least the Canon version), and connects smoothly and effortlessly. The interior of the back element is finished with black ribbing up to the glass element. The front element goes right to the edge as you would expect, it conveys every single one of its 22 elements. Looking into the eye of this lens really is a sexy experience! It positively lights up. New for Sigma, and now carried over on their 50-150 f2.8 OS, the focus group is placed to the rear of the lens. The zoom ring is prominently placed forward - which may or may not be an issue for some people.The lens is not weather resistant. That's probably the biggest trade off. And one I happily relinquish. If you're livelihood depends on your camera, then it makes all the sense in the world to get the best lens money can buy for your body. You don't know where you'll need to be and when to get "the shot". For avid photographers and hobbyists it's the same. If money is no object and you don't want to come in out of the rain, by all means get the very best. I'm fairly confident though that this lens will not be affected by a slight misting or spray. And no lens is sand or dust proof, so caution is advised in any outdoor situation with any lens! I've read too many sad stories about sand in L lenses. A clear filter may be in order on these occasions: Marumi DHG Super Digital High Grade MC Lens Protect Slim Safety Filter 77mmHandling and OperationOccupying the forward position, the wide zoom ring is smooth as silk. It's completely linear with zero variation in friction, and a delight to use. The ring turns counterclockwise to go up, right or wrong depending on your platform! Just behind it is the narrow focus ring, which also offers just the right amount of resistance and silkiness. It rotates about 120° with a soft stop. Focus distance is displayed on the scale window - accuracy is yet TBD. The zoom and focus ring have slightly different sized/spaced hard-rubber ridges; the result is the zoom ring feeling a bit "sharper", a nice Sigma touch. Nice not because that's unusual, but because visually they look nearly identical which helps streamline the look. Most other lenses have decidedly different looking rib patterns. However, since the focus ring is so narrow, there's little chance you'd mix them up even if they were identical. It will take some folks a bit of time to adjust to the forward zoom position though.Sitting on a raised section and held by 4 screws are the 2 switches for manual focus and the OS off and on positions 1 & 2. The switches operate in a precise and positive manner; I don't feel these will suffer accidental switching when pulling in and out of your bag. All in all, you won't really see or feel anything that seems like corner cutting here. The balance of the lens is something worth noting. Mounted on my 60D (24 oz.), the balance of the lens is almost perfect if the fulcrum point were just forward of the collar. Add another 2-4 ounces and you could literally balance it with one finger under the mounting point. So basically, right where you'll be grasping the lens in a "one-handed mode" the balance is 50/50, which makes a huge difference. I'm sure this is not accidental, and it is greatly appreciated. This is not something I'd expect on a "budget" lens. Bonus points! I have 3 Sigma EX lenses, and as nice as they operate, this is the first one that I'd put against an L lens for overall feel.Possible omissions here would be a focus limiter switch, and a switch for range. The first isn't really necessary depending on your body or platform. You can usually limit excessive hunting through the menus. With this lens it's really not an issue with a modern body. The second switch however could be helpful. Again, I've not had any focus issues when shooting near objects, if you'd call it near. One downside to this lens is the minimum focus distance of 55.1", or about 4.6 feet. I'd say it's closer to 5 if not a bit more, but I haven't measured it. I can say I've had to step back several times to be able to achieve near focus.AFThe operation of the HSM is near flawless, it's fast and accurate. The Canon lenses are notably faster from infinity to near focus, and back again. 50% faster? Maybe, but that's about it. While this looks really great on paper or youtube shootouts, I can't think of many times where I've gone from one distance extreme to the other, and frequently. If you tend to shoot: wife, moon, wife, moon, wife, moon and time is of the essence, then perhaps this is the wrong lens. Or, if your paycheck depends on catching unexpected and sudden shots. Once you're anywhere near a given range, the focus is plenty fast going from subject to subject or tracking. The performance of the HSM really is another highlight of this lens. I've not experience one time where it's been off or missed. No issues with front or back focus which is great, since my camera can't MFA.Focus Testing Methodology4 types of focusing methods have been tried and proven on this lens. The first and foremost is single center-point (one shot) focusing. Back to back, dozens of shots at a time at various lengths and apertures. This was done to see if focus is consistent and accurate every time. It is. Subjects included dogs, the S.O. (who likes getting her picture taken up to a point), flowers and plants, landscapes, dogs, brick and stucco walls and dogs. These were all shot between 6'-60' mostly, with some leaning towards infinity. Additionally, the standard battery test was implemented to see if there was any tendency for front or back focus. There is not. Ambient/low light tests were also tried to check for hunting. No issues were found here either. Pretty much if you can see it, and you can get the shot handheld, there are no issues as far as locking on. No further tests necessary here.Second was multi-point focus (selected) for accuracy in corners. No issues. Shooting involved the same subject matter as above. Just as fast and quick to lock on as center point. The third focus tests involved AI servo and burst mode, to see if there were problems tracking - and to check for speed as well. Keeper rate is about 90%, most problems were deemed user error. It's so hard to find good help. This lens would probably be good for (close) BIF shots in skilled hands with the appropriate body. For motorsports it's a natural. Of course it will absolutely shine for indoor sports such as basketball or outdoor sports like soccer and baseball. My humble little 60D however is no match for the lens. I'm sure things would only improve with a 7D, a 5D mkiii or a D800 for that matter!Finally we have live mode. I've tried live mode in daylight and *very* low light conditions. Contrast detection by nature is slower, so speed really isn't something any lens excels with here. The Sigma has no problems in brighter conditions, but when things get really dark , past handheld , the lens noticeably slows . It also for the most part will go past its focus point and then go back, but always on the first pass. In this regard, it behaves as every other lens I've used with my body anyway. Since live mode is so camera and system dependant, it may behave completely different on your body.GoodiesAs with most Sigma lenses, you get everything you need to start enjoying your lens immediately. It comes with a hood, and a hood extender for crop sensor cameras. I have left that in the box, the hood is big enough to deal with. As with the 17-50, the hood throws some folks. Simply line up the "in" arrow with the dot on the lens and rotate. When it stops, rotate a bit harder and it will snap into place with a nice firm click. Sigma includes a high quality zippered hard padded case for storage, with a carrying strap. Also included is their excellent tripod mounting collar. It's easy to use and take on and off literally using only one hand. The finish is a nice silky smooth dense coating on metal, with a polished anodized metal band on the ring's interior for a scratch-free mating. Lines on it correspond to lens markings for horizontal and vertical use. I can say this absolutely blows away the Canon collars. A center pinch lens cap and back cap finish off the package.Pros:* Fantastic build quality* F2.8* Great sharpness at f2.8* Amazing sharpness throughout* Great color and contrast* Fast AF* Smooth and easy operation* Optical Stabilization* Great balance* Hood, case and tripod collar included* 4 year warrantyCons:* Weight* Lack of weather resistance* Plastic build* Minimum focus distance of 55.1"* Reversed hood on lens makes operation impossible* Third party (possible future compatibility issues)* No version without OS for Pentax & Sony users* No gray body and red ringYeah, that's it. I'm almost done. I'll join the chorus of "what took me so long?". This lens is remarkable, and in places the performance is off the charts. Certainly a lens of this type really is a personal decision. A 70-200 is most often a second or third lens of choice for the avid hobbyist. But when you need one, you know it. If I were shooting as a pro (which I do, but not with this type of lens) I'd lean towards the best Canon or Nikkor lenses without a doubt. You don't often get second chances if you're a photo journalist. They're rugged and dependable, and can go anywhere. The AF will work fast and flawlessly on their given platform. They will continue to function day after day after day in all conditions giving consistent results.For a lot of us though, this may not be the #1 go-to lens in our arsenal. In fact, the cameras might not even come out until the weekend. But if you're shooting a Niece's wedding, capturing your Son's soccer game, or snapping the Grand Daughter's piano recital Saturday night - this lens is p-e-r-f-e-c-t. The money saved will buy you a lot of extra equipment. Or one trip to the orthodontist. Also, if you're shooting a crop sensor camera, check out the Sigma APO 50-150mm F2.8 EX DC OS HSM. Its performance on cropped sensor is as good and potentially better on crop. It's a bit less expensive, and visually identical to this lens. A heck of a bargain if you intend to stay with cropped sensors.If you're just starting to look, dpreview.com and lenstip.com are good beginning points. Both of these sites have photos and charts to compare. Dpreview has a particularly informative interactive chart where you can choose the lenses and camera bodies. You can pit the Sigma against first and second generation Canon and Nikon 70-200 f2.8 lenses. This chart will show how close and at times even better the Sigma can be, and also how much of an improvement it is over the first generation f2.8's from Canon and Nikon.Again, there's always the caveat of a third party lens and forward compatibility. That said, and without the slightest hesitation, I give this lens 5 stars. If all things were equal (and they're not), the Canon would get 5 stars and this one 4.5. The performance and value of this lens is simply off the charts for a "mid level" enthusiast lens. I look forward to see what's in store from Sigma in the future. They've hit it out of the park with this lens in so many ways. Thank you Sigma! And thanks for sticking with me. There's a lot of good lenses out there, you can't really go wrong with most. But you can certainly save some money if you want to, and still get an amazing piece of equipment that will keep you happy for many years. I hope my thoughts on it will help you make an informed, confident decision!

43 of 45 people found the following review helpful.
5Only 9 reviews? No way...
By amagad
I caught the photography bug (again). I have a Canon 60D body and slowly regaining my collection of lenses. I have a Sigma 50mm which I got due to the great reviews. Initially I was skeptical on the Sigma brand but now I feel more confident with Sigma so I ordered the Sigma 70-200 I also have a Canon 100mm macro and a tokina 11-24. I've been hunting around recently on craigslist waiting for the opportunity to get my hands on one of these lenses but everyone is saturating the market with the non OS version of this lens. I had to pick up this lens, I've had it in my amazon shopping cart for a couple weeks already just waiting for amazon to carry the lens so I can take advantage of the awesome 3.99 1 day shipping (I LOVE AMAZON PRIME.)Here are my thoughts on this lens after extensive shooting throughout the day.Bokeh : 5 StarsThis lens has incredible bokeh, at 9 aperture blades, it really blows the background quite nicely with beautiful bokeh balls. I love how it really brings out my subject.Construction Quality: 4 StarsThe construction quality on this lens is good but not excellent. The overall feel is solid, the barrel of the lens is made of hard plastic. The focus and zoom rings have the same textured feel of the O.G sigma brand. It looks a bit awkward but unique at the same time. Even though the construction of the lens is made of plastic, it feels durable and not something you have to baby.Optical Stabilization: 3 StarsThis is too bad. For the extra amount you are paying for this lens vs the non OS version, I really don't think the extra 400 dllrs is really worth it. I tried both modes and none of them really make you say OH WOW! I've had some image stabilized lenses made by Canon and I did not get that excitement as I had with those lenses. Let's just say for comparisons sake, the "Optical Stabilization" is half of that in a IS in a L lens, still useful to a certain degree though.Auto Focus: 5 StarsThe first thing I did with the lens is test the auto focus, I wanted to make sure that it is in sync with the auto focusing points of my Canon body. It kept up quite nicely and it didn't search for my focus points even during low light conditions within reason. I really enjoy the focusing mechanism on this lens albeit a bit on the loud side.Image Quality: 5 StarsFor the cost of the lens, the elements within it provide a great end result on your images. Sure, there's some miniscule CA in some focal ranges but you really need to blow the image up to see such artifacting. The images that I have taken thus far are great and I have no complaints in this category. Sharp images, great contrast along with the bokeh at 2.8 and it will make you smile.This is my short review of the lens, take it for what its worth and I hope to see this lens in the hands of those who are skeptical on the Sigma brand. Be a pioneer, this lens will be a great additional to the serious amateur, not for the professional though - stay with your white lenses and red rings.

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