Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Canon Digital DSLR Camera

Short answer is this is my favorite lens and does the best for the widest range of my activities. I'm not a professional photog I'm a a professional dad. Which is to say my subjects are high energy quick little buggers. For me this lens works perfectly and gives me many more usable shots than the kit 18-55 F3.5-5.6 and the nifty fifty. My only gripe is that I'd love to have this same lens from 17-70mm (as the extra reach would capture more candid shots), or full frame compatible (the Canon 17-55 F2.8 lens isn't Full Frame compatible either but it doesn't stop me from wanting that feature). What does this lens afford? Better Autofocus than the kit Canon 18-55 F3.5-5.6, a fixed F2.8 over the range, and a very usable zoom range. Where it lacks: Not Full Frame compatible, limited Manual focus range(although it has better markings for setting the hyperfocal distance than the canon F2.8), and corner softness full open (not as bad as I thought it would be and unnoticeable by F5.6). The Autofocus is perfect and just as fast as the kit canon. Comparing both lenses at F5.6 over the whole zoom range I had more keepers with this Sigma which was surprising to me. I figured the Sigma would be worse... I believe this is because the F2.8 allows the lens to use the cross point AF even if stopped down (the body autofocuses wide open and stops down for the shot, so more light to the autofocus makes it more accurate). So while this autofocus speed and accuracy beat my kit canon it probably isn't as good as the Canon F2.8 equivilent. The nifty fifty (50mm F1.8) lens is great for low light and really low depth of field but I found out my functional minimum was about F2.8-4 depending on shooting conditions this is because the kids are always moving and usually there are multiple subjects in the shot so anything smaller and nobody's in focus. So this sigma beats out the nifty fifty most of the time because I get zoom and it functionally meets my minimum aperture. Although this lens is noticeably sharper at F2.8. So bottom line is The Sigma 17-50 F2.8 autofocuses better than the Canon Kit lens, has a zoom range that captures almost all my needs and cost considerably less than the Canon equivilent F2.8 lens. As neither this or the Canon equivilent are full frame compatable, I don't see where the extra cost of the Canon is worth the minor improvements it provides especially if you plan to upgrade in the future to full frame. And if you can move up a f-stop I would highly recommend giving the Canon EF 17-40 F4 lens a try over the either this Sigma or the Canon EF-S 17-55 F2.8, unfortunatly I have found I use the F2.8 setting for depth of field so much I can't give it up on my Crop Body (remember a full frame at F4 is about the same depth of field as a crop at F2.8).

Absolutely my favorite lens of all. As a "semi-pro" and extreme hobbyist I must say that I like the quality of images from this lens on my Canon T3i even more than I like the quality of images from my Canon 5D Mark iii and the 24-70mm f2.8 L series lens; which would be the full frame equivalent to this lens on a APS-C sensor. Yes! I know that at this juncture some of you may be shaking your heads, but it is true. Granted, the 5D does have better image quality and more megapixels, but time and time again I get better images from this lens on my crop sensor cameras. Would you rather get almost the same image quality out of a lens that is 1/4 the expense? I sure as heck would. This lens paired with a T2i, T3i, T4i, or T5i will yield similar or better image quality in most situations than the 24-70mm f2.8 L series lens will on a full frame camera. Which if you are on a budget this is the lens for you! The images are so tack sharp and spot on. I read through many of the 1 star reviews and realized that the majority of the complaints come from Canon users that "got a bad copy" of the lens. As for me, I have a great copy. It is 3rd party glass but better than ANY canon glass I own (Once again some of you are shaking your heads). To me it's worth the gamble, and as long as you got it on Amazon and it doesn't work...send it back for a full refund! In addition to photography, the creamy bokeh that you get from this lens on video is astounding as well. The image stabilization, Optical Stabilization for Sigma (OS), is spot on. The only down side to the OS is that you can hear the gears working as you shift around hand-holding. Not so loud that it would be awkward while shooting an event. The focus ring has minimal resistance which I like; It allows you to get to rack focus faster. The auto focus is spot on and fast. The focus ring also stops at infinity focus as well at it's minimum distance. A feature I like because you know at what distance your subject is and you can switch subjects quickly. For manual focus you should be able to rack focus with a short minimal turn; unlike other lenses that require you to take your hand off the focus ring and do a second turn. Some would say that f2.8 isn't fast enough, but I find it to be plenty fast for most practical applications. You will not regret this purchase!

After purchasing this lens I had to join the chorus of praise heaped on it. I had all the intentions of getting the Canon EF-S 17-55mm f/2.8 IS to go with my new Canon EOS 60D . However the recent January-March price drop of $60 sealed the deal. I figured it was worth the gamble, or as I've often seen it referred to "the Sigma lottery". The reviews on this lens have been in for a long time, and most of them are quite positive. Some even rate this lens better than the venerable Canon EF-S 17-55. However, there is also the black cloud that seems to hang over Sigma's head - that of variable quality control. You'll see the bitter reviews of folks with bad experiences right here. If you hang around the camera forums, this can get to be even more depressing. People going through all kinds of tests for their lenses, constantly trading them back in for better copies. Or, claiming after going through 2 or three or five copies finally giving up. The brand that usually seems to pop up most often is Sigma. Perhaps because they (more than others) have a range of lenses that go toe-to-toe with the big boys. In some cases they're just as pricey as Canon or Nikkor. The 17-50 is claimed by some to be as sharp, and even sharper than the 17-55 at above f4. For almost half the price I figured it was worth a shot, and this seems to be one of those rare cases where I really feel I got my monies worth. There are some trade-offs in features, but not quality. One thing I'll mention right away that I've seen mentioned elsewhere, and that's a "rattling" noise the OS makes when you shake the lens. Now, it never occurred to me to shake my lens. But I guess I'm odd that way! So, now than I finally have the thing I shook it. You know what? I don't hear it. I mean, I can hear a bit of movement, but nothing like my EF-S 17-85 for instance. Take that for what it's worth! I decided to first test the lens on my "I know how it works and I know it's working" XTi Rebel. The first shots looked promising, and further tests showed it to be sharper than many reviews I've seen. I've posted a photo of the lens center and extreme corner at 17mm f2.8, where the lens is purported to be at its worst. It only gets better from there! After pairing to my 60D, well, keep reading! Fit and finish: This new Sigma no longer uses their matt crinkle sort of rubberized finish. While I liked the old finish, it showed marks, collected dirt and is very hard to clean. The new matt finish is smooth and nice, perhaps nicer than the speckled finish of the Canon EF-S series. The lens feels as of-a-piece, there's not a hollow spot or loose fitting anything anywhere. One complaint I see popping up regards the lens hood fit. At first I was all there with the "it barely hangs on" thing. Jeez, what's up with that? Oh. Duh. You rotate it a bit harder and it snaps in place. A firm "click". Nice. It's not going anywhere. This is very different from past Sigmas and the Canon EF-S lens hoods, which while nicely finished are still flimsy and don't fit all that great. The interior is not ribbed like old Sigmas, nor flocked like Canons, just a simple matte finish. At least it didn't cost $35! Other than that you'll find a zoom lock, AF/Manual and OS On/Off switches. One bizarre characteristic can be seen when viewing the mount and back element. If you zoom the lens out and the element travels inward, the camera's electronics are exposed! I found this weird enough to check my other lenses, and no, this is unique. I guess just don't check it out in a rainstorm and you're good to go. My final comment is that there is no distance scale window (just a distance scale on the barrel), an obvious price cutting issue. I don't really use the scale for a lens this size, but miss the little jewel like window all the same. Function: It is extremely solid and operates smoothly. The zoom is nice and smooth with a good amount of equal resistance in both directions. There is zero creep, and even still there's a zoom lock. This can't be said for the EF-S 17-55. The biggest issue I've got as others have mentioned is the overly thin rotating focus ring and short focus rotation of about 45 degrees (!) with hard stop. This is not a big issue for me in still photography, but it seems this could be a problem with video and somebody as ham-fisted as I am. The feel of the focus ring while smooth offers almost no resistance. In comparison, my other lenses are far superior in feel. Again if manual focus is a priority then this should be a consideration. The switches are a huge improvement over some past Sigmas, and each snaps quickly and firmly with identical feels. The zoom lock is quite small and there's no chance of accidentally hitting it, but it's large enough and has a positive enough feel to find and engage with confidence. Performance: The AF is fast, as fast as any lens I've got. Perhaps it's so fast because of the short focus ring distance? It's not at all noisy. No hunting, no hesitation. Even in low contrast conditions it's just bang on. Considering the horror stories I've heard about the AF, this is another one for the mystery files. OS is another thing - while I've got a pretty steady hand (at certain times of the day, depending on barometric pressure and planet alignment) I'll assume it's doing its job. All the low-light shots with slow shutter speeds I've taken look great - consistent down to 1/10. 1/6 not so much. They claim 4 stops worth so I'll assume it's 3 and call it good! The OS is not at all noisy either, it was enough to concern me at first! I had to put my ear up to it and depress the shutter to confirm its operation when I first started. Summary, AF and OS are everything they should be and more. IQ: It's incredibly sharp across the board. At 17mm and f2.8 is tack sharp center, with a slight softening in the corners - and I do mean slight. at 28mm and above it's mind-boggling. Seriously, I simply can't believe how sharp this thing is wide open. I'd have to say if there's a sweet spot it's around 5.6, but it really is wonderful up to about f/11. Typically, pixel peeping at 100% can be a depressing thing on a Canon APS-C camera. Now I just giggle! Vignetting is quite apparent at the shortest focal length as would be expected, but very evenly gradated. CA is evident in extreme corners at all ranges, most notably distant high contrast objects. On my copy it only seems to be red fringing towards the outside, highly controllable in PP. Barrel distortion is pronounced at 17mm both vertically and horizontally. In comparison, my Sigma 10-20 f4-5.6 has almost no vertical distortion at 10mm. Distortion is pretty much gone by around 24 up. Really nothing unusual for this type of lens. I've actually found my distortion problems go away after owning a lens for a few weeks anyway! Why? I tend to stop shooting brick walls and start shooting other things instead. Of course, the vignetting and distortion are easily fixed as is CA using Lightroom, Photoshop, DxO or a host of other applications. Contrast is another place this lens really shines, as what I would expect from an L series lens. Colors are deep and rich if slightly on the warm side. Flare seems well controlled, I've shot pretty much into the sun with no issues. Bokeh? Meh. It's good, pleasing actually, but nothing I'd call creamy or recommend the lens for. Bright objects do tend to have outlines, but no real fringing, odd shapes, holes or halos. You'll be able to find lots of samples both here and in reviews at lenstip dot com or photozone dot de. Pros - Great fit and finish - Excellent size and weight - Fast, accurate AF - F2.8 is better than usable! - Sharp, great contrast - Better than advertized corner sharpness - Low CA - Image Stabilization - 60% the price of the EF-S 17-55 - Comes with case - Comes with lens hood - Center pinch and edge pinch lens cap like most "modern" lens manufacturers (hello Canon?) - Great warranty Cons - Skinny focus ring - Rotating focus ring - Manual focus turn only 45° - Focus ring hard stop - Mediocre focus ring feel and resistance - No full time manual focus - Vignetting at lower focal lengths - No distance scale window - Short focal length - Possible QC issues - Always run the risk of future EOS body incompatibility with third party lenses If you need an f2.8 type lens, I highly recommend giving Sigma a look. If you're looking to replace your kit lens, or are really only going to have 1 lens you may consider something with more of a focal length like the EF-S 15-85 f3.5-5.6. Basically in this category of lenses there are only about 4 choices. The Canon EF-S 17-55, the Tamron AF 17-50mm F/2.8 XR Di-II LD SP , the Tamron AF 17-50mm F/2.8 SP XR Di II VC and this. IMHO, the Tamron lenses are out of the running for either being sharp with no VC, or not sharp with VC. Tamron build quality is good but not great IMO. The Canon is top notch IQ but not top notch build, and then (are you listening Canon?) you still have to pony up for a mandatory and potentially lens-saving hood. All I can say is this is a perfect "specialized" walk-around for crop bodies as others have mentioned. For indoor shooting it's a winner. You've got f2.8 in a small well built package that's razor sharp at f4 and above. See my chart test for opinions on f2.8. When introduced this was a pricey lens and it was hard to not consider just spending the extra $200 for an EF-S 17-55. But slowly the price has come down. At its current street price of around $650, it's a deal. Buy it, test it and if you do get a defective copy, then you've been fortunate enough to buy it from Amazon, right? Send it back and get another one, it's just that easy. And speaking of easy, this one is an easy 5 stars.

If you own any version of the Canon 18-55mm IS kit lens, then this is the best upgrade option for you. The aperture of f/2.8 will immediately expand your photo composition options. Throughout the entire focal range (17-50 mm), the lens provides image sharpness comparable to Canon "L" series lenses (not equal to, but close enough). This makes it easily the best "value for money" lens for your APS-C mount camera. A constant aperture f/2.8 standard zoom lens is a necessity for any photographer who is genuinely interested in expanding his/her photography skills. 7/21/15 UPDATE Having used the lens consistently for a year now, I would like to state a view other observations. I downgraded the rating from 5 stars to 4 stars. Everything I said originally still stands. However there are flaws. The biggest issue with this lens is the manual focus ring. The travel of the ring is so short, I am unable to accurately manually focus. This causes a limitation in landscape photography, when you have your camera mounted on a tripod and go into live view to attempt to tweak the focus. This action is not practical with this lens. The second issue is also in regards to the focus ring. When autofocus is enabled, the focus ring is mechanically engaged to the autofocus motor. The focus ring physically moves when the autofocus is engaged. If something creates resistance on the focus ring (like an errantly placed finger on the barrel), you can hear the focus motor squeal and strain to move the ring. I imagine this has the potential of damaging the focus motor. The real risk though is when someone else gets ahold of your camera and tries to manually move the focus ring while autofocus is engaged (either the person mistaking it for the zoom ring, or thinking the need to adjust focus manually). This action will force the autofocus motor to move potentially damaging the gears connecting it to the focus ring. Finally, I have found 50mm on the long end to be a bit short for my purpose. Even on a Canon crop sensor which makes this effectively 80mm, I find more times than not wanting a bit more reach (closer to 105mm). But this is a personal preference. So you need to be mindful of these issues if you want to use this lens in the long term. They are not deal breakers for me, but they are flaws that render this lens less-than-perfect.

So far I am very very happy with this lens. I purchased the lens last week Jan 2019. I was concerned about the focus issues some have reported. Auto Focus: I have ZERO focus issues at the long or short end of this lens (Whoo Hoo!)...Tested with focal chart, Tripod, and halogen shop lights for light source. I tested on both my new EOS LS2 and 77D (Christmas 2018). There is a "slight" front focus at minimum distance to target, at 17mm, and I do mean "s l i g h t". Maybe a 1/64th? So slight, I cant tell if its the lens or me shaking the tripod (AKA my technique). Sigma Dock NOT compatible yet: This lens is NOT compatible with the Sigma Lens Dock (at least not yet), which I bought at the same time as this lens. So, if you have focus issues with your copy, I guess you will have to return the lens to Amazon for refund, of send in to Sigma. Fortunately, my copy is working great with both of my new cameras. Based on this, I will probably be ordering more Sigma lenses in the future so, I will just hang on to the dock. And hopefully the dock will support this lens in the future. The 2.8 Aperture is a huge difference over the canon 18-55 kit lens for background blur (you know, the "B" word). Manual Focus: Works great for me and I actually prefer the shorter focus ring travel distance of this lens when manually focusing. Colors look very good on my canon bodies and the lens is as sharp or sharper that the canon at 2.8/17mm than the canon is at 4.0/18mm and improves from there. I don't know if it is from the glass quality, the coatings, or the physical larger size of the glass in the Sigma, but it is awesomeness! Motor is louder that the canon STM lens, obviously...But I shoot photos and not video, so this is a non-issue for me. Zoom Ring Lock: Has this at the 17mm position...I like this, though the lens does not seem to walk when held vertically. But I would rather have it than not. Auto focus works good in live view or through the optical view finders. Image stabilization does work, but the canon system may be a slight bit better here....again, not huge for me since the Sigma OS does work very well on my copy. I will have to do some real world testing to wring this feature out. Build quality is very good for this price point...I am very pleased. Comes with nice carrying pouch....Nice touch! Comes with Lens hood! Canon does not, and that irritates me...I would rather they included it, and upped the price. CONS maybe?: Focus ring, as others have noted, is always coupled to the motor when AF switch is engaged. You have to keep your hand off of it when Auto Focusing...and if you force it or turn it with the AF switch one, Sigma says you could damage your lens. So don't do that. LOL I just simply modified my had position and on I went....no big deal to me. Longevity: We will have to wait and see. Summary: I am very pleased, and if this lens holds up, it will definitely be replacing my 18-55 Kit lens, EF 40mm 2.8 pancake, and my EF-S 24 2.8 pancake, as a single everyday/walk-around/portrait lens. Still keeping the EF 50mm 1.8 though. LOL

This is my first lens purchase outside of the kit 18-55mm lens and the only thing I can say is that this lens blows the kit out of the water. Pros: -Build Quality: This lens is built like a tank. It's very solid, and also very heavy compared to the 18-55mm kit lens. It is much bigger and is just of higher quality overall -Image Quality: I'm a VERY novice camera user, but I could see an incredible difference in both my photos as well as videos in how sharp/detailed the images look as well as how nicely blurred the background can be. -Value: This is both a wide angle prime and a standard prime. You can buy the international version (which I did) for less than $300. By far the best value in its category in my opinion. -Optical Stabilization: This works very well in my experience and this thing takes amazing handheld video as well as stills. Cons: -Literally the only thing I can even begin to complain about is the autofocus. This isn't really an issue for me as I almost always record external audio of some sort, but if all you have is in-camera microphones, you WILL hear focus noise. It's very clicky and can definitely be annoying. I can't dock it a full star for this but I would dock a half star if that were possible here on Amazon. Overall, it's a great lens. You should buy it. If you are on a budget like me, it's a clear choice over a fancy Canon L Series lens.

I had some reservations about buying this lens since the focal range was already covered by the 18-200mm kit lens that came with the Canon 60D I bought. However, I also own a Canon G15 which has an f1.8 lens. Obviously, the Canon 60D can do things that the G15 cannot, but I have learned to appreciate the advantages of having a fast lens. The ideal application for this lens is anywhere you could use a flash, and either can't use one for various reasons or don't want to use one for aesthetic reasons. For example, I used it in the Henry Ford Museum to shoot some of the exhibits. If you want to show a 19th century steam tractor as it appears in the museum, using a flash just does not do it justice. Being able to capture all of the available light (and the ambiance) requires a fast lens. Setting the lens at f2.8, using an iso400 speed, and reducing the exposure by 2/3 of a stop results in a photo that looks very much like the real thing. Sharp, clear lines, throughout 95% of the image falling off only slightly around the edges at f2.8. Close it down to f4 and the entire image is sharp and clear. At the other end, (f18-22) can be used for landscapes but it really shines for portraits opened to f2.8 or f3.5. 09/06/2013 Update to review I spent Labor Day weekend in Michigan's upper peninsula in Munising. This is an area with lots of waterfalls, that is what I intended to photograph. I used a Tamron 10-24mm wide angle lens as well as the 18-200mm kit lens that came with the Canon 60D I was using. On the shots that I used the Sigma lens I was surprised at how much sharper the image was. Same camera, same settings, (1 sec exposure, f18-f22 approx.) but compared to the Canon kit lens and the Tamron wide angle lens, noticeably sharper. Don't get me wrong; it's not that the Canon lens or Tamron lens were not sharp, they were. But the Sigma was just better. I was surprised at the difference since I had the lens at a small aperture for depth of field and used a tripod for a long exposure. Good investment for more than just the large aperture.

I used this lens for Fuji X-T3 camera using Fringer Pro EF-FX adapter. I want a low light 2.8 zoom lens with optical stabilization. Fuji 16-55mm did not have any stabilization so I decided to give this a try. optically, this lens is not better than Fuji 16-55mm. It's not a noticeable difference in the center. It is, however, noticeable in the corners at 2.8- but not significant. If you're not pixel peeping then you will be fine. one thing that i think this Sigma excels over Fuji 16-55mm lens is the color rendition. I just prefer this Sigma colors than Fuji lens..and on a Fuji X-T3, this lens really shines. the size of this lens and the adapter combine is not much bigger than the Fuji 16-55mm lens itself. This lens, however, has image stabilization which is very helpful in video. This definitely make handheld possible when shooting video. the focusing is loud in video, but bearable. You can always use an external mike or use manual focus to get rid of noise. The manual focus on this lens, however, can be difficult as the range of manual focus is quite small- slight turn will shift out of focus right away.. with all these + and - s in mind, i think this lens is great for what it is- low light performance, sharpness, and versatility... 17-50mm range is very useful as a walk around lens for sure. I would pick this over Fuji 16-55mm for the value/performance ratio and over Fuji 18-55mm for its constant 2.8 aperture... I definitely do think optically, this lens is much better than Fuji 18-55mm in every way.

Pocket Cinema Camera 6K（APS-C）用に購入。 AFにするとピントリングが回らないです。でもf2.8通しでこんだけのズーム域が使えるのは大変便利。 写真はキヤノン70Dもしくはメタボーンズのアダプター付けてLUMIX GH5で使用。手軽にポンポン撮れて写りもいい。 EFマウントのAPS-Cは中古で安くいい状態のものが多いのも◯。 満足。

This is a very versatile lens with low and fixed aperture, the seller is excellent and very professional they take care of every detail till the lens reaches you.

Nachdem ich mich bei der Wahl zu einem lichtstarken Standardzoom für meine EOS 7D sehr schwer getan habe möchte ich hier kurz meine Beweggründe zum Kauf des Sigma 17-50, F2.8 darstellen. Ausgangslage: EOS 7D mit EF24-105 L F4, EF70-200 L F4 , EF-S 10-22, EF 50 F1.4 Kriterien: Ich suchte ein lichtstarkes Standardzoom für Reportage und Landschaftsaufnahmen Testkandidaten: EF 24-70 L F2.8, EF-S 17-55 F2.8, Sigma 17-50 F2.8 Nach erstem Test schied das 24-70L aus, da es bei Crop-Faktor 1.6 für Landschaftsaufnahmen nur bedingt als Universalzoom geeignet ist und auch von der Auflösung nicht ganz mit den anderen beiden Testkandidaten mithalten konnte. Im Punkt Auflösung und Schärfe war mein 24-105 deutlich überlegen. Das EF-S 17-55 und das Sigma 17-50 machten mir den Test und die Auswahl aber wirklich sehr schwer. Beide Objektive haben eine hervorragende Auflösung und Schärfe, wobei das Canon subjektiv in den Ecken eine Spur schärfer war. Das Sigma hatte dagegen weniger Vignettierung und eine bessere Kontrastverteilung über das Bild. Beim Canon fiel der Kontrast zum Rand doch sichtbar ab. Beide Objektive waren korrekt justiert und keinerlei Back-/Frontfokus feststellbar (getestet mit Traumflieger Chart). Um hier keine Missverständnisse aufkommen zu lassen, beide Objektive zeigten sich im Test auf höchstem Niveau und durchaus vergleichbar mit meinen L-Linsen. Die Unterschiede waren wirklich minimal und die Wahl zugunsten des Sigmas eher subjektiv als wirklich objektiv begründbar. Die Verarbeitung ist bei beiden Objektiven sehr gut, gefühlt ein Tick besser beim Sigma. Entscheidung: Die Entscheidung für dies Sigma fällte ich aufgrund des für mich besseren und gleichmässigeren Kontrastes, der sich vor allem bei Vergleichsaufnahmen in der Landschaft zeigte. Ein Grund gegen das Canon war auch das in vielen Foren zu lesende, wohl häufiger auftretende Problem mit Staub in der Linse. Das konnte ich beim Test zwar nicht feststellen, war aber bei der, wie gesagt eher subjektiven, Entscheidung dann doch ein Grund eher das Sigma zu nehmen. Erste Erfahrungen: Nach zwei Fotoreportagen und ca. 1000 Fotos habe ich die Entscheidung nicht bereut und bin von der Sigma Optik restlos begeistert. Sehr hohe Auflösung und Schärfe schon mit Offenblende und keine sichtbaren Beugungseffekte bis Blende 16 haben diese Linse zu meiner absoluten Standardlinse und "immerdrauf" Optik gemacht. Ich kann dieses Objektiv uneingeschränkt empfehlen und würde es jederzeit wieder kaufen. Dies ist meine erste Rezension und ich hoffe ich konnte den Ansprüchen der anspruchsvollen Leserschaft genügen. Nachdem ich mich bei der Auswahl selbst so schwer getan hatte, dachte ich es wäre hilfreich meine Erfahrungen hier zur Verfügung zu stellen. Ich wünsche allen viel Spaß und Freude mit diesem Objektiv.

He logrado mucho con este lente, perfecto y siempre confiable

This is another case of Sigma making a fantastic lens at a great price. The image quality is tack sharp with good clear corners as well. It’s built really well. It comes with a lock to prevent lens creep which will sometimes happen after a lens is long broken in. Oh ya make sure not to force the focus ring until you switch it into manual focus. Only small complaint is the old technology used in the autofocusing system. The ring moves constantly so with a short lens you need to make sure your hand doesn’t interfere. It’s also not very quiet so you will hear it while filming if you don’t use an external mic. I would only doc it 1/2 a star if I could. Other than that I have no complaints. I don’t take many videos so it may be more of an issue for others who do. But I am completely comfortable recommending this great lens to you. I hope you enjoy it as much as I do. Update(Nov. 2019) I’m still using this lens a lot and with the price I paid I’m loving it even more. It’s still 100% perfect and still taking beautiful pictures that are really the quality of lenses costing 3 times as much. I beg you not to be brand snobby because you’ll miss out on some of the best lenses on the market. I talked my father into buying the sigma 150-600 contemporary lens at a ridiculously low price of only $1100! It’s a professional lens that you can actually take portraits with. I mean full zoom(600mm) at only 15 feet yet perfectly clear is amazing! An incredible lens and another lens that sigma makes that is a fraction of the price of the competition. I don’t get it, these lenses take stunning pictures yet a canon fisheye zoom lens is 3 times the price. The 150-600 is a big lens with a huge piece of glass and again it’s a professional lens but is cheap. It really tells you that the brand name guys like canon and nikon are simply charging these shockingly high prices because they can get away with it. I’ve tried an $1800 canon lens in the range of this sigma and the sigma produced better images. So take a good look at sigma and Samyang and Venus. Don’t simply judge a lens based on the brand name because you’ll really miss out. So in conclusion I again highly highly recommend this sigma lens. Fantastic piece of gear!