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For Sigma 10-20mm f4.0-5.6 EX DC, 70 customer reviews collected from 1 e-commerce sites, and the average score is 4.6.

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10.9.2009

I must admit i ummmed and arrred over an UWA lens for a long time, i read magazines, forums, reviews, went to shops and tried them out and listened to professional advice. In my final line up was the Tokina 12-24 DXII, Nikon 10-24 and the Sigma 10-20. Now we'd all love Nikon glass as it has superior quality and all our kit matches! Unfortunately for me i wanted to go really wide so the Nikon 12-24 didn't cut it for me and the Nikon 10-24 was way out of my price range. That left the Tokina and the Sigma and after not hearing a great deal about the Tokina anywhere I finally decided to purchase this lens used from Amazon and parted with £320 of my hard earned cash.Like other reviews have stated i won't run off the drivle that is the spec of this lens as you know already.On first impressions of this lens I was very impressed, the pouch it comes in is fantastic quality, foam lined with a zip top and woven nylon more than enough to protect it in transit.The lens is heavy than you would expect but this gives a very nice feel and makes it similar to a pro lens. The finish of the lens is a very nice charcoal crystal black with a lustre feel, all words and lettering marked clearly. The lens comes with it's own bayonet lens hood as well which clicks on smoothly and is the same quality build and finish as the lens itself. Zoom and Focus rings are both very smooth and the lens is very quiet, there is hardly any vibration when focusing and i don't think this lens hunted once on a shot for me.I took this lens with me to Paris for 5 days on a proper test drive, i knew there would be a fair few things there that id need an UWA lens for. I attached it to a D60 body i use as a walk around body and it performed brilliantly! The pictures i took are pin sharp and look fantastic, at around 14-20mm it makes a fantastic wide portrait lens aswell from 14-10mm there is barrel distortion as you would expect but this is quite nice and gives an added drama to pictures. The colour is superb and some shots look like a CirPol is attached when i only have a cheap UV filter attached. The lens is very fast as well and works in reasonably low light very well. The only drawback i found with this lens is there is occasional flare despite the hood being attached but i only found this when shooting in fierce summer sunlight at 10mm which is kind of expected, i really was pushing it to it's limits.I wouldn't usually recommend a TP lens over Canon or Nikon glass but this little gem really did perform beyond expectation and it's well worth the price tag. I urge you to buy this lens if like me you were stumped on what to buy, i love this lens so much that i will probably keep it for a couple of years until upgrading to the Nikon 10-24. You will honestly not be dissapointed. I will always consider sigma when buying a new lens from now on. An excellent performer.
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27.8.2011

If you're looking for a wide angle lens for your Nikon, then you should really consider this offering.Build Quality:In recent years, Sigma has improved considerably, to the extent that it's easily able to compete with Nikon, especially in the same price brackets. This lens has a real "quality" feel to it. It's robust, smooth and certainly well put together.Accessories:As will all Sigmas, you get a nice quality case with strap. The supplied hood hardly seems worth having, as the field of view is so wide the hood barely extends 1cm in places.Range:As you go to wider focal lengths, the change becomes increasingly more noticeable. You won't see any difference from 200mm to 201mm,but you certainly will from 10mm to 11mm. Opening up to 10mm gives you just that bit more in the frame than would be possible at 11 or 12mm. Going up to 20mm is a bonus too, as it then takes you up to the no doubt 18-nnn range of your next lens.Focus:Autofocus is very quick and near-silent. It's not as if the barrel has to turn much anyway. A plus point is that the end doesn't rotate, so the hood/any filters attached remain at the same angle.Image Quality:Any wide angle will produce curvature at the edges of the frame, more apparent when looking at straight lines and shooting 'up' or 'down'. This can be just what you're looking for, or easily corrected if not. I have read reviews that state the distortion isn't linear, i.e. there's some "wobble" in the lines that you may see on a flat horizon, but I can't say it's shown up in any noticeable way so far. CA is non-existant (althought my D90 does correct for this, but it doesn't show on my old D70 either). This is a nice sharp lens, and I suspect that to find any real problems you'd have to be looking for them.Having a maximum aperture of f4 isn't really a problem. For landscape you'd be closing down much more than this for a better depth-of-field. In close-ups likewise (or even more so). There is little difference between this and the f3.5 version in real-world photography (or that my D90/D7000's can resolve).I noticed the previous comment about needing a flash, but I doubt many people have one that will cover 10mm, so it's a bit pointless really. I wouldn't bother with polarising filters either, unless you're just taking shots of water. It's such a wide angle that the sky will have 'bands' of blue in it as the polariser has different effects across the shot.Verdict:Overall it's a lovely lens, takes some lovely pictures, with few, if any, faults you'd see in real photographs.
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9.7.2012

I'm not going to waffle on about the merits of an ultra wide angle lens. If you are looking at this you already know what you want. The only thing I would say is that I am pleasantly surprised as to how useable the 20mm is as a 'standard' lens. It's not much more extreme than the fixed lens on many compacts so if you do find yourself with just this lens in place you can get away with it for general purpose snapping.Don't let the apparently extreme wide angle put you off. This is not a specialist lens that will spend most of it's life in your bag. It is a really useful lens for interior and exterior shots where you either want to get the bigger picture or have some fun with perspective and depth of field.I agonised for ages before plumping for the Sigma.Tamron and Nikon do similar lenses but they are a bit longer at the long end.The Nikon is obvioulsy the one to have if you can afford it.Some of the Tamron reviews don't give it a great press but it is a bit cheaper than the Sigma and you do get a bit more speed and an extra 4mm (which can seem a lot when you move from 20mm to 24mm).So, the Sigma 10-20 then.The Sigma packaging, lens case, hood and of course the lens itself absolutely ooze quality. I have other Nikon lenses and really the Sigma feels every bit as good if not better. Zooming and manual focus are smooth and positive and the HSM autofocus is just about instant and more or less silent. The high quality finish on the lens is a perfect match for my Nikon D3100 body.In use it is a chunky little beast. The 77mm optic makes it fat but it feels nicely balanced and the size/weight is not excessive or unpleasant to use.Image quality is every bit as good as other reviewers, and Sigma themselves, claim it to be.You do need to watch polarising filters at the 10mm end - you can get a bit of streaking but I think this applies to any wide lens not just the Sigma.Not much more I can say except I'm delighted I settled on the Sigma. You won't be disappointed with this lens.
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5.11.2013

After a few days of solid use in Iceland:+ Minimal c/a, rarely noticeable even if you pixel-peep+ Very sharp, probably the sharpest DX ultra-wide. Corners and edges are very good.+ The cheapest ultra-wide that you'd actually ever want to use on a DX.- Complex distortion at all focal lengths. Extreme at 10mm.- The longer (16-20mm) range of focal lengths were initially just a nice bonus, but turned out to be essential in Iceland as I couldn't risk swapping lenses when I was out on a windy glacier.=======I was going to get the Tokina 11-16mm f/2.8, or possibly the Nikon 10-24mm f/3.5-4.5. The Tokina is fast, sharp and its only real drawbacks are the lack of width (11mm vs 10mm is a lot actually!),and excessive c/a in the edges and corners (on the 4 samples that I tested). The Nikon is slightly slower than the Tokina, less sharp, and more expensive.At the last minute, a proper photographer convinced me to consider this lens and I have no regrets! In addition to being cheaper than the other ultra-wides for Nikon, it has no noticeable c/a, is very sharp, is compact, and quite lightweight. It does however have significant (but easily corrected) distortion. It may be less sharp than the Tokina in online reviews (not that I've noticed), but certainly makes up for it with clear, c/a-free corners!Having returned several Sigma lenses due to poor image/build quality, I tried hard to fault this one but I really can't. It is a great piece of glass and good value for money too. It is now the second Sigma that I own and regularly use, the other being the 150-500mm Sigmonster.The image quality is lovely and the build quality seems good too. The action is smooth and it doesn't wobble on the mount at all (which my 150-500mm Sigma does, annoyingly). If it broke tomorrow (which I half-expect after the last few Sigmas I tried), I would replace it with another Sigma 10-20mm/f4 without hesitation.
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10.11.2012

I use this lens with a Nikon D5100 and really like the images I've got with it.It seems to be very well put together and has a pleasing weight to it. The zoom and focusing are smooth yet have a little bit of resistance to them - makes you think you are turning something very solid and expensive, it's nice in the hands.Pictures are good, I've no complaints with any of the images I've got. I've shot long exposures at night, short shots into bright light and everything in between - no problems really.The auto focus works well, is quick and very quiet - near silent really.There are a couple of little annoyances (not full blown problems). As it has such a wide view,the hood can't really be very big otherwise it sneaks into the image and this means that the supplied hood does, very, very little to keep stray light out. Lens-flare objects are quite common and you will need to keep this in mind when you are composing your shot. I can't see this being unique to this particular lens - all ultra wide lens will have the same hood size problem but it's important to remember.Also on the lens hood subject, this hood has on a couple of occasions not seated properly (this will be my fault, but Sigma could have designed it to be easier to deal with) and it's only later at home I've noticed that the petals of the hood are in the image and have had to be cropped out.People may be wondering why they should by this one and not the F3.5 - well, I went for this as I will mostly be using it at 10mm all the time and there really isn't going to be a lot of difference between f3.5 and f4. This one is cheaper (some reviewers say sharper and I'm not going to argue) and uses a smaller (cheaper again) filter size. If you really must have THE BIGGEST and FATEST lens out there, buy the F3.5, everyone else will buy this one.
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16.1.2013

To complete my lens set I was thinking about the Nikon 10-24 as recommended by Ken Rockwell and others, but it is currently the far side of £500, which is a lot for a lens that I won't use all that much. The other lens that I notice gets good reviews is the Tokina 11-16, but the pro2 version with AF is nearly as expensive as the Nikon, and I didn't want the version without AF. I read a lot of reviews of all the UW zooms and also noticed that a lot of "real" people mentioned this Sigma favourably. I spent a lot of time on Flickr user groups, where photos using different camera and lens combinations can be compared - this was really useful. I know this is all subjective, but this is my review!My personal finding was that the Nikon was clearly the best, but that the Sigma was not that far off, and in the end that is why I chose it. At just over £300 it is relatively good value, and I can report that it does work well with my Nikon D3100. The photos I have taken are similar in quality to those on Flickr, so I think that piece of research was worthwhile.The lens is heavy and solid feeling - it is very satisfying to hold and use. The photos are very good quality, especially after a bit of sharpening with Nikon software I am pleased with my purchase, I feel that I have got exactly what I expected. The only negative point is that the lens is quite slow at f4 - 5.6 which is noticeable right now in dreary January. The faster version of this lens is dearer and is said to be not as sharp though.In the end I have this lens and a Nikon 35mm 1.8mm for quite a bit less money than the Nikon 10-24, and that feels like very good value.Edit - I have taken a few more test shots now on a D3100 and a D5100. This lens captures a huge amount of detail, and is very sharp, particularly in the middle of the frame. A great buy.
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16.12.2008

When I bought this lens, my mate said to me "this is one of those lenses that surprise you. You start using it and you wonder how you ever got by without it..." How true this is...I'll briefly go through a few of the technical details on this lens as well as a few experience related finds.Build quality:This lens belongs to Sigmas 'EX' line of lenses, which are their flagship standard, optically and physically they are very well made and this lens is no exception. It is very compact, and quite heavy, giving it a tank-like build, you could probably drop this lens quite a few times and not have a problem. When zooming, the barrel extends by maybe 1cm, and the autofocus is really silent,manual focus isn't really used because most things tend to be in focus at 10mm anyway.Optical Quality:Very good. Very sharp, especially when stopped down to f/8 or so. There is sometimes a bit too much flare when there is a direct light source to the lens, but CA is well controlled and details are very sharp. One important thing I'll just point out is that this lens is NOT fisheye, and in fact lines are kept very straight all the way to the outer edges where they begin to curve, so this is a suitable lens for architecture and images can be post processed to look perfect. Colour rendition is brilliant too, and skies are always wonderfully deep. It does take some practise to get the exposure right because you get so much into the frame the sky/land balance can be tricky sometimes.Extras: You get a Sigma EX pouch for the lens, which is durable and good quality, and you get a lens hood which in my opinion is absolutely useless. It's only to protect from light at the extremest angles, which isn't a lot of the time for me...
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4.10.2012

For some time I have thought of buying a wide angle zoom but was put off the price especially considering that I thought I would not use it a great deal [ I already have an 18-200 Nikon zoom ]. Anyway, I recently decided that I would get one at long last but I was still reluctant to pay the price of the Nikon version so I investigated third party options, i.e Tamron, Tokina and Sigma. After MUCH deliberating and research, I discounted the Tokina - mainly because it was not that much cheaper than the Nikon, and then discounted the Sigma f3.5 because the of extra cost not only of the lens but the larger filter size too.This left the Tamron and the Sigma f4-5.6 and opted for the Sigma because comments I read suggested that the Tamron was not so good at the wider end and with larger apertures. In actual fact I expect they all perform quite well and have varying strengths and weaknesses [although I cannot understand why the Tokina performed so poorly in the recent test in Photo Answers because I have seen some cracking photos taken with it]. I was a little apprehensive due to the comments concerning Sigma quality control issues but all I can say is I am well pleased with this lens and I can see that I will be using it far more than I imagined. I have tested it at varying focal lengths and apertures and am perfectly happy with all the results. The photos are sharp and colours great, some distortion at the widest settings of course and you have to watch out for flare, but these factors are common to all such lenses. The automatic focusing is quick and quiet and although I can see myself using more than I thought I do not regret buying this lens instead of the Nikon which is almost twice as expensive.
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30.1.2013

I agonised over this buy: there's lots of choice and variation in price. Tokina and Nikon and other Sigma models being the competition. The Tokina 11-16mm f2.8 DXII seems very desirable - fast and sharp by all accounts. The Tokina's 12-24 DXII seems nice too with its AF motor. I guess when the DXI have sold out the DXII will drop in price - currently unless you buy Hong Kong etc they're as expensive as the Nikon. Then there's the Nikon 10-24 f3.5-4.5 which is pretty good but expensive. I like the Sigma 8-16mm f4.5-5.6 too and that's at a good price currently on Amazon for the Nikon but seems there's a lot of variation in quality - great if you get a good one but getting such is awkward online.Lens tennis is not fun. All of these lenses seem cheaper if bought from USA, Hong Kong or now Japan. But given the sample differences in lenses, it can be a right pain to go that way never mind any warranty work issues. I want a lens not shipping bills.I finally decided to go Sigma 10-20mm f4-5.6 from Amazon since it's not too expensive, optically very good, wide enough and well built. My point is made about 'Hong-Kong savings' in that my first copy had a tilted/decentred element so that the right side was soft and the centre to left sharp. Had that been an import, Sigma UK would not have fixed it. As it is, Amazon had a replacement to me the next day. Excellent service.Thankfully, the replacement is fine so far - sharpness/softness seems centred. As others note, corners can be soft wide but sharpen up quickly as you stop down. There's some CA and distortion but these are mostly correctable. Images look sharp with that wide dynamic look such lenses offer. I like it. Summer should be good for this.
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6.12.2013

I did a vast amount of research on this lens but I couldn't find anywhere on the net about it working with a D7100 without any glitches. It seemed to work on the D7000 without any problems, So I took the plunge and bought it. Upon receiving the lens via Royal Mail, I found the box had been opened. So I got the mail man to stand there while I checked the contents of the box and found the bag it comes in was still sealed so I opened all and check all and got the mailman to sign that the box was opened. Not the best start I thought. The lens itself was freezing, so I had to leave it a while to bring it up to room temperature. So after that I checked it and man does it take sharp images.I only took sample shots around the house thus far, so the review is not in depth yet. I will further edited this when the time is right and have done more tests. For now it seems that the lens works well with the D7100 with no flaws that I can see.Well done to Amazon btw, When I purchased the lens @ £349, the very next day, the price dropped to £325 and they refunded me the difference after a polite phone call and because I paid extra for postage and it did not arrive on time, they refunded that as well. 10/10 to Amazon.More on the lens to follow....Yes its one of the best lenses I have in my bag. Its so sharp and it does take in all of the scene. We are lucky because the D7100 has a built in motor and so the lens will auto focus. Those with say the Nikon D3100 hasn't, Therefore they have to manually focus it. I use it for bracket photos of old buildings and castles and they come out great. My advice BUY It. Its money well spent. Good Luck
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11.7.2012

Wow! This is a wonderful lens. When mine arrived from Amazon the first thing I did was put it on my Nikon D3200 and takes shots of very detailed ferns in the back garden to test the sharpness. This is a tough test because the D3200 has a whopping 24 megapixels so any faults will show. The lens passed with flying colours: wonderful sharpness throughout. I expected some lack of sharpness at the edges but I have to say even there the sharpness is impressive.Basically, anyone who uses Nikon's normal consumer lenses (ie not the huge £5000 pro lenses) is going to find this is just as good as the Nikon lenses they are used to. It looks fabulous - real quality construction - very similar-looking to Nikon's latest lenses (on closer inspection,maybe a fraction better). So it won't look out of place in a Nikon collection. It autofocuses very well. Just like a Nikon user would be used to, except that the focusing noise is slightly different - but still quiet, fast and accurate. One potential downside is that it is a little bigger and heavier than you might expect, but personally I quite like the weighty feel.You can read reviews on the internet where this lens tends to score higher for picture quality than competing lenses from Tokina etc, although the reviews don't give it 10 out of 10, they say it has some edge softness etc - but I think you'd have to be photographing test charts in lab conditions to spot that - in the real world this lens offers impressive quality and is a superb match for a Nikon system.I was concerned about buying a non-Nikon lens, but I needn't have been: I cannot fault this Sigma 10-20mm lens.
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13.11.2013

It was a choice between this or the Tamrom 10-24, which gives a marginally better optical range, but as the range we all buy these wide-angles for is closer to the 10 mark then the extra headroom afforded by the Tamrom was not a point to be considered, except that it might actually detract from optical perfection, having a wider range.Initial observations are that straight lines stay roughly straight, except for those bowed convergent verticals in extreme camera angles relative to subject - that is, no additional warping due to low grade optics.The build is of a semi-hard rubberised plastic, seems resilient without needing to be solid or metal as was the case years ago before these high-durability plastics were invented.It's not going to bashed about that much, something that costs this much is going to be taken care of! But on the opffchance there's a bump while I'm out and about, the plastic seems more than adequate to protect.Smooth focus, and it also works on the in-between range of SLRs that were current before the new range: that is to say, the new range makes use only of lenses that have their own focusing engine built in, while the previous generation of SLRs could either use this function or enlist a motor built into the camera itself to focus the lens - this works with both types. The older SLRS which only employed the focus motor built into the camera will have to be stepped down to manual-only focus. Hardly a problem at all as the focus is extremely deep anyway.
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12.6.2009

My favourite focal lengths on my 35mm film cameras used to be 28mm and 20mm. When I worked with John Claridge as his assistant, I often used to wish I could afford the 15mm Nikkor that he used so often.Now this Sigma gives me 15 - 30mm [equiv] and I'm pleased as can be. If I was asked to spec a focal length range for a wide zoom, this is exactly it. The drawing you get from lenses from 30mm and wider gives the kind of interest I'm looking to produce in my pictures. It's immediately made itself my default lens and max-wide tends to be my default focal length.I've got a sklight filter in permanent residence and that is very frequently joined by a polariser.Polariser filters are by nature quite thick beasts so I do get a little vignetting at max wide and well stopped down but the merest touch of zoom in - usually only removing some of the area I'd already dialed in for a crop, but in any event, not usually enough change to ruin the shot - and the vignetteing is gone.How Sigma do this for the price, I don't know but it's worth every penny. It seems chunkily well made. The images seem to be very high quality - tho I'm pretty new to digital photography so have no great fund of experience to draw on. I'd buy the equiv Nikkor every time if money was no object but Nikkors are totally beyond my budget.But anyone with a Sigma's worth of dosh to spend on a wide zoom, as opposed to the Nikon or Canon equiv, is going to be really pleased with buying this lens.
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13.9.2013

I had to review after reading the one star review someone left because they bought a grey import inadvertently through Amazon and totally failed to review the lens itself.I got mine just under 2 years ago as I was selling a Nikon D5000 and moving to the D5100. I have since moved to the D5200. Some may respond and say I am wasting money, but to put it in context, I shoot mostly landscapes, and the three cameras are the only Nikons to offer the tilt and flip out LCD which can be amazing for compostion on a tripod. The camera updates were done simply to keep the maximum resolution possible, to enable large prints and to enable cropping images out of the main shot.That's the thing with landscapes - sometimes you don't 'see'an image until it is on the computer screen, too late to re-shoot. Then, you have to crop and suffer a loss of resolution. Now I have the 24Mp D5200, such crops don't impact on quality, within reason.This is why I am reviewing only now, and not sooner. The sigma produces amazing shots and the high res really shows this. Buy one, the Nikon is a rip off at nearly twice the price.I too bought a grey import, and through Amazon - I put in a complaint and the seller got in touch. We negotiated extended warranty, and they refunded me approx £50 so I kept it, and have never regretted it.Trust me, buy one, you'll love it if you are a wide angle shooter - try to use f8, that's the sweet spot on this one.
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2.4.2015

This is a very impressive lens for all sorts of reasons. Firstly, and from the minute you open the box you get a feeling of quality. The lens barrel is in a matt finish and looks extremely smart with the appearance, colour and feel of a lens for a Nikon camera. More importantly, it works smoothly and with a quiet efficiency. It achieves focus as quietly as any of my Nikon lenses and I have to say it feels every bit as solid.In terms of image quality it also impresses. So far I have just done a load of test shots around and near my home but the results have been very pleasing. I have encountered some slight chromatic aberration but nothing to cause any concern. In terms of sharpness,again I have been very impressed. Some reviewers have commented upon a slight edge softness. So far I have not been aware of it although it is early days and I have not taken shots in a variety of lighting conditions. Most of my shots have been landscapes in reasonably bright daylight conditions. I cannot fault the sharpness of the lens. In fact, it is probably better than I was expecting given the price.Finally, the most impressive part. You can get this cracking lens at a heavily discounted price (discounts between 40%-50%). If you are in the market for a wide angle zoom that you can carry around all day then you really should consider this one.
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