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Sigma 10-20mm f/4-5.6 EX DC HSM : Specifications and Opinions
YOU ARE IN : Reviews » Lenses Sigma » Sigma 10-20mm f/4-5.6 EX DC HSM
Specifications | |
| Focal lenght | 10-20 mm |
| Angle of view | 102.4 - 63.8° |
| Max. aperture | f/4.5 - 5.6 |
| Aperture blades | 6 |
| Lenses/Groups | 14 elements in 10 groups |
| Min. focus distance | 0.24 meters |
| Reproduction ratio | 0.15x |
Features | |
| Zoom type | Ring, interal |
| Internal AF | Yes |
| Full Time MF | Yes |
Built and notes | |
| Tripod ring | No |
| Extenders | No |
| Filters | 77 mm |
| Lens hood | Yes, supplied |
| Weather sealing | No |
| Weight | 470 g |
| Dimensions | 84 x 81 mm |
Photos taken with Sigma 10-20mm f/4-5.6 EX DC HSM
Click here to see sample photos taken with this lens!Reviews
The opinion of JuzaPhoto members that own this lens. If you have the Sigma 10-20mm f/4-5.6 EX DC HSM, you can add your opinion! What do you think about this lens?
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The following opinions have been automatically translated with Google Translate.pubblicata da Mirko Frattani September 24, 2011
Pros: excellent value for money and ultrasonic motor
Cons: no one in particular
Opinion: is an excellent optics, one of the highest optical thrusts on which it is possible to mount filters. valid alternative to the canon 10-22. if you do not have special needs diaphragm type 2.8 or an angle of extreme as the sigma 8-16 is the ideal wide angle, much cheaper than the canon but as quality is a worthy opponent. I highly recommend it
Pros: excellent value for money and ultrasonic motor
Cons: no one in particular
Opinion: is an excellent optics, one of the highest optical thrusts on which it is possible to mount filters. valid alternative to the canon 10-22. if you do not have special needs diaphragm type 2.8 or an angle of extreme as the sigma 8-16 is the ideal wide angle, much cheaper than the canon but as quality is a worthy opponent. I highly recommend it
pubblicata da Riki September 24, 2011
Pros: Angle of view, contained distortions, sharpen, good construction, good value for money
Cons: No
Opinion: For those who love landscapes this is a good lens has an angle of view spectacular, when the bubble distortions are minimal, the sharpness is not his forte but with a good sharpening in PP can be improved, the flare I'm pretty content. The objective is well built, solid, good rings, with the hood already supplied. Of course makes the most with the largest depth of field and focus on infinity, I often use it in manual and F11 for landscapes, but he also enjoys taking pictures "alternative" on the most disparate AF (not fast but good) . I've got it used, so I found a good lens that does not suffer from front / back focus, a defect that sometimes the Sigma lenses have.
Pros: Angle of view, contained distortions, sharpen, good construction, good value for money
Cons: No
Opinion: For those who love landscapes this is a good lens has an angle of view spectacular, when the bubble distortions are minimal, the sharpness is not his forte but with a good sharpening in PP can be improved, the flare I'm pretty content. The objective is well built, solid, good rings, with the hood already supplied. Of course makes the most with the largest depth of field and focus on infinity, I often use it in manual and F11 for landscapes, but he also enjoys taking pictures "alternative" on the most disparate AF (not fast but good) . I've got it used, so I found a good lens that does not suffer from front / back focus, a defect that sometimes the Sigma lenses have.
pubblicata da Luke88 September 24, 2011
Pros: Excellent value for money, the initial endowment with bag and lens hood, nuts resistant, minimum distortion, flare resistance
Cons: Sharpness contained, not very fast AF motor
Opinion: was my first lens, maybe not perfect, I took him in and found him an offer enough solid content for both size and weight. The sharpness is not the best: like the center with the Canon or the Sigma 8-16 decade while the edges. F/11 to perform well in landscapes, especially if wide-ranging but requires a minimum of work in PP following the shooting. Clicking backlight shows a good resistance to flare and a more than acceptable color fidelity. Overall I would consider it a good lens for the neophyte of the landscapes in which training and approach to this area of ??the photograph without major economic efforts.
Pros: Excellent value for money, the initial endowment with bag and lens hood, nuts resistant, minimum distortion, flare resistance
Cons: Sharpness contained, not very fast AF motor
Opinion: was my first lens, maybe not perfect, I took him in and found him an offer enough solid content for both size and weight. The sharpness is not the best: like the center with the Canon or the Sigma 8-16 decade while the edges. F/11 to perform well in landscapes, especially if wide-ranging but requires a minimum of work in PP following the shooting. Clicking backlight shows a good resistance to flare and a more than acceptable color fidelity. Overall I would consider it a good lens for the neophyte of the landscapes in which training and approach to this area of ??the photograph without major economic efforts.
pubblicata da PietroGuida September 25, 2011
Pros: Price, robustness, good sharpness
Cons: low light
Opinion: It 'a good target, good for landscapes, the best if you consider the price. And 'quite sharp even at the edges, not like the Sigma 8-16, but on the other hand can mount filters, is more compact and pleasant to look at. It 'a goal that does not suffer from front-back focus because it has a considerable depth of field even at maximum aperture that starts at f / 4. I recommend it and prefer it to Canon 10-22 that has great benefits, but comes at a higher price.
Pros: Price, robustness, good sharpness
Cons: low light
Opinion: It 'a good target, good for landscapes, the best if you consider the price. And 'quite sharp even at the edges, not like the Sigma 8-16, but on the other hand can mount filters, is more compact and pleasant to look at. It 'a goal that does not suffer from front-back focus because it has a considerable depth of field even at maximum aperture that starts at f / 4. I recommend it and prefer it to Canon 10-22 that has great benefits, but comes at a higher price.
pubblicata da Fabio Borile September 25, 2011
Pros: -Excellent value for money. -Lens hood and pouch included. -Well built.
Cons: With my model reflected a drop in sharpness at the edges with diaphragms aperti.In especially the right edge. I am forced to shoot with small apertures to achieve good uniformity of sharpness between the center and edges.
Opinion: -The difference in sharpness between the center and edges is a known problem on this goal, but there are marketing models that do not have this problem. (I have some doubts on how to face Sigma quality control.) For the rest of the lens is well built, presiso autofocus is quick and can be mounted filters. Do not suffer in the low light lens as I use it mostly for landscapes and shooting with tripod
Pros: -Excellent value for money. -Lens hood and pouch included. -Well built.
Cons: With my model reflected a drop in sharpness at the edges with diaphragms aperti.In especially the right edge. I am forced to shoot with small apertures to achieve good uniformity of sharpness between the center and edges.
Opinion: -The difference in sharpness between the center and edges is a known problem on this goal, but there are marketing models that do not have this problem. (I have some doubts on how to face Sigma quality control.) For the rest of the lens is well built, presiso autofocus is quick and can be mounted filters. Do not suffer in the low light lens as I use it mostly for landscapes and shooting with tripod
pubblicata da Preben Elkjaer October 11, 2011
Pros: Value for money, construction, ultrasonic motor, good image quality, lens hood and pouch included, possibility to use filters
Cons: Yield variability from specimen to specimen, lower yield on the edge at room temperature
Opinion: Considering the price, this is an ultrawide attractive: the construction is solid and consistent, the fast AF, good sharpness (which improves closing of a stop), and finally gives the possibility to use filters. Compared to Canon, less saturated colors and them "warm" a little 'more, but to have a beautiful sky saturated, however, is just close to two-thirds of third-stop during the trip (otherwise go towards the heavens white). Fair held at the flare. In terms of sharpness, we are close to 10-22, but here it is also variability in performance from specimen to specimen and it is often necessary to send everything in assistance for the calibration of the lens. My though was perfect and did not need the Micro. The equipment is complete and offers hood and leather bag. In conclusion: the Canon has its yield better overall (saturation, micro-contrast, greater consistency between the center and edges), and certainly requires fewer interventions in PP, but compared to 10-20 also costs twice as much and still the Sigma certainly his front looks good.
Pros: Value for money, construction, ultrasonic motor, good image quality, lens hood and pouch included, possibility to use filters
Cons: Yield variability from specimen to specimen, lower yield on the edge at room temperature
Opinion: Considering the price, this is an ultrawide attractive: the construction is solid and consistent, the fast AF, good sharpness (which improves closing of a stop), and finally gives the possibility to use filters. Compared to Canon, less saturated colors and them "warm" a little 'more, but to have a beautiful sky saturated, however, is just close to two-thirds of third-stop during the trip (otherwise go towards the heavens white). Fair held at the flare. In terms of sharpness, we are close to 10-22, but here it is also variability in performance from specimen to specimen and it is often necessary to send everything in assistance for the calibration of the lens. My though was perfect and did not need the Micro. The equipment is complete and offers hood and leather bag. In conclusion: the Canon has its yield better overall (saturation, micro-contrast, greater consistency between the center and edges), and certainly requires fewer interventions in PP, but compared to 10-20 also costs twice as much and still the Sigma certainly his front looks good.
pubblicata da Sergio Ricca October 21, 2011
Pros: Good sharpness, robust mechanics
Cons: Problems with AF.
Opinion: With my copy, I have the autofocus that locks up occasionally and for no apparent reason. It happens in the most varied conditions of focus. Moving the ring for manual focus, everything continues. This happens on both the Nikon D100 than on the D300. (Although I doubt the validity of the quality control of Sigma) I bought this light (new) in 2007. Using it for photos of paesaggo this problem is more of a "nuisance" so much is that they are holding me so. For all the rest are happy with this lens. I just wanted to report this problem to warn that he was going to buy optics used preriodo of that and put it on D300. (There will be only my fault with this?? Ho I am the loser!).
Pros: Good sharpness, robust mechanics
Cons: Problems with AF.
Opinion: With my copy, I have the autofocus that locks up occasionally and for no apparent reason. It happens in the most varied conditions of focus. Moving the ring for manual focus, everything continues. This happens on both the Nikon D100 than on the D300. (Although I doubt the validity of the quality control of Sigma) I bought this light (new) in 2007. Using it for photos of paesaggo this problem is more of a "nuisance" so much is that they are holding me so. For all the rest are happy with this lens. I just wanted to report this problem to warn that he was going to buy optics used preriodo of that and put it on D300. (There will be only my fault with this?? Ho I am the loser!).
pubblicata da Alfonsomorabito January 17, 2012
Pros: sharpness, very good resistance to flare, ac non-existent distortions only in extreme cases
Cons: dim
Opinion: I use it for over a year with great satisfaction and it struck me very positively. At the time of purchase candidates were Tamron 10-24 (discarded because faint and not very resistant to flare), Sigma 8-16 (discarded because of the inability to mount filters) Sigma 10-20, Canon 10-22 and Tokina 11-16. I was very keen for the Tokina, its brightness made me very throat, especially for night photography, but eventually reading the various reviews I chose this lens. The only thing that really blame the poor is the maximum brightness of f4 ... for the rest only PRO!
Pros: sharpness, very good resistance to flare, ac non-existent distortions only in extreme cases
Cons: dim
Opinion: I use it for over a year with great satisfaction and it struck me very positively. At the time of purchase candidates were Tamron 10-24 (discarded because faint and not very resistant to flare), Sigma 8-16 (discarded because of the inability to mount filters) Sigma 10-20, Canon 10-22 and Tokina 11-16. I was very keen for the Tokina, its brightness made me very throat, especially for night photography, but eventually reading the various reviews I chose this lens. The only thing that really blame the poor is the maximum brightness of f4 ... for the rest only PRO!
pubblicata da Simofrig February 08, 2012
Pros: Quality, size, angle of view, price
Cons: Not excellent sharpness in the corners (at least my copy)
Opinion: Excellent lens for those who do not need extreme quality is perfect for landscape photos with a very wide angle of view and why not, even for a little portraits' original. Does not suffer much distortion. My copy is very sharp in the corners, but I was able to try other, much better than mine. For those who want to get closer to grand'angolari pushed, this lens is certainly a good alternative and is used at a reasonable price .. I used it for 3 years and gave me a lot of satisfaction! Recommended!
Pros: Quality, size, angle of view, price
Cons: Not excellent sharpness in the corners (at least my copy)
Opinion: Excellent lens for those who do not need extreme quality is perfect for landscape photos with a very wide angle of view and why not, even for a little portraits' original. Does not suffer much distortion. My copy is very sharp in the corners, but I was able to try other, much better than mine. For those who want to get closer to grand'angolari pushed, this lens is certainly a good alternative and is used at a reasonable price .. I used it for 3 years and gave me a lot of satisfaction! Recommended!
pubblicata da Supermariano81 May 15, 2012
Pros: Value for money, good resistance to flare, sharpness
Cons: Brightness
Opinion: An optical council often has a favorable value for money, to take into account the fact that you can mount filters. Great alternative to the canon 10-22. A very good sharpness, further gains if you close one stop. I replaced it with the tokina 11-16 because I needed a wide bright, otherwise I would have kept.
Pros: Value for money, good resistance to flare, sharpness
Cons: Brightness
Opinion: An optical council often has a favorable value for money, to take into account the fact that you can mount filters. Great alternative to the canon 10-22. A very good sharpness, further gains if you close one stop. I replaced it with the tokina 11-16 because I needed a wide bright, otherwise I would have kept.
pubblicata da Renton June 15, 2012
Pros: Sharpness, ultrasonic motor, flare resistance, durability, price.
Cons: Dim
Opinion: Perspective that gives great satisfaction. I find it quite clearly, is equipped with an AF in my opinion well balanced and easy thanks to the ultrasonic motor. Generally gives a feeling of strength. I was impressed by the resistance to flare, also in relation to the price (much higher than the Canon 10-22) offers a lot. A nice wide angle which I highly recommend.
Pros: Sharpness, ultrasonic motor, flare resistance, durability, price.
Cons: Dim
Opinion: Perspective that gives great satisfaction. I find it quite clearly, is equipped with an AF in my opinion well balanced and easy thanks to the ultrasonic motor. Generally gives a feeling of strength. I was impressed by the resistance to flare, also in relation to the price (much higher than the Canon 10-22) offers a lot. A nice wide angle which I highly recommend.
pubblicata da Soulwoman July 24, 2012
Pros: Build quality, weight, size, durability, price
Cons: clarity rather disappointing
Opinion: I've had this lens for a few months, bought new and fitted to Canon 50d, but I was never satisfied. In particular, I noticed drops rather obvious and disastrous of sharpness, especially at the edges, but also at the heart in some cases. Initially I thought I had a defective copy, but after several tests and comparisons with others, I realized that this lens has limitations. Of course, if used between f11 and f13, iso 100 with tripod to the situation improves, but this makes it very flexible and versatile. If it can be useful on my website I did some test http://www.soulwomanphoto.com/blog/obiettivi/test-nitidezza-sigma-10-20-f45-6/
Pros: Build quality, weight, size, durability, price
Cons: clarity rather disappointing
Opinion: I've had this lens for a few months, bought new and fitted to Canon 50d, but I was never satisfied. In particular, I noticed drops rather obvious and disastrous of sharpness, especially at the edges, but also at the heart in some cases. Initially I thought I had a defective copy, but after several tests and comparisons with others, I realized that this lens has limitations. Of course, if used between f11 and f13, iso 100 with tripod to the situation improves, but this makes it very flexible and versatile. If it can be useful on my website I did some test http://www.soulwomanphoto.com/blog/obiettivi/test-nitidezza-sigma-10-20-f45-6/
pubblicata da Gian Piero Luciani September 05, 2012
Pros: Angle of view, value for money, 77mm filter
Cons: Low light, with only 6 aperture blades.
Opinion: The focal range covered is very intriguing and interesting compositions allows especially in the countryside. The lens is not particularly bright, but the scenery is usually not a big problem, but the range of focal lengths today might not seem extreme, but over the competitors this perspective presents a great value for money. If I were to buy it today probably would estimate also the main competitors sigma 8-16 (focal extreme), sigma 10-20 f3.5 (brighter) or nikkor 10-24 (zoom largest and most noble brand), but these other cases would come to spend more to get more or less the same results. Interestingly, filter diameter 77mm to 82mm more common than the sigma 10-20 f3, 5, while I find a shame the diaphragm only 6 blades. Construction EX in my opinion qualitatively valid, but the optical quality can be easily verified by looking at all the photos taken with this lens are also on this site.
Pros: Angle of view, value for money, 77mm filter
Cons: Low light, with only 6 aperture blades.
Opinion: The focal range covered is very intriguing and interesting compositions allows especially in the countryside. The lens is not particularly bright, but the scenery is usually not a big problem, but the range of focal lengths today might not seem extreme, but over the competitors this perspective presents a great value for money. If I were to buy it today probably would estimate also the main competitors sigma 8-16 (focal extreme), sigma 10-20 f3.5 (brighter) or nikkor 10-24 (zoom largest and most noble brand), but these other cases would come to spend more to get more or less the same results. Interestingly, filter diameter 77mm to 82mm more common than the sigma 10-20 f3, 5, while I find a shame the diaphragm only 6 blades. Construction EX in my opinion qualitatively valid, but the optical quality can be easily verified by looking at all the photos taken with this lens are also on this site.
pubblicata da Hailwood September 06, 2012
Pros: sturdy, good overall construction. like all sigma is affordable. optimal range for indoor use.
Cons: chromatic aberrations, poor sharpness and brightness, distortion, vignetting heavy.
Opinion: is a goal that I never particularly loved. I have always found the dull colors and little overall sharpness and also working hard in post production have never been able to get the desired result. In landscape photography are often left disappointed. with this objective in the sky seen and photographed that are just two different things! other things are different with the interior architecture. working on a tripod with this lens I was fine. So for those in the photograph is a lover of sharpness and general cleaning advice more ... and if we prefer the composition and more importance to the subject then it is advisable. Finally I read other negative comments sull'autofocus: on my copy is perfect and repeat the drop in sharpness in different areas of the visual field.
Pros: sturdy, good overall construction. like all sigma is affordable. optimal range for indoor use.
Cons: chromatic aberrations, poor sharpness and brightness, distortion, vignetting heavy.
Opinion: is a goal that I never particularly loved. I have always found the dull colors and little overall sharpness and also working hard in post production have never been able to get the desired result. In landscape photography are often left disappointed. with this objective in the sky seen and photographed that are just two different things! other things are different with the interior architecture. working on a tripod with this lens I was fine. So for those in the photograph is a lover of sharpness and general cleaning advice more ... and if we prefer the composition and more importance to the subject then it is advisable. Finally I read other negative comments sull'autofocus: on my copy is perfect and repeat the drop in sharpness in different areas of the visual field.
pubblicata da Mattfala October 29, 2012
Pros: Quality / price ratio, resistance to flare, construction, speed autofocus.
Cons: Dark.
Opinion: Great value prezzo.rnL 'objective is dark and therefore not one of the most suitable, for example, for night shots to the stars / Milky Way (it should still be usable!). RnCostruzione good and excellent resistance to flare and focus speed. rnParagonato objectives as the 10-22 has the disadvantage of being dark, but the advantage of costing almost half! rnObiettivo highly recommended if you are interested in broad perspectives such as landscape photographs.
Pros: Quality / price ratio, resistance to flare, construction, speed autofocus.
Cons: Dark.
Opinion: Great value prezzo.rnL 'objective is dark and therefore not one of the most suitable, for example, for night shots to the stars / Milky Way (it should still be usable!). RnCostruzione good and excellent resistance to flare and focus speed. rnParagonato objectives as the 10-22 has the disadvantage of being dark, but the advantage of costing almost half! rnObiettivo highly recommended if you are interested in broad perspectives such as landscape photographs.
pubblicata da Korsoo January 07, 2013
Pros: Excellent value for money, to start taking pictures with a wide angle pushed is ideal. RnBen assemblato.rn
Cons: Difference in sharpness from one model to another, my example is a little on the edge nitido.rnTappo that will not stay closed very well, with a breath salta.rnPresenza considerable flare in backlit.
Opinion: The goal itself is a well-built, robust and fast focus, but all in all makes his dovere.rnLo advice to those who want to start taking pictures with a wide angle pushed without spending follie.rnAnche if it was not used so excessive, we can say that it is well built, in fact I have it for five years and it seems nuovo.rnConsigliato to those who are beginners.
Pros: Excellent value for money, to start taking pictures with a wide angle pushed is ideal. RnBen assemblato.rn
Cons: Difference in sharpness from one model to another, my example is a little on the edge nitido.rnTappo that will not stay closed very well, with a breath salta.rnPresenza considerable flare in backlit.
Opinion: The goal itself is a well-built, robust and fast focus, but all in all makes his dovere.rnLo advice to those who want to start taking pictures with a wide angle pushed without spending follie.rnAnche if it was not used so excessive, we can say that it is well built, in fact I have it for five years and it seems nuovo.rnConsigliato to those who are beginners.
pubblicata da Rusvelt2000 January 07, 2013
Pros: Autofocus immediate, excellent field of view, very good quality / price
Cons: Maybe a little dark
Opinion: Great lens that makes it the right time and costs. The materials are great, autofocus is a chip and also the sharpness on the first floor offers beautiful emotions. IMHO that creates the flare in backlit situations is not the best, but it remains contained and easy to remove with a simple touch in post production if you do not want him. For the rest, nothing to say, I'm happy with the choice fatta.rnUnica precaution in the days when I bought it (about a year ago) I read it, and unfortunately I read here that some models have problems related to lack of sharpness at the edges of but fortunately I have not encountered this problem in my view, but before buying I did a test in the store to see the results. Council then to anyone who wants to buy at least one test before leaving to beat the ticket seller! In this case provatene more than one (if they are available in store). Rn
Pros: Autofocus immediate, excellent field of view, very good quality / price
Cons: Maybe a little dark
Opinion: Great lens that makes it the right time and costs. The materials are great, autofocus is a chip and also the sharpness on the first floor offers beautiful emotions. IMHO that creates the flare in backlit situations is not the best, but it remains contained and easy to remove with a simple touch in post production if you do not want him. For the rest, nothing to say, I'm happy with the choice fatta.rnUnica precaution in the days when I bought it (about a year ago) I read it, and unfortunately I read here that some models have problems related to lack of sharpness at the edges of but fortunately I have not encountered this problem in my view, but before buying I did a test in the store to see the results. Council then to anyone who wants to buy at least one test before leaving to beat the ticket seller! In this case provatene more than one (if they are available in store). Rn
pubblicata da Xisidoro March 26, 2013
Pros: Sharp, sharp, sharp (my copy at least), strong, good resistance to flare, it features filters, 10mm fantastic!
Cons: Focal length of 10mm (10-20), brightness, only to aps-c
Opinion: I've had it for a while and what impressed me was the sharpness across the frame. I sold it because the 20 mm maximum forced me to change lens often when I was around. I was looking for a wide angle a bit brighter and with a focal best suits my needs (tokina 12-24 f4 II). If used exclusively for landscape has few rivals on aps-c.
Pros: Sharp, sharp, sharp (my copy at least), strong, good resistance to flare, it features filters, 10mm fantastic!
Cons: Focal length of 10mm (10-20), brightness, only to aps-c
Opinion: I've had it for a while and what impressed me was the sharpness across the frame. I sold it because the 20 mm maximum forced me to change lens often when I was around. I was looking for a wide angle a bit brighter and with a focal best suits my needs (tokina 12-24 f4 II). If used exclusively for landscape has few rivals on aps-c.
pubblicata da Taranis May 11, 2013
Pros: Price, robustness and HSM. Distortions subsidiaries and color rendition. Ability to mount filters.
Cons: No pull not to purchase due to the characteristics of the lens, you will notice a drop in sharpness at the edges, but given the wide field of view captured can be there. Painting and finishing sigma a little delicate.
Opinion: This goal I was immediately won over because of its wide field of vision. Compared to competitors in the market is the cheapest (excluding the tamron) and I have always carried with me during all my travels. Robust and compact, I took in the mountains and in the desert without ever buckled under adverse weather conditions. It has excellent color rendering with saturated colors and faithful, also controls discreetly distortions. Of course it is not free from defects, in fact I have always noticed a drop in sharpness at the edges, but I think it's also a fair compromise seen the extreme focal manages to reach. It is not the brightest lens in the world but it is fully usable unless they are indispensable Aperture 3.5 or 2.8. I sold it after years of loyal service, with the understanding that it is a great goal, to go to the sigma 12-24, hoping to get the same results. Ideal introduction to the use of wide-angle recommend it as a travel companion, is able to give great satisfaction.
Pros: Price, robustness and HSM. Distortions subsidiaries and color rendition. Ability to mount filters.
Cons: No pull not to purchase due to the characteristics of the lens, you will notice a drop in sharpness at the edges, but given the wide field of view captured can be there. Painting and finishing sigma a little delicate.
Opinion: This goal I was immediately won over because of its wide field of vision. Compared to competitors in the market is the cheapest (excluding the tamron) and I have always carried with me during all my travels. Robust and compact, I took in the mountains and in the desert without ever buckled under adverse weather conditions. It has excellent color rendering with saturated colors and faithful, also controls discreetly distortions. Of course it is not free from defects, in fact I have always noticed a drop in sharpness at the edges, but I think it's also a fair compromise seen the extreme focal manages to reach. It is not the brightest lens in the world but it is fully usable unless they are indispensable Aperture 3.5 or 2.8. I sold it after years of loyal service, with the understanding that it is a great goal, to go to the sigma 12-24, hoping to get the same results. Ideal introduction to the use of wide-angle recommend it as a travel companion, is able to give great satisfaction.
Lens comparison
Photos taken with Sigma 10-20mm f/4-5.6 EX DC HSM
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