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Sigma-18-50mm-f2-8-4-5-dc-os-hsm.12282837
8.1 out of 10

Sigma 18-50mm F2.8-4.5 DC OS HSM

With the widespread popularity of the small sensor APS-c format Read more

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Reviews and Problems with Sigma 18-50mm F2.8-4.5 DC OS HSM

Showing 1-10 of 14
Overall 4
4.0

not for Pentax users

Jorge Acuna, Amazon
4 July 2012
  • Summary: if you are thinking to acquire this lens as your first lens is ok, but if you are thinking to buy this lens just to replace your kit lens, its better not. I own a Pentax K-x and I decided to buy this lens looking to have a brighter lens (it has F/2.8). Well, it has the same light input at F/2.8 as the Pentax kit lens at F/3.5, (I tested both under controlled conditions). So the F/2.8 doesn't provide any shutter speed advantage over the kits lens.
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Overall 4
4.0

Soft, with lots of aberrations

A. Nathanson, Amazon
26 June 2010
  • Summary: I used this lens with my Rebel T2i, and believe me, I really wanted to like it for its $200 price point. Wide-open at f/2.8 (available only at 18mm), I was dumbfounded by how soft the output was. Stopped-down to f/11, the lens exhibits adequate sharpness, but displays high levels of (correctable) distortion. The lens really struggles to resolve any detail in the corners at most focal lengths. I would not recommend this lens to anyone who tends to view images at 100%.
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Overall 4
4.0

Pentax users beware: low-light shots are no better than kit lens

Neildo, Amazon
12 February 2010
  • Summary: I bought this lens hoping that the F/2.8 and optical stabilization would provide better indoor shots than the Pentax kit lens 18-55mm F/3.5-5.4. Unfortunately it provides no improvement for low-light shots. I am using this on a Pentax K-x. The first problem is that despite being F/2.8, it's not a bright lens. At the widest aperture F/2.8 at 18mm, this lens has the same light input as the Pentax kit lens at F/3.5.
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Overall 4
4.0

Poor image quality

Alan, Amazon
5 May 2013
  • Summary: Its built solid, focus is ultra fast, the VR really works great. But if your serious about your photography give this a miss as the image quality is no where near good enough, if you just want a lens to mess about with you may be happy with it.
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Overall 4
4.0

Looks the part it's far from it !!!

Paul Stephen King, Amazon
17 December 2012
  • Summary: Unpack it and the build quality is great. Mount it on your camera and the focus is fast. But it's no macro lens that's for sure. Okay the images are crisp, sharp and bright when you have good available light but anything above f8 and the chromatic aberration is dreadful. In fact it's so bad by the time I had cropped one image to retain the sharp areas may as well have taken it with a mobile phone.
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Overall 4
4.0

OK for a casual, poor for an amateur/semi-pro photographer

Thomas Black, Amazon
21 March 2012
  • Summary: I bought this lens for my 500D to replace my kit lens and to give me the option of taking some wide-angle shots at F2.8, which would have been good for my live-music photography. What I got was a lens which, whilst well made and sturdy, was well below-par in terms of picture quality and sharpness. A quickl test shoot with the lens - of a vase of flowers - looked fine when you didn't look too close at it.
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Overall 4
4.0

User Review

Павлов Дмитрий, Yandex
14 December 2013
  • Excerpt: Брал как штатник. Тестил несколько экземпляров, вроде нашел с нормальным фокусом. Через пару лет накрылся по собственным причинам. В сервисе развели руками: "запчастей на сигму нет". Ну да и овчинка выделки не стоит.
  • Pros: цена, приятно лежит в руке
  • Cons: экземпляр надо выбирать, низкая надежность
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Overall 4
4.0
Design 8
8.0

evitate

AlessioSBT, Ciao
12 April 2013
  • Summary: gli zoom standard sono bui e costano molto poco gli zoom professionali hanno grandi aperture (in genere 2.8 su tutta la lunghezza focale) ma costano uno stipendio (se non di più) ogni tanto escono valide alternative da terze parti,ma non è questo il caso la resa ottica degli obiettivi di aziende esterne (tamron,sigma ecc) già normalmente non eccelle,ma almeno propongono soluzione valide (come per esempio il diaframma a 2.8 fisso come negli obiettivi professionali) questo...
  • Pros: nessuno
  • Cons: poco luminoso
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Overall 4
4.0

Fast 2013 und immer noch Endkontrolle durch Kunden

Niklas R., Amazon
2 November 2012
  • Summary: Erst mal das Positive: +Sehr guter und schneller AF +Innenfokusierend +Gute Farbwiedergabe +Stabiel gebaut +Sonnenblende dabei Jetzt zum Negativen. -Das Objektiv mit EF Barionett lässt sich nur schwer auf meine 450d drehen, bei mein Tamron Sp 70-300 geht das Butterweich und sitzt Bombe. -Gute Fotos er ab Blende 7,1 hört sich soweit logisch an bloß mein Kit objektiv (18-55 IS) (nicht II !!!
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Overall 4
4.0

Enttäuschend

Sui "Sui", Amazon
2 March 2011
  • Summary: Ich habe mir das Objektiv aufgrund einiger positiver Kritiken und Tests gekauft, um in den USA Architektur und Landschaft schöner festhalten zu können. Zuhause ausgepackt fiel mir dann im Vergleich zu Canons KIT Objektiv ESf 18-55mm direkt die bessere Qualität der Bauweise auf. Nach ein paar Schnellschüssen in der Wohnung verwendetet ich ein Testblatt zur Überprüfung des Focus.
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