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Sigma CorpofAmerica
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Prime 1.8 lenses or the Sigma 18-35mm 1.8 DC HSM Art?.. see what the great folks over at +TheCameraStoreTV  have to say with a great hands on review http://bit.ly/1Imycds #sigma #sigma18_35mmArt #photography #sigmalenses  
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jsm666's profile photoJames Haddock's profile photo
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It is both shameful and reprehensible, that Sigma recklessly released a product such as the 18-35 in K mount, without completion of all necessary due diligence tests and measures prior to the release of this product.

Please advise solution date for the extraordinary and fully documented auto focus failure relationship of the Sigma 18-35 f1.8 Art lens and Pentax K mount camera bodies.

Without either a hard solution date or firmware update to address this now well documented issue, this issue now must be considered an admitted fraud committed by either Sigma, Pentax or both. 

Please advise your council of record.

Govern yourselves accordingly.

R/James-    
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Sigma CorpofAmerica

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Full-resolution image sample from the dp2 Quattro. 6/10 second F7 ISO 100, 15W LED flood lamp for lighting. 
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Full resolution 16-bit TIFF from Sigma dp2 Quattro from X3F Raw file converted in Sigma Photo Pro. Shot wide open at F2.8. 
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Bill Barr's profile photoYak Hong Yung's profile photo
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112MB..... huge
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Hi, I am looking for sigma 50-150 APS-C for nikon, but it is out of stock?? What happened.
When it will be in stock again?
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One of my favorite shots from my DP3 Merrill test shoot and blog posting. Such incredible detail through this lens and onto the Merrill Generation Foveon sensor.  ~~ Jack Howard 
Antique ramhorn handled carving knife and asparagus. Sigma DP3 Merrill. Lit with a softbox strobe.
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Sigma CorpofAmerica was in a video call with 1 person. <a class='ot-hashtag' href='https://plus.google.com/s/%23hangoutsonair'>#hangoutsonair</a>Liam Doran
Sigma talks with photographer Liam Doran
Sigma CorpofAmerica and 1 other participated
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Sigma CorpofAmerica

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Another full-resolution dp2 Quattro sample image, this one at F4. #SigmaQuattro
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Hi guys ! one quick question , i have lots of Canon lenses and i would like to buy the SD1 Merrill Digital SLR  camera , but i dont want to throw away my canon lenses .. is there an adapter available? 
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Full-resolution highest-quality JPEG image sample from the dp2 Quattro wide open at F2.8.  #SigmaQuattro
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Studio and available light portrait tips with the Sigma 17-70mm F2.8-4.0 DC OS HSM | C lens by Judy Host here! http://blog.sigmaphoto.com/2013/lighting-patterns-with-sigmas-17-70mm-f2-8-4-dc-macro-os-hsm/
Sigma Pro Judy Host stresses the importance of using the correct lens and lighting to create beautiful photography.
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Royi Avital's profile photoJhon Indra's profile photoAlex Eganov's profile photoMohammed Jasaam's profile photo
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Hi  
I have a question, if possible
I have the following lenses from Sigma
8 mm  f / 3.5 Fish Eye Circular
10-20 mm F / 4-5.6
18-300 mm F / 3.5-5.6 C
50 mm F / 1.4  A 
105 mm F / 2.8 MACRO
My question is
Is that the lenses above what compensates for lens Sigma 18-35 mm F / 1.4 A 
In terms of efficiency and sharper pictures?
Or do I buy another lens to complement the series lenses have? What are the lens that you should buy it?
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Mario Discepolo's profile photo
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Amine Behih's profile photo
мади муратова's profile photo
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  • Sigma Corporation
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Official Google+ account of Sigma Corporation of America
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Welcome to the Official Sigma Corporation of America page!

This family-owned organization is the largest, independent SLR lens manufacturer in the world, producing more than 40 lenses that are compatible with most manufacturers, including Sigma, Canon, Sony, Nikon, Olympus and Pentax. Sigma Corporation also produces digital SLR cameras and high-definition digital compact cameras. The company is headquartered in Japan, with offices strategically located throughout Europe, Asia and North America. For information, please visit www.sigmaphoto.com

For nearly 50 years, Sigma Corporation’s expertise and innovation has driven the company’s core philosophy of “knowledge, plus experience, plus imagination,” with an emphasis on producing high-quality, high-performance photographic technology at moderate prices.
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