adrianconst

adrianconst

Joined on Aug 30, 2013

adrianconst's recent activity

  • Slrgear.com has a standard subject photo they take for each lens they test. They take photos at 3 focal lengths at max aperture and f8, usually. If you look at their Sigma 17-70mm, f2.8, 17mm ...
  • According to android app DOF calculator, at 16mm, f3.5 and distance to subject 5 meters the dof is from 1.85 meters to infinity. The building in the picture looks to be more than 5 meters away ...
  • I found some photos taken with 16-85mm lens on this website: http://www.mobile01.com/newsdetail.php?id=16222 Iwas  looking at the air conditioner details that are posted about half way on the page. ...
  • Hi, Can you tell me if Pentax distortion correction works with Sigma 17-70? Thanks, Adrian
  • Commented on Pentax K-3 Review preview

    I own a K30 with 18-135mm. I had Canon T2i with 18-135mm and 15-85mm before, and even earliear I had a Nikon D40 with 18-135mm. I onwed each more than a year and took tousends of shots with each....

  • Commented on Pentax K-3 Review preview

    I own a K30 with 18-135mm. I had Canon T2i with 18-135mm and 15-85mm before, and even earliear I had a Nikon D40 with 18-135mm. I onwed each more than a year and took tousends of shots with each....

  • Commented on Sony Alpha 7 Review preview

    You guys are kidding right? I don't like Sony but I'm not so blind to say they are a weak company. They produce pretty much every piece of electronics you can think of. Wake up people, Sony is here...

  • I don't think you're right on this one. As far as I can see the shade at the bottom of the picture is caused by the fact the len s obstructs the flash. I'm not talking about the hood. I would never ...
  • In the flash picture of the wall at 16mm FL, what was the distance to the wall? Do you have any idea what should be the minimum distance to the subject for not getting any shade? Thanks, Adrian
  • Can you tell us  how bad the vignetting is at 16mm? Thanks
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