Sharpness problem with Kenko UV filter?

L40L40 Registered Users Posts: 24 Big grins
edited August 30, 2009 in Accessories
D90 + Sigma 70-200/2.8.
With the Kenko UV the images get soft/oof. Without they are as sharp as can be expected.

Anyone with similar experiences?

Comments

  • ziggy53ziggy53 Super Moderators Posts: 24,132 moderator
    edited August 28, 2009
    I am not familiar with Kenko filters, but if you are noticing a deficiency I suggest you purchase a different filter type. I have had very good experiences with the Hoya HMC filters.
    ziggy53
    Moderator of the Cameras and Accessories forums
  • paddler4paddler4 Registered Users Posts: 976 Major grins
    edited August 30, 2009
    I agree with Ziggy. I also use Hoya HMC filters on four different lenses, and I have had no problems at all.
    http://dkoretz.smugmug.com/
  • EkajEkaj Registered Users Posts: 245 Major grins
    edited August 30, 2009
    Why are you using the filter?
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