Good job, that's a comparison between a picture with and without the uv filter and with the filter being a Hoya MC:
I showed a comparison between a cheap and expensive filter.
An expensive filter doesn't degrade image quality by much, a cheap 10$ filter that you recommend using will in almost all cases cause problems such as reflections, ghosting, loss of contrast, flaring, and vignetting and will never come close to the performance of a B+W or Hoya.
My tumblr: http://omnidata.tumblr.com
Horological expert, design aficionado, wine critic & style guru.