The lenses that are supposed to filter out dungeons/monoliths/arena/etc are not working correctly. It seems like it is working by showing the correct filtered rewards, but when you try to purchase one it reverts back to whatever reward would have been there if the filter was not equipped. For example, instead of spending 4000 for exalted X8 body armor from a monolith like was shown, I received a X2 exalted glove arena reward for 1000, despite having arena rewards filtered out.
Also, if you log out and back in, it will revert the rewards to the unfiltered state, showing you what you would actually have purchased by mistake.
At this point, its better to not use the filters because all they do is deceive you.