With my Canon 60D I am planning to buy EP-EX15 II, the EP-EX15 II would reduce the magnification so to counter that I also wanted to install a third party eyepiece magnifier (2x or 3.x) which should in theory give me very good view and better focusing ability.
The reason I did not want to go just for third party magnifier because I read that it causes vignetting for viewfinder and hence in theory a reduced image should not get vignetted while getting magnified.
Could you please share your practical experiences / expert opinions on this?
Thanks and regards,
Rajendra