Workmanship from Germany!

For me, the filter protects more than that it filters ;-) What can I say, the processing is 1a. An absolutely flawless thread which engages easily and defined. Bissl torn because I'm always whether filter or not, I have done several test shots and could see no qualitative difference in the pictures. At most, in certain backlight situations there could be flares, but I could not provoke!