Have you had a chance to use the super wide RB67 50mm lens? What did you think o

Question: Have you had a chance to use the super wide RB67 50mm lens!? What did you think of the performance!?
Best Answer - Chosen by Asker:

Very sharp, especially at 5!.6 and under!.Www@QuestionHome@Com

I do mainly landscapes and use the 50mm RB67 lens all the time!. I don't have problems with it!. However, I have a 140mm soft focus that I don't need and have never used, but I am told that is also a phenomenal lens!.Www@QuestionHome@Com