You have the 50mm f/0.95 Mitakon. Why do you want to bother with the "slower" 50mm pre-ASPH lux ?
One has to keep options open!! The M 50's astound me. I love my Lux R 50E55...and have created some of my best images with it. I'm now entertaining the idea of selling it?? I really like the Mitakon 50 .095. About the same size as my Lux w/adapter, but it's .095 vs 1.4...very tough decision. The Lux just has tons of character, and it's really very, very sharp in the center WO. And I have my CV 50, too, which is pretty phenomenal too!
I just need to compare the 2 side by side...another FM'r actually said he was going to sell his M 50 ASPH since getting the Mitakon!!