>>3930287loooool those words are fun anon
the base length is a non issue. i shoot with a 40/1.4 and 50/1.5 and even on my r4m with a 0.58 ebl and small 50mm framelines i can shoot wide open comfortably. pic related
guess it depends what 50 you want though. if you try memeing with a 50 1.1 on a bessa, you'll probably have a bad time