Konica 50mm/1.2 on Bessa

[imush]

Has anyone used the Konica 50/1.2 on a Bessa (R2M)? Are there any contraindications, and how much of the viewfinder is blocked?

 

[thomasw_]

With the R2's Effective Base Length, there could be challenges focussing that lens at f1.4 and wider.