I have a 1957 Zorki 4, , love it, and use it all the time. I use both the Jupiter 8 and a Canon 50mm f1.2 LTM. The LTM is great for speed, but even stopped down to f2 it can't come close to the performance of the J8 as far as sharpness goes. So unless I'm really hurtin' for light, I get by fine with the J8. I like the way the camera handles, it has a nice presence in my hands. The contrast in the rangefinder/viewfinder is great too for being 51 years old.