Hello...I'm considering buying a Speed Graphic or a Crown Graphic (or something else if you recommend) but before I pull the trigger, I had a few questions.

It seems like many of these cameras come with some variation of the 135mm f 4.7 Tessar...Kodak, Schneider and Graflex themselves. Can one get decent sharpness in the center of the frame shooting wide open (or very nearly so) with these lenses? People would be the subject, so I wouldn't need or want cutting edge sharpness, but by the same token, I wouldn't want a fuzzy mess. Also, are the rangefinders accurate at distances of around 5ft or so?

Thanks!