I was using Bronica sq equipment until recently. It was my 1st Mf camera and I thought it was great. Then I bought an old and virtually decrepit Rollei SL66 with a Carl Zeiss 80mm planar lens and was blown away by the difference. The negative image is immediately visibly sharper. Needless to say, I have now sold the Broni gear and am slowly getting together a Rollei outfit, sure the backs and lenses are more expensive than the used Broni stuff, but the improvements in quality make this much more acceptable to me.