Several years ago my daughter played in a National Fastpitch Softball Tournament. There were two women there taking team photos of all the teams with a Yashica TLR. When we received our 8x10 team photo I was completely unimpressed. The entire photo looked soft.
I assumed at the time that the Yashica TLR's had lousy lenses. I don't know. Maybe they had one with a clouded lens or they just completely missed focus.