dear experienced and generous lf users

ok, i've had a few months to work a bit with my new (to me) tecnica, so i have s kimmed the books on movements and have used them albeit slowly and carefully at the moment. looking into the gg i can see thay using the front tilt a horizontal plain will "snap" into focus, all very nice, but tha top of any vertical object along this plain (tree, road sign) goes out of focus. am i missing something or should i forget the tilt and stop down?

thank you