Went back to an old swimming hole I've previously pounded with the EX II and T2. It's tough going because of the proximity of power lines, but my F75 ran smooth with the F70 coil. I was able to run my sens up to 85 in DE mode, 2f and disc six. Only got to swing for an hour and a half and managed a badly corroded 1936 S wheat and a 1943 S walker, in addition to my usual pile of lead slugs and bullet shells.