As long as you are playing on a course with 7' tall flags, you will be fine. Just concentrate on light breathing when using it. However, once you go to an 8' flag course, all bets are off. I can't make it anywhere near accurate at 8' courses. The manual gives you some ridiculous formula to use.
99% of ALL PGA tour players choose Bushnell. I have used it the last 3 rounds. Works very well. Very accurate. Took a few times to figure out how to work it. Since then, very simple and the jolt technology help make it more accurate
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