If you are a hunter and you buy this product for bowhunting then this is not for you! The corner adjustment is calculated in reverse order. What you want to know isn't the true distance to an object higher or lower than you (the hypotenuse), but the parallel distance (adjacent). This product does something different and actually increases true counting distance or I don't know what! If you don't care about angle compensation, then this review isn't for you.
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