I have a problem, using kalibegun ceicket, jsb/1.645/Nikon 4-16 / 6771 I return to zero from 50 meters, 64 meters bullet shooting point below the dense point, 74 meters to the left deviation a dense point, 84 The meter is offset to the left by two dense points, and 94 meters to the left by three dense points. The further the distance, the more serious the left deviation. My ballistic parabola is not straight. It is wrong