รีวิวกล้องเล็ง Discovery รุ่น HD4-20x50 FFP เส้นเล็งขยายตามซูม
This video provides a detailed guide on zeroing the Discovery HD 4-20x50 FFP rifle scope. It demonstrates how to adjust the scope's turrets for elevation and windage based on point of impact at 25 meters, and how to set the zero stop using a coin. The presenter also shows the scope's performance at 50 and 100 meters after zeroing, highlighting the clarity of the optics and the ease of adjustment.











