ปุ่มปรับหลา คืออะไร? | Naaming Kotchanok
This video explains the function of the parallax adjustment knob on rifle scopes, often mistakenly called a 'yardage' or 'focus' knob. Proper parallax adjustment ensures the reticle remains stationary relative to the target, eliminating apparent reticle movement when the shooter's eye position changes. This is crucial for accuracy, especially at longer distances or in competitive shooting.











