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What is the optical bending of telescopic crosshairs in relation to the target called?
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Parallax
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Bullet drop or BDC
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Subtending
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Pull of gravity or POG
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Parallax refers to the apparent shift or displacement in the position of an object viewed along two different lines of sight. In the context of telescopic sights on firearms, parallax is the optical bending or misalignment of the crosshairs in relation to the target when the shooter's eye is not perfectly aligned with the sight axis. This phenomenon can lead to inaccuracies in shooting, as the point of aim can appear different based on eye position relative to the scope. To counteract this, many high-quality scopes offer parallax adjustment to ensure that the crosshairs and the target are properly aligned, enhancing shooting accuracy at various distances.
