Scope Parallax


An optical effect in riflescopes where the reticle appears to move if the shooter’s eye shifts off-center; many scopes include a parallax adjustment knob.

Related Terms

Crosshairs


The reticle lines inside a scope used for aiming, available in various patterns (duplex, mil-dot,...


View Term: Crosshairs

Illuminated Reticle


A scope reticle that lights up for improved visibility in low light; can be battery-powered or fi...


View Term: Illuminated Reticle

Reticle


The aiming pattern (e.g., crosshairs, mil-dot) visible in a scope or optic to help shooters align...


View Term: Reticle

Sighting-In


Adjusting firearm sights or a scope so that the bullet hits the intended point of aim at a chosen...


View Term: Sighting-In

Windage


Horizontal scope or sight adjustments made to compensate for wind drift or slight misalignment in...


View Term: Windage

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