Parallax is a simple concept to understand, but as it relates to riflescopes it’s difficult to explain. According to Merriam-Webster, parallax is the apparent displacement or the difference in ...

Meopta Sport Optics is excited to introduce the new Optika5 2-10x42 PA riflescope with side parallax adjustment (PA) from 10 yards to infinity.

Parallax is another factor to consider when sighting in a rifle. The role parallax plays in accurately engaging a target is crucial, and these adjustments can often be overlooked.