Understanding Parallax with Leupold

Published on June 14, 2013
Duration: 7:20

This video explains parallax in rifle scopes, defining it as the reticle and target not being on the same focal plane. It details how to adjust the reticle focus using the diopter and how adjustable objectives or side focus on scopes eliminate parallax for specific distances. While minor for hunters, parallax adjustment is critical for precision shooters.

Quick Summary

Parallax in rifle scopes occurs when the target image and reticle aren't on the same focal plane. Moving your head causes the reticle to appear to shift across the target. Adjust the reticle focus with the diopter, and use side focus or adjustable objectives to eliminate parallax for precise aiming.

Chapters

  1. 00:25Introduction to Parallax with Leupold
  2. 01:13What is Parallax? (Thumb Analogy)
  3. 02:11How to Adjust Reticle Focus (Diopter)
  4. 03:36Using Adjustable Objectives & Side Focus
  5. 05:01Parallax Importance for Hunters vs. Precision Shooters

Frequently Asked Questions

What is parallax in a rifle scope?

Parallax is when the target image and the reticle aren't on the same focal plane. If you move your head behind the scope, the reticle appears to 'swim' across the target, causing aiming errors.

How do I adjust my rifle scope's reticle focus?

First, focus the reticle to your eye using the diopter adjustment at the eyepiece. Look at a blank background like a blue sky and turn the diopter until the reticle is sharp. This is usually a one-time adjustment.

When is parallax adjustment most important?

Parallax adjustment is critical for precision shooters, varmint hunters, and benchrest competitors where small aiming errors significantly affect group size. For general big game hunting at moderate ranges, the error is often minimal.

What is the difference between fixed and adjustable objective scopes?

Fixed objective scopes have a set focal plane (e.g., 150 yards). Scopes with adjustable objectives or side focus allow you to change the target image's focal plane to match the reticle, eliminating parallax at that specific distance.

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