Gunsmithing - How to Choose A Rifle Scope Presented by Larry Potterfield of MidwayUSA

Published on November 22, 2013
Duration: 11:07

This guide, presented by Larry Potterfield of MidwayUSA, details how to choose a rifle scope. It covers essential terminology like tube diameter, objective and ocular lenses, and adjustment dials. Key optical concepts such as eye relief, field of view, and exit pupil are explained, along with how to select magnification power based on hunting application. The guide also touches on reticle types, parallax adjustment, focal planes, and measurement units like MOA and Mils, providing a comprehensive overview for selecting the right optic.

Quick Summary

Larry Potterfield of MidwayUSA explains how to choose a rifle scope by understanding key components like tube diameter, objective and ocular lenses, and adjustment dials. He details optical concepts such as eye relief, field of view, and exit pupil, and advises selecting magnification power based on the intended application, from dangerous game to varmint hunting.

Chapters

  1. 00:00Introduction to Rifle Scopes
  2. 00:31Scope Terminology: Body and Lenses
  3. 01:26Adjustment Dials and Rings
  4. 02:21Advanced Features
  5. 02:48Optical Concepts: Eye Relief and FOV
  6. 03:39Light Transmission and Exit Pupil
  7. 04:51Choosing Scope Power by Application
  8. 07:21Reticle Types
  9. 08:05Parallax and Focal Planes
  10. 09:20Measurement Units: MOA and Mils

Frequently Asked Questions

What are the key components of a rifle scope?

A rifle scope consists of a main body tube (commonly 1-inch, 30mm, or 3/4-inch), an objective lens at the front for light gathering, and an eyepiece or ocular lens at the rear for magnification. It also includes adjustment dials for windage and elevation, and a power ring for variable magnification.

How does magnification affect rifle scope choice?

Magnification choice depends on the application. Low power (1.5-6x) is ideal for dangerous game, high power (6.5-20x) for varmints, and mid-range (3.5-10x) offers versatility for general big game hunting.

What is eye relief and why is it important?

Eye relief is the distance from your eye to the scope's eyepiece. It's crucial for safety, ensuring you don't get injured by the scope hitting your face during recoil, especially with powerful firearms.

What is the difference between MOA and Mil reticles?

MOA (Minute of Angle) is roughly 1 inch at 100 yards, used for precise aiming. Mil (Milliradian) is 1/1000th of the distance, often used in tactical scenarios for range estimation and holdovers, with 1 Mil equaling approximately 3.6 inches at 100 yards.

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