What are AR lens coatings, why are red dots parallax-free, and is a $2,000 scope really better than a $200 scope?

What are some things to know about riflescopes and other optics?

  • The basic construction is a main body tube, objective bell, ocular bell and lenses.
  • The reticle can be placed forward (first focal plane) or rearward (second focal plane).
  • There are a variety of different lens coatings available that do different things.
  • Scopes that cost more generally do for a good reason.
  • There are three different types of non-magnified dot sights; know their differences.

Keep reading on GunDigest for a rundown of why some riflescopes and reflex optics work better — and cost more — than others.

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