CLOSED vs OPEN!! Red Dots

Published on April 6, 2026
Duration: 1:59

This guide explains the differences between open and closed emitter red dot sights. Open emitters offer a wider field of view but are more susceptible to dirt and oils, making them better for open or duty carry. Closed emitters provide superior protection against environmental contaminants, making them ideal for concealed carry and harsh conditions. Both types are functional, but the choice depends on the intended application and user preference for maintenance.

Quick Summary

Closed emitter red dot sights are generally preferred for concealed carry due to their superior protection against environmental contaminants like oils and dirt, which can obscure the reticle on open emitter designs. Open emitters, while potentially offering a wider field of view, are more susceptible to these issues.

Chapters

  1. 00:00Introduction to Red Dot Optics
  2. 00:03Open vs Closed Emitter Explained
  3. 00:09Open Emitter Pros and Cons
  4. 00:11Open Emitter Waterproof and Debris Handling
  5. 00:27Concealed Carry Concerns with Open Emitters
  6. 00:44Closed Emitter Advantages
  7. 00:46How Closed Emitters Work
  8. 00:53Protection from Obstructions
  9. 01:03Closed Emitters and Oils
  10. 01:18Demonstration of Oil on Closed Emitter
  11. 01:20Conclusion: Choosing the Right Optic
  12. 01:24Open Emitters for Concealed Carry vs. Duty
  13. 01:30Closed Emitters for Environmental Hazards and Concealed Carry
  14. 01:37Window Size and Field of View
  15. 01:44Sponsor: Ammo Squared
  16. 01:54Final Choice: Open or Closed Emitter

Frequently Asked Questions

What is the main difference between open and closed emitter red dot sights?

The primary difference lies in their design for protection. Open emitters have an exposed emitter, making them susceptible to dirt and oils, while closed emitters encase the emitter between two windows, offering superior protection against environmental contaminants.

Which type of red dot sight is better for concealed carry?

Closed emitter red dot sights are generally better for concealed carry because their enclosed design prevents oils, bodily fluids, and dirt from obscuring the reticle, which can be a significant issue with open emitters.

Can open emitter red dot sights handle water and dirt?

Yes, open emitter red dot sights can be waterproof, and they often self-clear of light debris and water after the first shot. However, they are more prone to issues with oils and thicker grime.

Are there any advantages to open emitter red dot sights?

Open emitter red dot sights can sometimes offer larger windows, which can result in a wider field of view for the shooter. They are often considered suitable for open carry or duty carry scenarios.

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