Firearms Stack Exchange Archive

How much ambient light is required in order for fiber optic sights to work?

If I were to choose fiber optic (also known as “high-viz” sights) over proper night-sights, would I receive any benefit, in extremely low level light conditions, over iron sights? Or is it better, for self-defense purposes, to spend the extra money and get proper night-sights?

Answer 431

If self-defense is the object, I REALLY wouldn’t skimp on the sights. Night sights are a proven benefit in all lighting. I used them to increase my sight picture during the day. So, I’d say, don’t make a decision based on saving a few bucks, when you are talking about defending your life.

Fiber optic sights rely upon the ambient light (are light collectors - I tried them and wasn’t happy), night sights use a light emitter. I have tritium sights and I can see them in the dark (never tried them in total darkness - a cave - but I’m certain that they would function).

Here’s a youTube demonstration of the difference in the two types:

http://www.youtube.com/watch?v=0wPn6t7U9MU

Here’s a link to what I have

http://www.copsplus.com/prodnum2158.php

Here’s another that a friend of mine uses

http://www.cheaperthandirt.com/2AMGSW801-1.html

Answer 443

I am not really a fan of fiber-optic sights on a defensive firearm. Many of them are quite fragile. I have had multiple students loose the fiber optic element out of their front sight during classes. From a durability standpoint alone, I would stay away from most of them on a fighting gun.

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