Red Dot Sights Do Work At Night? But you’re doing it wrong

Do red dot sight absolutely work at night, but you gotta pay attention to the dot size and brightness control.

It's one thing to see the dot, and its another to not able to aim with it because there is too much glare in the dark.

Basically it can be narrowed down to 4 things you need to control

• Reticle acquisition
• Manage brightness settings
• Astigmatism under low light
• Target illumination & identification

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Red Dot Reticle Acquisition In Low Light

Pick up the red dot is the same during the day and at night. 

Rifle is the easiest, and pistol requires more practice, maybe even harder if there isn't much target illumination on top of having to find the dot within a small window

Red Dot Brightness Settings Matter In Low Light

Red dot brightness settings matter because the dot may appear too bright or too dim under different lighting conditions. 

Check out these field examples below:

Dusk

77 yards

The reticle brightness is dialed up too high, and it obscures the steel target. It will be even harder to see if further away.

The reticle brightness is dialed down, and the shooter can ID the steel target much better.

Features Sig ROMEO 5 & Sig Juliet 4

A magnifier scope is your friend! Try it to aim better at night if the shooter has to zero the optic or for positive target ID down range.

Check out this quick 12 sec video demo: 

Difference between a bright & dim 1 MOA reticle in low light

Under Low Light (Indoor)

If there is enough to see what the shooter needs to see, just dial the brightness slightly down to a happy medium.

Positive Target Identification

Long Distance (Using a weapon light)

Always identify the target and what's behind before sending rounds down range.

• Reticle may obscure the target if it's too bright (Relative to how far away)
• Even worse experience for shooters with poor eye sight 

Highly recommend using a high candela weapon light to ID targets far away, but AVOID dialing up the the brightness setting too high at night, because this will happen:

Dial down the brightness on the 68 MOA ring reticle, and now the shooter ID what's down range better.

Editor's Recommendation:

In the popular "Aimpoint Micro VS EOTech" or "Ring reticle VS single dot" debates, a small 1 or 2 MOA dot works better for the following reasons:

• Precise aiming point
• Doesn't cover up targets much (depend on target sizes & distance)
• Uncluttered sight picture
• Less information for the eye to process

Common FAQ

Dealing With Red Dot Emitter Starburst & Glare

Emitter starburst and emitter diode reflection can cover up the entire field of view.

The simple fix is to dial down the brightness, but they

For shooters with astigmatism, please click here to read about how to fix a blurry reticle.

Reality: Most people have varying levels of astigmatism, and not everyone's eye balls are perfectly spherical, so light entering the cornea will refract. 

Fun fact - A bigger dot size tends to have less starburst effect, less dot smear, and appears to be much rounder for shooters with astigmatism.

So a 6 MOA dot will appear much bigger and rounder than a 3 MOA dot without having to dial up the brightness too much.

Tips - Transitioning Between Daylight & Low Light

• Always readjust the reticle brightness 
• Try red dots with automatic brightness sensors
• Use a red dot with neutral glass tint to appear brighter
• Dial reticle brightness when ready to transition from highly lit area into a low light area
• Dial down reticle brightness to eliminate emitter starburst effect under low light
• Dial the reticle brightness to the sweet spot when using a weapon light

Wrap Up

• Night time reticle acquisition is the same way as under daylight
• Where the shooter aims is where the bullet is going
• Use a weapon light to identify targets at night
• Avoid emitter glare reflection on the glass
• Shooters with astigmatism will still see a blurry reticle
• Close up weapon light use may wash out the reticle if its set too dim