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Olight Red Filter - Fits the Olight M20 LED Flashlights

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Olight Filter and Diffuser Fit Olight M20 Series Lights

Red light is most often used to enhance, or more properly, not harm night vision. Red light provides great contrast and is not visible to the human eye over long distances. It also works well with night vision scopes and goggles. Photographers use red colored light when doing night-time photography because it provides contrast while preserving the natural shadows developed by darkness. Red light cuts through smoke better than white light and, with the exception of red lines and marks on maps and charts, it makes reading in low, or no, light possible. Police and military units like the red LED for night operations because it will not interfere with night vision technology and cannot easily be picked up by other people.

  • Olight Filters and Diffusers outside use a high quality TPU body construction which offers flexibility, durability, chemical and abrasion resistance.
  • The lense of the Olight filters are made of ground glass.
  • Lenses feature a top quality Anti-Reflective coating on BOTH SIDES for optimum light transmission.
  • Offer a lanyard loop for convenience.
  • Compatible Models: Olight M20, M20SX Javelot, M20SX-L2 Warrior
2 Reviews
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50% (1)
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By stephen E.
Hayward WI
Nice filters, poor fit!
September 9, 2019
Filters are excellent for hunting(red/blue)which is why I was looking for them. Unfortunately the fit is quite imprecise on the Olight M20 Warrior they were purchased for. They readily fall off if pointed downward, when they should snugly hug the flashlight head, and for $10.00 a piece they are very expensive and should be expected to function perfectly, so its disappointing to say the least when they obviously fall far short of that expectation....
By Paul
Great Filter!
June 26, 2019
I love this filter! I am a night hiker, and use this several times a week. One warning, You really need to put a small wrist leash on it because it will fall off.
2 Questions & 2 Answers
from Statesboro, GA asked:
April 30, 2014
Will this filter fit the Olight M21-X Tactical LED Flashlight?
1 Answer
The M20 filters will not fit the M21-X flashlight, as the diameter of the filter is smaller than the M21-X bezel.
Customer Service
on April 30, 2014

jim sterpis
from greece asked:
April 5, 2014
Will this fit on my Olight M18? I have a M20 and I want to get a M18, but I want to know if they can use the same filters.
1 Answer
The M20 filters will not fit the M18 flashlight, as the diameter of the filter is much bigger than the M18 bezel.
Customer Service
on April 7, 2014


Olight Red Filter - Fits the Olight M20 LED Flashlights

  • $10.00
  • & Free Shipping On Orders Over $50
  • In Stock