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are all red dots' lenses colored?

Discussion in 'Shooting Gear and Storage' started by badbadtz560, Jul 4, 2009.

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  1. badbadtz560

    badbadtz560 Member

    Jul 16, 2008
    What I mean is ... I've been playin around w/ some toy red dots and.. well I guess a S.P.O.T. is a knockoff too... but are aimpoints and trijicons colored too? I'm pretty sure EOtech's are pretty clear

    what I noticed is that all of them have various tints on them that would seem to suck for nighttime conditions... I'm talkin about the color it tints stuff when u look through it...

    SPOT has a blue tint to it.. I have a toy one for airsoft that does blue'n green dot.. and it has a purple tint to it....

    so what about aimpoints? do they look clear when u look through it? Is it colored because it's required for the red dot? Can anyone send a me a pic of what it looks like when looking through various red dot scopes?

    this one's supposed to be an aimpoint.. and it's blue tinted it seems. Is that a real aimpoint?

  2. JohnKSa

    JohnKSa Member

    Jan 1, 2003
    DFW Area
    Here's an interesting experiment for you to try the next time at the range.

    Put the lens cap on the front of the scope. NOT the end you look into, but rather the muzzle end. Turn on the scope and shoot the gun with both eyes open. You'll find that you don't need to see through the scope at all. You only need to be able to see the red dot as long as you're shooting with both eyes open at once. (Assuming you have normal vision and no significant strabismus.)
  3. rduckwor

    rduckwor Member

    Jun 4, 2008
    Lens components are typically coated with a thin film of metal to aid in clarity, and reflection of the laser that makes the dot.

  4. PO2Hammer

    PO2Hammer Member

    Nov 30, 2003
    The Reflex sights are blue green. Necessary to reflect the dot. Like the other poster said, with both eyes open you only need to see the dot with your sighting eye and the target with the other.
  5. Flyboy

    Flyboy Member

    Apr 19, 2004
    Oklahoma City, OK
    rduckwor nailed it. It's not a dye in the glass, but rather a coating on the lens. That coating substantially reduces the amount of light reflected by the surface of the glass, making the image brighter--believe it or not, despite the imparted color, it will actually improve low-light performance. There may also be a coating on one side to increase the reflectivity for the dot.

    Go check out http://en.wikipedia.org/wiki/Optical_coating for a primer on optical coatings.
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