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reflex sight
A reflector sight or reflex sight is an optical sight that allows the user to look through a partially reflecting glass element and see an illuminated projection of an aiming point or some other image superimposed on the field of view. These sights work on the simple optical principle that anything at the focus of a lens or curved mirror (such as an illuminated reticle) will appear to be sitting in front of the viewer at infinity. Reflector sights employ some sort of "reflector" to allow the viewer to see the infinity image and the field of view at the same time, either by bouncing the image created by lens off a slanted glass plate, or by using a mostly clear curved glass reflector that images the reticle while the viewer looks through the reflector. Since the reticle is at infinity it stays in alignment with the device the sight is attached to regardless of the viewer's eye position, removing most of the parallax and other sighting errors found in simple sighting devices.
Since their invention in 1900, reflector sights have come to be used as gun sights on various weapons. They were used on fighter aircraft, in a limited capacity in World War I, widely used in World War II, and still used as the base component in many types of modern head-up displays. They have been used in other types of (usually large) weapons as well, such as anti-aircraft gun sights, anti tank gun sights, and any other role where the operator had to engage fast moving targets over a wide field of view, and the sight itself could be supplied with sufficient electrical power to function. There was some limited use of the sight on small arms after World War II but it came into widespread use after the late 1970s with the invention of the red dot sight, with a red light-emitting diode (LED) as its reticle, making a dependable sight with durability and extremely long illumination run time.
Reflector sights are also used in civilian applications such as sights on surveying equipment, optical telescope pointing aids, and camera viewfinders.
Hello all,
Up for sale is my brand new, still in box and never mounted/handled (besides photos) Holosun HE509T titanium red dot reflex sight. Selling to help fund a new build.
Cash sale in Tualatin, Tigard, King City, Sherwood, or Lake Oswego - not interested in trades.
Thanks in advance for...
Hello all,
Up for sale is my brand new, still in box and never mounted/handled, Holosun HS507k-X2 Pistol Red Dot Sight. Selling to help fund a new build.
Cash sale in Tualatin, Tigard, King City, Sherwood, or Lake Oswego - not interested in trades.
Thanks in advance for your interest and have...
Selling my Glock G48
This gun has been lightly used and well cared for with cleaning after each trip to the range. I purchased it new shortly before lockdown, fired around 500 rounds total, cleaned it then put it in the safe.
The gun is fitted with a Burriss FastFire 3 MOA red dot reflex sight...
*Update: Now I have 1 left for sale.
I have three brand new Holosun HE 510c Elite green dot sights. Only removed from packaging for this photo.
These offer a dot, circle dot or just circle reticle options and have a 50,000 hour battery life plus solar backup if the battery dies or is removed...
Brand new in box
I was going to put this on my Hi Power RMR project
However, I have decided to go the Trijicon route
So, rather that let it sit unused, I offer it up for your consideration.
$250 FTF in Keizer or Wilsonville, or $265 shipped
The HS507K X2 is an open reflex optical sight designed...
Trijicon RMR05 reflex sight with quick release Larue mount
-amber dot
RmR sights use fiber optics and tritium so you never need a battery.
Located in northern ID but have no problem shipping
$425
PM is best
This is a used Burris Fastfire 3 MOA Red Dot Reflex Sight for a pistol, rifle or shotgun. All parts are included in the box. Shipping is USPS $15 or local deliver in Portland/Metro Area or Salem/Metro Area.
Bought this to go on my AR as a 45 degree mount, but I'm going another direction.
Never opened, got a good deal so selling it for what it looks like they go for used.
$120, pickup around Hillsboro
I have a very nice Burris AR332 Scope that is in top condition and I will sell of trade it on a nice red dot, reflex-type sight for my pistol. Let me know what you have and perhaps we can make a deal on trade or cash.
Thank you.