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holosun weapon sights use a laser transmission hologram of a reticle image that is recorded in three-dimensional space onto holographic film at the time of manufacture. The recorded hologram is illuminated by the collimated light of a laser diode built into the sight. The sight can be adjusted for range and windage by simply tilting or pivoting the holographic grating. To compensate for any change in the laser wavelength due to temperature, the sight employs a holography grating that disperses the laser light by an equal amount but in the opposite direction as the hologram forming the aiming reticle. order holosun 503 in Florida
View through an EOTech 512 holographic weapon sight.
The optical window in a holographic weapon sight looks like a piece of clear glass with an illuminated reticle in the middle. The aiming reticle can be an infinitely small dot whose perceived size is given by the acuity of the eye. For someone with 20/20 vision, it is about 1 minute of arc (0.3 mrad).
- MICRO RED DOT SIGHT: The HS403R is a 20mm micro optical sight with a durable T6061-T6 aluminum housing designed to be made compatible for rifle and carbine applications.
- LONG BATTERY LIFE: The HS403R optic uses a high capacity CR2032 lithium ion battery with up to 100,000 hours of battery life to power the optic.
- MULTI-COATED LENS: Holosun’s optics are manufactured using optical glass with multilayer coatings applied to facilitate maximum light transmission and wear resistance while reducing glare.
- PARALLAX-FREE: When the red dot is on the target, so are you; 2 MOA dot size.
- SUPER LED: Holosun Super LEDs provide a versatile range of intensity for the brightest environments down to no light situation.
Like the reflector sight, the holographic sight is not “parallax free”, having an aim-point that can move with eye position. This can be compensated for by having a holographic image that is set at a finite distance with parallax due to eye movement being the size of the optical window at close range and diminishing to zero at the set distance (usually around the target range of 100 yards).