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A United States Marine firing an M4 carbine, using an EOTech holographic sight to aim.. The first-generation holographic sight was introduced by EOTech—then an ERIM subsidiary—at the 1996 SHOT Show, [2] under the trade name HoloSight by Bushnell, with whom the company was partnered at the time, initially aiming for the civilian sport shooting and hunting market.
EOTECH was the first company to create holographic sights, [1] having solved the problem of wavelength instability exhibited by laser diodes. They introduced their first-generation holographic weapon sight at the 1996 SHOT Show , which won the Optic of the Year Award from the Shooting Industry Academy of Excellence.
The PSRL-1 is typically equipped with a proprietary 3.5× optical sight with an illuminated etched reticle, or an EOTech sight with a holographic reticle. The manufacturer claims a 90% hit probability at 800 meters (2,600 ft) with the standard magnified sight, although it is reportedly accurate at ranges from 900–1,200 m (3,000–3,900 ft).
Sight magnifiers are optical telescopes that provide increased magnification to a shooter's view when they are engaged. They are commonly mounted behind red dot and holographic sights that produce a collimated reticle image. Most have mounts which allow them to flip to the side when not in use, though immobile mounts exist as well. [2]
Holographic weapon sights are similar in layout to reflector sights but do not use a projected reticle system. Instead, a representative reticle is recorded in three-dimensional space onto holographic film at the time of manufacture. This image is part of the optical viewing window.
Holographic portraiture often resorts to a non-holographic intermediate imaging procedure, to avoid the dangerous high-powered pulsed lasers which would be needed to optically "freeze" moving subjects as perfectly as the extremely motion-intolerant holographic recording process requires. Early holography required high-power and expensive lasers.