Reflector sights or also know as reflex sight is part of the optic family one can look through a partially reflecting glass and see an illuminated projection of an aiming point on the field of view The focus of a lens – curved mirror will look like it is sitting in front of you. Since the reticle is at infinity it stays in alignment with the device the sight is attached to regardless of the viewer’s eye
Reflector sights are popular with gun and have been around for over a 100 years becoming more advanced during world war II
From careful design the configuration for a red dot sight is a tilted reflector with a red dot at its off axis focus.. The size of the dot generated by the LED is controlled by an aperture hole in front of it that greatly improves the reliability and general usefulness of the sight.
I really like this sight, it fit perfect on a handgun and it illuminates the view so very well. It is compact and works very well.
A red dot sight is a common classification for a type of non- m of an illuminated red dot. Magnifying reflector sights for firearms.
Here is a example of a great product
Romeo4H Compact Red-Dot Sight – Circle Dot Reticle, Graphite
Romeo4 is the ultimate red-dot sight when fast, accurate target acquisition is a must. Regardless of lighting conditions, weather conditions, or terrain. Whether it’s a moving target, dangerous game at full charge, or a fast-breaking tactical situation at close quarters, the rugged Romeo4 red-dot sight can handle the job.
Designed for AR platform pistols, MSR platforms and shotguns Operators can select from 4 different reticle options 50,000+ Hours battery life Includes lens caps, a co-witness quick-release mount and a low mount Unlimited eye relief to acquire aiming point and target regardless of eye position behind the sight MOTAC powers up or down when sensing motion Utilizes an ultra-efficient red LED illumination Strong and lightweight aluminum housing Waterproof and fog proof
That is really cool
Here is another example:
With the help of ballistic holdovers and a crisp, prismatic optical system, Prismatic Weapon Sight delivers precision and accuracy in a compact weapon sight, duplex crosshair provides exceptional accuracy at long ranges. below the central aiming point provide holdover references from 200 to 800 yards. The all new locking quick detach mount ensures the sight remains secured to the weapon, but can be more quickly and easily detached. This military-inspired device features an impressive 2.8-inch eye relief –for a natural, comfortable shooting stance. Durable enough to shield from impact, the Wolfhound yields scratch-resistant lenses and is made from anodized, high-grade aluminum with a rubber armor finish. It is fully submergible, dust proof and shock proof. Ideal for a variety of challenging shooting situations including hunting and law enforcement applications, the Sightmark Wolfhound 6×44 LR-308 Prismatic Weapon Sight is engineered for the experienced shooter wanting to make their mark.
These products are a must for the avid shooter, it’s a game changer.