RD551 – RD558 – holo sight 551 552 553 556 558 Collimator Holographic Sight Riflescope Red Dot Optic Reflex Sight Airsoft Scope 20mm Rail Mount

Tactical 551 552 553 556 558 Collimator Holographic Sight Riflescope Red Dot Optic Reflex Sight Airsoft Scope 20mm Rail Mount

551
-Power safe feature, automatic power-off in 2 hours
-Easy to setup, fits any 20mm rail/0.79 inch rail.
-Elevation and Leverage adjustment on the side of sight
-Colour: black
-Battery: 4 x LR44 batteries
-Dimension: 10 cm (L) x 5cm (W) x 6cm (H)
-About Weight: 220g
-A: brightness adjustment (upward)
-B: brightness adjustment (downward)
-C: Reticle colour switching (Red / Green)
-Packing: 1 piece sight

552
Magnification: 1.0x
Objective Lens Dia: 30x22mm
Length: 130x50x65mm
Weight (net): 275g (9.7 ounce)
Eye Relief: Free
Field of View (100yds): 30 yards
Optics Coating: Multi Coated
Reticle: Red and Green Reticle with 5 Levels Brightness
Power Supply: Two pieces of AA battery
Evaluation Range: MOA
Windage Range: MOA Feature 1/2 M.O.A windage and elevation with audible clicks
Battery type :RCR123A, LFP123A, CR123A
-Packing: 1 piece sight

553
Name :553 sight
Exit-pupil:8MM
F.O.V.:146.3-34.2ft100yds
Eye relief :unlimited
optics coating :multi coated
Adjustment : Windage and Elevation 0.5MOA
Maximum Output Power:>OMW,<1mw>
Power Supply: 1 piece CR123A 3V or 1x CR20323V lithium(Not Included)
-Packing: 1 piece sight

556
Optics:Transmission holography – parallax free
Eye Relief: Unlimited
Length/Width/Height: 3.5″ x 2.4″x 2.4″
Battery Type: CR123 (Not included)
Waterproof: Submersible to 10 ft depth
Sealing:Fogproof internal optics
Adjustment (per click): 1/2 MOA
Adjustment Range:+/- 40 MOA travel
-Packing: 1 piece sight

558
Magnification: 1x
Reticle: Red / Green Dot
Exit pupil distance: 20 (mm)
Exit pupil diameter: 40 (mm)
Field of view: 15.8M-100M
Maximum Output Power:>1MW,<5MW
Quick-detach lever for easy attachment and removal
Fits for 20mm rail
· Unit Type: piece
· Package Weight: 0.3kg (0.66lb.)
Power Supply: 1* CR123A(not included)
-Packing: 1 piece sight

See all Tactical Red dot sights holo sight, please click here. Go to the front page.

See the introduction of Tactical Red dot sights, please click here

A red dot sight is a common classification for a type of non-magnifying reflector (or reflex) sight for firearms, and other devices that require aiming, that gives the user a point of aim in the form of an illuminated red dot. A standard design uses a red light-emitting diode (LED) at the focus of collimating optics which generates a dot-style illuminated reticle that stays in alignment with the weapon the sight is attached to, regardless of eye position (nearly parallax free).

They are considered to be fast-acquisition and easy-to-use gun sights for civilian target shooting, hunting, or in police and military applications. Aside from firearm applications, they are also used on cameras and telescopes. On cameras they are used to photograph flying aircraft, birds in flight, and other distant, quickly moving subjects. Telescopes have a narrow field of view and therefore are often equipped with a secondary “finder scope” such as a red dot sight.

Red dot sights place the target and the reticle on nearly the same optical plane, allowing a single point of focus. This makes them fast-acquisition and easy-to-use sights, allowing the user to keep their attention on the field of view in front of them. They are common in speed shooting sports such as IPSC. Military units and police forces have also adopted them. Red dot sights are also popular among paintball and airsoft players for similar reasons.

Because there is no magnification, the shooter need not worry about parallax or eye relief. The long eye relief makes red dot sights appropriate for firearms with heavy recoil that might drive a conventional short eye relief telescopic sight into the shooter’s eye. Since dot sights can be mounted at any distance from the shooter’s eye with no issues of focus, military rifle mounts usually place the sight in any mechanically-convenient mounting position, such as the carrying handle of the M16 rifle, or on a rail system (typically a Picatinny rail) on top of the rifle. This leaves plenty of room for night vision equipment to be used with the red dot sight.

Company Introduction: KENWEI (POWERCOSMO ) ELECTRONIC Technology, start from 2008, established in 2012, more than 10 year’s history, has developed into an international high-tech enterprise integrating R & D, manufacturing and sales. Covering high-end/Mid/Mass Market, and our products are widely used in professional fields such as outdoor, military police, L/E, security, industry, holo sight etc.

 

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