M550 Military Holographic Sight - AA, 1 MOA Dot
Manufacture ID: 552.D1

The HDS uses state-of-the-art digital electronics design. Twenty brightness levels ensure proper brightness control in either low light or very bright sunlight. An on-board microprocessor provides automatic battery check indicator, up/down brightness scrolling and programmable auto shutdown features. All electronics are fully encapsulated in shock absorbing resin compound.

Operation

Optics: Transmission holography - 100% parallax free
Magnification: 1x unlimited eye relief
Temperature:-20 to 150F (operating); -40 to 160F (storage)
Sealing: Waterproof (submersible) & fogproof
Color/Finish: Non-reflective black with hard coat finish
Adjustment (per click): 0.5" at 100 yards
Adjustment Range: +/- 40 MOA travel
Mount: 1" Weaver dovetail/Picatinny rail (Mil spec 1913)
Return to Zero: Repeatable to 1 MOA after remounting


Heads-Up Display Window

Optical Surfaces: Anti-glare and scratch resistant coatings
Window Dimensions: 1.20" x 0.85" (30 x 23 mm)
Window Material: Shatterproof laminate (3/16" thick)
Field of view (100 yards): 30 yards (28m) at a 4" eye relief
Standard Reticle: 65MOA ring with quadrant ticks with a 1MOA Aiming dot
Reticle Contrast Ratio: 28,000:1 brightest to lowest
Night Vision Contrast Ratio: 10,000,000:1 with NV switch engaged

Electrical

Power Source: 2 x "N" alkaline batteries (available anywhere)
Battery Life: 70 hours at nominal setting 12 (AA batteries: 350 hrs)
Brightness Settings: 20 settings with scrolling feature
Auto Battery Check Indicator: Flashing reticle upon startup if batteries are at 20% of battery life.
Auto Shutdown: At 8 hours - programmable to 4 hours

- Reticle is 1 MOA dot
Night vision compatible
Waterproof to 33 feet
1100 hours battery life
Uses AA lithium, alkaline or rechargeable batteries
5" (131mm) Overall Length
Reticle is 1 MOA dot