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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



-Model 550 AA

-Order code 552.A65/1

-Night Vision Compatible

-Waterproof & Submersible To 33 ft depth

-Battery AA Alkaline

-Battery Life 900 hours continuous

-Length of sight54 inches (131 mm)

-Reticle Options 65 MOA ring w/ 1 MOA dot

-Weight: 8.8 ounces (250 grams)

A65/1 Military AA w/2-Dot Standard Reticle

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