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SKWoptics 4-20x50FFD-MIL-A

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What is new ?
About coating:
In addition to conventional optical Antireflective and antireflective coatings, hard physical coatings are used on the outer surfaces of all lenses in the product, which is like wearing "armor" on glass to obtain scratch resistance.

Steel turret gear
Most optical sight turrets have gears, and the accuracy of gears determines the accuracy of the sight. Usually the material of gears is mainly copper or aluminium, and even some high-end products are made of copper. Our 4-20X50 uses steel. After finishing all gears, quenching and hardening heat treatment is added. It's very wear-resistant and improves its life.

In the optical sighting industry, steel gear is always a production problem. If the material is too soft, the hardness of the gear is not as good as copper, but if the hardness of steel is higher, the processing is very troublesome. After heat treatment, the size is prone to change. But we solved that.

 

Description:

A First focal plane optical system is designed to meet the requirements of tactical and competitive shooting.

 
The first focal plane can keep the scale value of the aiming point unchanged at any magnification.
 
Made of solid 30mm diameter 6061-T6 aviation grade aluminium tube, 4-20XFFP is equipped with high sensitivity and wind direction adjustment handwheel. The total adjustment range is 20 MIL wind bias and the total amount of high and low, each click value is 0.1 MIL increment, a total of 120 clicks per lap. The handwheel with adjustable height and wind deviation has the function of twice returning to zero.
 
All of the lenses in 4-20X FFP are physically coated with hard diamond to achieve maximum optical transmission and surface scratch resistance. Nitrogen-filled and waterproof rubber gasket seals ensure adequate waterproof and fog-proof performance at all temperatures and climates.
 
The 4-20XFFP includes parallax adjustments ranging from 10 metres to infinite. Each sight is equipped with  a pair of  quick back and forth flip.
 
 
Features:

30mm main tube and illuminated Red/Green offer the clearest view for easy target acquisition in both bright and low light situations.

Nitrogen filling to prevent fogging on the inner lens surfaces.

One piece high grade aluminum tube body for superior ruggedness.

Side focus range of 10 meters to infinity.

Super high shock resistant(1200g/s),can be used to shot 12.7mm(.50) bullet

Locking windage and elevation turrets with 0.1Mil clicks, providing an additional level of accuracy and ensures that the scope stays zeroed

For more accurate long-range shooting.

Rugged and absolutely waterproof in all conditions.

 

 
Specification:
 

Magnification

4-20

Objective Lens Diameter (mm)

50

Ocular Lens Diameter (mm)

38

Field of View at 100yads

28.5ft - 28.5ft

Exit Pupil (mm)

12.5 - 2.5

Eye Relief (inch)

3.95

Reticle

Glass-etched Dual Illuminated

Parallax

±0.125

Click Value (MIL)

0.1

Tube Diameter (mm)

30mm

Weight (g)

840

Length (mm)

372

Water Resistance

Yes

Fog Resistance

Yes

Shock Resistance(G)

1300

Battery

CR2032

Coated(MC/FMC)

FMC

Finish

Black matte

Nitrogen

Full filled Nitrogen

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脚注信息
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