Scopes / Glossary
Terms
Automatic Brightness Control:
Electronic feature that automatically reduces voltage to the micro-channel plate.Maintains image brightness within optimal margins and protects the tube. The effect can be seen with rapid change in lighting.
Auto-Gated Power Supply:
Systematical turning on and off at a fast rate to reduce blooming effect on night vision devices and thermal optics.Black Spots:
Dirt or other blemish in the image intensifier, possibly between the night vision lenses.Bright Spots:
Defects caused by flaws in the micro-channel plate that adversely affect the image displayed by electro optic devices.Biocular:
Viewing a single image source with both eyes.Binocular:
Viewing an image through two channels, one per each eye.Blooming:
Loss of thermal night vision due to overloading of bright light, also known as the halo or white out effect.Bright Source Protection:
Reduction in voltage to the photo-cathode when the night vision device is exposed to bright light sources.Boresighting:
Alignment of the scope to the bore of the weapon.COMSPEC:
Commercial specifications used to define night vision image tube quality, testing and inspection by L3 or SureFire manufacturer.Chicken Wire:
Irregular pattern of dark lines in the night vision field of view.Daylight Training Filter:
Glass filter assembly designed to fit over the objective lens of a night vision device filtering light input to a safe level.Diopter:
Measurement of eye correction or refractive power on a lens adjusted to individual eyesight.Distortion:
Grainy effect in the night vision device caused by manufacturing flaws in the intensifier tube and fiber optics.Equivalent Background Illumination:
Amount of light seen through a night vision device when image tube has no light present on the photo-cathode.Edge Glow:
Glowing in the perimeter of an image area of night vision device.Emission Point:
Fluctuating pinpoint of bright light in the image area that does not go away when all light is blocked from the objective lens.Eye Relief:
Distance between eye and rifle scope to achieve the optimal image.Field-of-View:
Width of the terrain image when viewed through a riflescope.Figure of Merit:
Image intensification calculated by millimeter signal to noise.Fixed-Pattern Noise:
Honeycomb pattern throughout the image and inherent in the structure of the micro-channel plate of the night vision rifle scope or monoculars.Footlambert:
Unit of brightness equal to one candle at one foot distance.Gain:
The factor by which a night vision device amplifies light input.Halo:
Circular region around a bright light that appears brighter due to elastic collisions of electrons on the MCP surface.Highlight Shutoff:
Image intensifier protection feature incorporating a sensor, microprocessor and circuit breaker. This feature will turn the system off during periods of extreme bright light conditions.Inter-Pupillary Adjustment:
The adjustment for the space between the two eyepieces of binocular optics to accommodate individual differences.Infrared Illuminator:
Built-in infrared diode that emits invisible light providing supplemental illumination in a night vision device.Infrared:
Illumination below the visible spectrum. It cannot be seen by human eye.ITAR (International Traffic in Arms Regulations):
US Government regulatory agency controlling the export of defense-related materials, articles, and services on the United States Munitions List.LED:
Electronic light source based on semiconductor diode when forward biased, the electrons recombine with holes releasing energy in the form of light called electro-luminescence.Light Lens Cover:
Allows marginal amounts of light on to the lens of a night vision device usually for training purposes only.Lumen:
Photons visible to the human eye in one second.Monocular:
Single eyepiece optical device.Mil Spec:
Stringent and exacting specifications required by the US militaryMicro-Channel Plate:
Metal coated glass disk that multiplies the electrons produced by the photo-cathode and eliminates distortion.Microwatt:
One-millionth of a watt, a derived unit of power.Mil-Dots:
Reticle designed for miliradian unit of measurement and allows hunter to accurately estimate range using a thermal night vision rifle scope or monoculars.Miliradian:
Unit of measurement to determine laser divergence, one unit is equal to 0.001 radian with a deviance of 1-meter per 1000-meters.Milliwatt:
Unit of measurement equal to one thousandth of a watt.Minute Of Angle:
Rifle scope point of reference, 1.047" per 100-yards.Nanometer:
Unit measurement of length, one-billionth of a meter.Near-Infrared:
Short wavelengths of infrared, nominal 750 to 2500 nanometer.National Stock Number:
13-digit code for standardized items, such as thermal night vision rifle scopes and thermal optic monoculars and recognized by the US Department of Defense.Photocathode:
Surface input for image intensifier tube which absorbs light energy photons and releases electrical energy electrons resulting in the image.Photocathode Sensitivity:
Measures intensifier tube light conversion and transmits an electronic for amplification.Picatinny Rail Mount:
Series of ridges with t-shaped cross-sections used as standard attachment method for tactical weapons in the US Military.Resolution:
Ability of the image intensifier, or night vision rifle scope or thermal optic monocular, to distinguish between objects close together.Reticle Pattern:
Adjustable scope or monocular aiming point inside the optical weapon commonly referred to as the "crosshairs".Signal-to-Noise Ratio:
Measurement of the light signal reaching the eye divided by the measured extraneous light.Scintillation:
Random sparkling effect throughout the scope or monocular image area such as scintillation of the micro-channel plate image intensifier.Screen:
Image tube output that produces the image for viewing.Stereoscopic Night Vision:
Multiple view image produced by one device that represent both the left and right eye viewpoint.System Gain:
Equal to tube gain minus losses induced by system components such as lenses, laser splitting and filtration.Variable Gain Control:
Manually adjusting the gain in varying light conditions, an L3 feature in the thermal optic monoculars and night vision rifle scopes.Watt:
Derived unit of power measuring energy conversion in International System of Units, 1-watt is equal to 1-joule of energy, per second.Weaver Mounting System:
US weapon mounting system used for attaching sighting devices to weapons.Zeroing:
Method of adjusting crosshairs to compensate for projectile characteristics at known distances.
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Tactical Boar Hunting • Feral Hog Traps, Trapping and Metodology
SOUTHERN HOG CONTROL, LLC was established in October 2009 to help reduce the feral hog damage on agriculture and private property.
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