Low Light Handheld Night Vision
HAWKEEP LOW LIGHT HANDHELD NIGHT VISION Products Description This is a portable single-barrel night vision device, which is specially designed for long-distance observation in dim or dark environment at night. The following is a description of its main features: Main features: Image intensifier...
Description
HAWKEEP LOW LIGHT HANDHELD NIGHT VISION
Products Description
This is a portable single-barrel night vision device, which is specially designed for long-distance observation in dim or dark environment at night. The following is a description of its main features:
Main features:
Image intensifier technology
It can be equipped with high-performance second-generation (Gen 2) or third-generation (Gen 3) image intensifier tubes to provide excellent imaging effect.
Infrared lighting function：
Built-in infrared (IR) illuminator can achieve "invisible" lighting in a completely dark environment, ensuring clear vision.
An independent remote infrared auxiliary lamp can be selected to further improve the night observation effect.
Automatic brightness control
It can automatically adjust the brightness of the image according to the change of light to ensure the clarity and image definition.
Defencive function:
With automatic shutdown function, when the equipment is accidentally exposed to strong light, the power is automatically cut off within a few seconds to protect the equipment.
Equipped with low battery and infrared working status indicator light to remind the use status in real time.
Practical design:
Integrated infrared illuminator, suitable for extremely low light environment.
The equipment is light and portable, suitable for hand-held operation.
This night vision equipment is suitable for military use, wildlife observation, search and rescue missions and night entertainment activities (such as hunting or star watching).
Product function introduction
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The night vision can be outfitted with high-performance Gen 2 and Gen 3 image intensifier tubes. |
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Built-in Infrared illuminator |
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Low Battery Indicator in FOV |
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IR Indicator in FOV |
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Bright light cut-off |
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Automatic brightness control |
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Multilayer wideband lens coating |
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Support detachable remote infrared light |
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Support connecting to mobile phones/digital cameras/SLR cameras for photo and video recording. |
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Battery Cover - Spring-Built-in Design |
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IP65 waterproof and dustproof level (upgradeable to IP67) |
Technical Parameters
| Brand | Hawkeep | |
| Model | HKP-2013 | HKP-3013 |
| Generation(IIT) | Gen2+ | Gen3 |
| Resolution(lp/mm) | 60-64 | 64-72 |
| Figure Of Merit(FOM) | 1400-1800 | 1600-2300 |
| Sensitivity(µ A/lm) | 700-1000 | 850-1200 |
| SNR | 23-28 | 28-32 |
| Luminance Gain(cd/㎡/lx) | 8000-12000 | 10000-20000 |
| Photocathode Type | S25 | GaAs |
| Magnification(X) | 3 | |
| FOV (deg,°) | 14 | |
| Focal Length(mm) | 75 | |
| Diopter Adjustment(deg,°) | -1 | |
| Parallelism of Optical Axis | <0.1 ° /0.5 | |
| MTF | 120lp/mm | |
| Optical Distortion | <0.5% Max / 3% Max | |
| Relative Illumination | >75% | |
| Range of Focus (m) | 1m - ∞ | |
| Dimensions(mm) | 158×73×54 | |
| Weight(kg) | 0.578 | |
| Switch Style | Button switch | |
| Switch Position | OFF / ON / IR | |
| Power Supply (v) | 2.6-4.2 | |
| Battery Type (v) | 1 X CR123A lithium battery | |
| Battery Life(h) | 60 h – 100 h | |
| Low Battery Indicator | Yes | |
| Overall Power Consumption | <0. 1W | |
| Bright Light Cut-off | Yes | |
| Automatic Brightness Control | Yes | |
| Multilayer Wideband Lens Coating | Yes | |
| Support detachable remote infrared light | Yes | |
| Support connecting to mobile phones/digital cameras/SLR cameras for photo and video recording. | Yes | |
| Infrared Illuminator | Built-in | |
| IR Indicator | Yes | |
| IR Wavelength(nm) | 850 | |
| Battery Cover - Spring-Built-in Design | Yes | |
| Operating Temperature (°C ) | -51 to +49 | |
| Storage Temperature(°C ) | -51 to +85 | |
| Relative Humidity | 5%-98% | |
| MTTF (h) | 10000 | |
| Environmental Rating | IP65/ IP67 | |
| Guarantee(yr) | 1 | |
Description of components
Eyepiece(focusing ring of eyepiece) & Rubber Eye Cap
Mounting Part
Objective Lens Focus Knob
OFF/ON/IR Swith
Light Detector(Light Sensor)
Battery Compartment
IR Illuminator
Additional supplement
Diopter is the unit of refractive power, expressed in D, which means that when parallel light passes through the refractive material, the refractive power of the refractive material is 1 diopter or 1D when the focus is 1m.
For lenses, it refers to the unit of lens focal power. For example, when the focal length of a lens is 1m, the refractive power of this lens is 1D diopter and focal length or reaction.
The unit of focal power represents the value of the ability of a lens (or lens) to deflect light.
When light is incident from one object to another material with different light density, the propagation direction of the light is deflected. This phenomenon is called refraction. The unit representing the size (refractive power) of this refractive phenomenon is diopter (abbreviated as "D"). 1D refractive power is equivalent to focusing parallel light on a focal length of 1 meter.
The function of the eye to refract light is called refraction, and the ability to refraction expressed by optical focal power is called diopter. The refractive state of the eye when it is not adjusted is called static refraction. The optical focal power of static refraction of a standard eye is +58.64D. The refractive state of the human eye when using adjustment is called dynamic refraction, and its optical power is stronger than that of static refraction. Due to incorrect refractive power of the eye, the image cannot be accurately formed on the retina, which is a visual defect. Generally, glasses need to be worn to supplement and correct the refractive power of the eye itself through the lens to achieve the purpose of correct retinal imaging.
Dioptre, or focal power, is expressed in English as "Dioptre". It is a unit for measuring the refractive power of the lens.
The length of the focal length f indicates the size of the refractive power. The shorter the focal length, the greater the refractive power. The reason for axial myopia is that the focus of the image falls in front of the retina due to the growth of the eye axis; the refractive power of hyperopia is too weak.
The reciprocal of the focal length is called the lens focal power, or diopter, and is expressed as φ. If the focal length is 10m, then φ=0.1D.
The degree of a convex lens (such as a hyperopic lens) is a positive number (+); the degree of a concave lens (such as a myopic lens) is a negative number (-).
A +3 diopter lens will focus parallel light rays 1/3 meter away from the lens.
The unit of diopter is abbreviated as D, and the unit in the International System of Units is m to the power of -1.
Generally, glasses often use degrees to express diopter. The value of diopter D multiplied by 100 is the degree [1]. For example, -1.0D is equal to 100 degrees of myopia glasses (concave lens).
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