Helmet Mounted Night Vision Device
This is a compact and lightweight low-light night vision device. The instrument uses a high-performance 2nd generation + image intensifier (can also be equipped with a 3rd generation image intensifier), with powerful advantages such as small size, light weight, ultra-large field of view, clear image without distortion, and no distortion.
Description
HAWKEEP HELMET MOUNTED NIGHT VISION DEVICE
Products Description
This is a compact and lightweight low-light night vision device. The instrument uses a high-performance 2nd generation + image intensifier (can also be equipped with a 3rd generation image intensifier), with powerful advantages such as small size, light weight, ultra-large field of view, clear image without distortion, and no distortion.
They are made of high-quality materials and are waterproof, sturdy and reliable. Whether in the dark night, in a wet or dirty environment, or when your hands are busy, the goggles can always provide you with a high-quality night vision experience.
This night vision device has proven to be a high-performance night vision device that can perform detection, rescue and observation tasks in extremely low light conditions. Other features include infrared on and low battery indicator automatic brightness control and an automatic off function that turns off within seconds when accidentally exposed to bright light, as well as an integrated infrared illuminator for use in extremely low light conditions.
This night vision device has a wide range of applications and can be used for night fishing, forest fire prevention, home security, night driving and walking, etc. It is an ideal device for outdoor night observation.
Features
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The night vision can be outfitted with high-performance Gen 2 and Gen 3 image intensifier tubes in green or white phosphor. |
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IP65 waterproof and dustproof level (upgradeable to IP67) |
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Multilayer wideband lens coating |
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Automatic brightness control |
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Helmet Flip Up On/Off |
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Supports both 1× AA battery |
Technical Parameters
| Brand | Hawkeep | |
| Model | HKP-211 | |
| 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) | 1 | |
| FOV (deg,°) | 40 | |
| Focal Length | 25 | |
| 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) | 0.25m to infinity | |
| Dimensions(mm) | 126 ×77 ×50 | |
| Weight(kg) | 0.369 | |
| Switch Style | Rotary switch | |
| Switch Position | OFF / ON / IR | |
| Power Supply (v) | 2.6-4.2 | |
| Battery Type (v) | 1 × AA battery | |
| Battery Life(h) | 60 h – 100 h | |
| Low Battery Indicator | Optional | |
| Overall Power Consumption | <0. 1W | |
| Bright Light Cut-off | Optional | |
| Automatic Brightness Control | Optional | |
| Multilayer Wideband Lens Coating | Yes | |
| Flip-Up On-Off | Yes | |
| Infrared Illuminator | Optional | |
| IR Indicator | Optional | |
| Support detachable remote infrared light | Optional | |
| Support replacing high-magnification lenses | Optional | |
| Support connecting to mobile phones/digital cameras/SLR cameras | Optional | |
| Rapid switching between left and right eyes | 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 | |
Product display
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Additional information
Focal length is a measure of the convergence or divergence of light in an optical system. It refers to the distance from the optical center of the lens to the focal point where the light converges when parallel light is incident. An optical system with a short focal length has a better ability to gather light than an optical system with a long focal length. Simply put, the focal length is the distance from the focal point to the center point of the mirror. In a camera, the focal length f < image distance < 2f in order to form an image.
Focal length, also known as focal length, is a measure of the convergence or divergence of light in an optical system. It refers to the distance from the center of the lens to the focal point where the light converges. It is also the distance from the optical center of the lens to the imaging plane of the film, CCD or CMOS in a camera. An optical system with a short focal length has a better ability to gather light than an optical system with a long focal length.
Convex lenses can form images. When convex lenses are generally used as camera lenses, the clearest image they form generally does not fall exactly on the focal point, or in other words, the distance from the clearest image to the optical center (image distance) is generally not equal to the focal length, but slightly greater than the focal length. The specific distance is related to the distance between the object being photographed and the lens (object distance). The larger the object distance, the smaller the image distance (but in fact it is always greater than the focal length).
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